China 71952c/AC/B High-Speed Angular Contact Ball Bearings 260*360*46mm P6/P5/P4/P2 Used in Machine Tool Spindles High Frequency Motors, Gas Turbines 718/719/70/72 bearing driver kit

Product Description

Angular contact ball bearings have inner and outer ring raceways that are displaced relative to each other in the direction of the bearing axis. This means that these bearings are designed to accommodate combined loads, i.e. simultaneously acting radial and axial loads.
The axial load carrying capacity of angular contact ball bearings increases as the contact angle increases. The contact angle is defined as the angle between the line joining the points of contact of the ball and the raceways in the radial plane, along which the combined load is transmitted from 1 raceway to another, and a line perpendicular to the bearing axis.

     The most commonly used designs are:

• single row angular contact ball bearings.
• double row angular contact ball bearings.
• four-point contact ball bearings.

 

production name	Angular contact ball bearing Single row ground
brand	AUTO/OEM/SEMRI
Model Number	71952C/AC/B
Dimension	260*360*46mm
Basic dynamic load rating	246 KN
Basic static load rating	351 KN
Attainable speed for grease lubrication	3500 1/min
Attainable speed for oil-air lubrication	5200 1/min
Ring Material	Gcr15/ Carbon Steel/ Stainless Steel/ Si3N4/ ZrO2
Cage Material	Steel/ Brass/ Nylon/ Custom
Precision	P6 P5 P4 P2
Vibration
Clearance	C0,C2,C3, or as requested
Quality standard	ISO9001:2000/ SGS
Quality Control Process	1.Assembly
	2.Windage test2.Windage test
	3.Cleaning
	4.Rotary test
	5.Greasing and gland
	6.Noise inspection
	7.Appearance inspection
	8.Rust prevention
	9.Product packaging
Application	low noise machine,automobile,motorcycle,and the general machinery and etc.

718 Series Angular Contact Bearings

719 Series Angular Contact Bearings

H719 Series Angular Contact Bearings

70 Series Angular Contact Bearings

H70 Series Angular Contact Bearings

B70 Series Angular Contact Bearings

72 Series Angular Contact Bearings

 

Part No.	d/mm	D/mm	B/mm	Load Rating(KN)		Limited  Speed(r/min)		Load Rating(KN)		Limited  Speed(r/min)
				Cr/KN	Cor/KN	Grease	Oil	Cr/KN	Cor/KN	Grease	Oil
718 serie				α=15°(C)				α=25°(AC)
71800	10	19	5	1.8	1.1	75000	120000	1.7	1.1	70000	110000
71801	12	21	5	2	1.4	70000	110000	1.9	1.3	63000	95000
71802	15	24	5	2.2	1.8	60000	90000	2.1	1.7	53000	80000
71803	17	26	5	2.3	1.9	53000	80000	2.1	1.8	50000	75000
71804	20	32	7	3.9	3.4	45000	67000	3.7	3.2	40000	60000
71805	25	37	7	4.2	4.1	38000	56000	3.9	3.9	34000	50000
71806	30	42	7	4.4	4.8	32000	48000	4.1	4.5	28000	43000
71807	35	47	7	4.6	5.5	26000	40000	4.3	5.2	24000	38000
71815	75	95	10	14.2	21.7	12000	19000	13.3	20.5	11000	18000
71816	80	100	10	14.5	23.1	11000	18000	13.6	21.8	9500	16000
71817	85	110	13	21.5	32.2	10000	17000	20.2	30.5	9000	15000
71818	90	115	13	21.7	33.5	9500	16000	20.4	31.6	8500	14000
71819	95	120	13	21.9	34.7	9000	15000	20.6	32.8	8500	14000
71820	100	125	13	22.5	37	8500	14000	21.2	34.9	8000	13000
71821	105	130	13	22.7	38.3	8500	14000	21.3	36.1	8000	13000
71822	110	140	16	31.8	51.6	8000	13000	29.9	48.7	7500	12000
71824	120	150	16	33.1	56.9	7000	11000	31.1	53.7	6700	10000
71826	130	165	18	38.7	67.6	6700	10000	36.3	63.8	6000	9000
71828	140	175	18	44.8	79.2	6000	9000	42	74.7	5600	8500
71830	150	190	20	51.2	92	5600	8500	48	86.8	5000	7500
71832	160	200	20	52.4	97.7	5000	7500	49.2	92.2	4800	7000
71834	170	215	22	66.5	123.4	4800	7000	62.4	116.5	4300	6300
71836	180	225	22	83.8	151.6	4800	7000	78.6	143	4300	6300
71838	190	240	24	100	179	4500	6700	94.4	169.2	4000	6000
71840	200	250	24	102.5	189.3	4300	6300	96.2	178.6	3800	5600
71844	220	270	24	106.4	209.3	3800	5600	99.8	197.4	3400	5000
71848	240	300	28	145	277	3400	5000	136	261	3000	4500
71852	260	320	28	148.8	299.3	3100	4600	139.6	282.3	2700	4100
71856	280	350	33	182	363.8	2800	4100	170.8	343.3	2400	3700

 

Part No.	d/mm	D/mm	B/mm	Load Rating(KN)		Limited  Speed(r/min)		Load Rating(KN)		Limited  Speed(r/min)
				Cr/KN	Cor/KN	Grease	Oil	Cr/KN	Cor/KN	Grease	Oil
719 serie				α=15°(C)				α=25°(AC)
71907	35	55	10	11	10.9	26000	40000	10.4	10.3	20000	34000
H71907	35	55	10	7.7	5.4	36000	53000	7.4	5.1	30000	45000
H71907/HQ1	35	55	10	7.7	5.4	40000	60000	7.4	5.1	34000	50000
71908	40	62	12	14	14.2	20000	34000	13.3	13.5	18000	30000
H71908	40	62	12	9.8	7	30000	45000	9.3	6.6	26000	40000
H71908/HQ1	40	62	12	9.8	7	34000	50000	9.3	6.6	28000	43000
71909	45	68	12	14.7	16.1	18000	30000	13.9	15.2	17000	28000
H71909	45	68	12	10.3	7.7	26000	40000	9.7	7.3	22000	36000
H71909/HQ1	45	68	12	10.3	7.7	28000	43000	9.7	7.3	26000	40000
71910	50	72	12	19	21.2	17000	28000	17.9	20.1	15000	24000
H71910		72	12	13.2	10.2	22000	36000	12.5	9.5	19000	32000
H71910/HQ1	50	72	12	13.2	10.2	26000	40000	12.5	9.5	22000	36000
71911	55	80	13	23.7	27.4	15000	24000	22.4	26	14000	22000
H71911	55	80	13	16.2	12.5	19000	32000	15.2	11.8	16000	26000
H71911/HQ1	55	80	13	16.2	12.5	22000	36000	15.2	11.8	22000	36000
71912	60	85	13	24.8	30.3	14000	22000	23.3	28.7	13000	20000
H71912	60	85	13	16.5	13.8	18000	30000	15.8	13.2	15000	24000
H71912/HQ1	60	85	13	16.5	13.8	19000	32000	15.8	13.2	20000	34000
71913	65	90	13	25.1	31.9	13000	20000	23.6	30.2	12000	19000
H71913	65	90	13	16.8	14.5	17000	28000	16.2	13.8	15000	24000
H71913/HQ1	65	90	13	16.8	14.5	19000	32000	16.2	13.8	17000	28000
71914	70	100	16	34.5	43.4	12000	19000	32.6	41.2	11000	18000
H71914	70	100	16	20.8	17.8	16000	26000	19.8	16.8	13000	20000
H71914/HQ1	70	100	16	20.8	17.8	19000	32000	19.8	16.8	17000	28000
71915	75	105	16	25	45.6	11000	18000	33	43.2	95000	16000
H71915	75	105	16	21.8	19.2	15000	24000	20.5	18.2	13000	20000
H71915/HQ1	75	105	16	21.8	19.2	17000	28000	20.5	18.2	15000	24000
71916	80	110	16	35.5	47.8	10000	17000	33.5	45.3	9000	15000
H71916	80	110	16	22.5	20.8	14000	22000	21.2	19.5	12000	19000
H71916/HQ1	80	110	16	22.5	20.8	16000	26000	21.2	19.5	14000	24000
71917		120	18	46.5	61.9	9500	16000	43.8	58.6	8500	14000
H71917	85	120	18	26.2	24.2	13000	20000	24.8	22.8	11000	18000
H71917/HQ1	85	120	18	26.2	24.2	15000	24000	24.8	22.8	13000	20000
71918	90	125	18	47.2	64.8	9000	15000	44.5	61.4	8000	13000
H71918	90	125	18	27.2	26.2	13000	20000	25.5	24.5	11000	18000
H71918/HQ1	90	125	18	27.2	26.2	15000	24000	25.5	24.5	13000	20000
71919	95	130	18	47.9	67.8	9000	15000	45.2	64.1	8000	13000
H71919	95	130	18	27.2	26.8	12000	19000	25.8	25.5	11000	18000
H71919/HQ1	95	130	18	27.2	26.8	14000	22000	25.8	25.5	13000	20000
71920	100	140	20	60.4	84.4	8500	14000	56.9	79.9	8000	13000
H71920	100	140	20	40.2	37.5	11000	18000	37.8	35.5	9000	15000
H71920/HQ1	100	140	20	40.2	37.5	13000	20000	37.8	35.5	11000	18000
71921	105	145	20	61.4	88.2	8000	13000	57.8	83.5	7500	12000
H71921	105	145	20	40.8	39.2	10000	17000	38.5	36.8	8500	14000
H71921/HQ1	105	145	20	40.8	39.2	12000	19000	38.5	36.8	10000	17000
71922	110	150	20	62.3	91.9	7500	12000	58.7	87	7000	11000
H71922	110	150	20	41.2	40.5	9000	15000	39.2	38.2	7500	12000
H71922/HQ1	110	150	20	41.2	40.5	11000	18000	39.2	38.2	9500	16000
71924	120	165	22	73.7	107.6	7000	11000	69.5	101.9	6700	10000
H71924	120	165	22	43.2	44.8	8500	14000	40.5	42.5	7500	12000
H71924/HQ1	120	165	22	43.2	44.8	10000	17000	40.8	42.5	9000	15000
71926	130	180	24	76.3	117.1	6700	10000	71.9	110.9	6000	9000
H71926	130	180	24	53.2	56.5	8000	13000	50.2	53.5	7500	12000
H71926/HQ1	130	180	24	53.2	56.5	9000	15000	50.2	53.5	8000	14000
71928	140	190	24	78.9	126.4	6000	9000	74.4	119.7	5600	8500
H71928	140	190	24	53.8	59.2	7000	11000	50.8	55.8	6700	10000
H71928/HQ1	140	190	24	53.8	59.2	8000	13000	50.8	55.8	7500	12000
71930	150	210	28	118.2	175.1	5600	8500	111.4	165.8	5000	7500
H71930	150	210	28	65.2	72.8	6700	10000	61.5	68.8	6000	9000
H71930/HQ1	150	210	28	65.2	72.8	7500	12000	61.5	68.8	7000	11000
71932	160	220	28	123.6	191.2	5000	7500	116.5	181.1	4800	7000
H71932	160	220	28	66.2	75.8	6000	9000	62.5	71.5	5600	8500
H71932/HQ1		220	28	66.2	75.8	7000	11000	62.5	71.5	6700	10000
71934	170	230	28	125.7	200	4800	7000	118.5	189.4	4300	6300
H71934	170	230	28	66.8	78.8	5600	8500	63.2	74.5	5000	7500
H71934/HQ1	170	230	28	66.8	78.8	6700	10000	63.2	74.2	6000	9000
71936	180	250	33	159.7	249.1	4500	6700	150.6	235.9	4000	6000
H71936	180	250	33	79.5	95.2	5000	7500	75.2	89.8	4800	7000
H71936/HQ1	180	250	33	79.5	95.2	6000	9000	75.2	89.8	5600	8500
71938	190	260	33	162.8	260.8	4300	6300	153.5	247	3800	5600
H71938	190	260	33	80.5	98.5	4800	7000	76.2	93.2	4300	6300
H71938/HQ1	190	260	33	80.5	98.5	5600	8500	76.2	93.2	5000	7500
71940	200	280	38	198.4	311.4	3800	5600	187.1	294.9	3600	5300
H71940	200	280	38	82.8	105.5	4500	6700	78.2	99.5	4000	6000
H71940/HQ1	200	280	38	82.8	105.5	5000	7500	78.2	99.5	4500	6700
71944	220	300	38	206.6	341.1	3600	5300	194.8	323	3200	4800
H71944	220	300	38	96.9	125.4	4300	6300	91.5	118.4	3800	5600
H71944/HQ1	220	300	38	96.9	125.4	5000	7500	91.5	118.4	4300	6300
71948	240	320	38	219.2	384.2	3200	4800	206.7	363.8	3000	4500
H71948	240	320	38	153	216	3900	5800	146	200	3500	5200
H71948/HQ1	240	320	38	153	216	4500	6500	146	200	4000	5800
71952	260	360	46	284.6	528.8	3000	4500	268.3	500.8	2600	4000
71956	280	380	46	288.7	554.6	2600	4000	272.2	525.5	2200	3600

 

 

 

HangZhou Auto Bearing Co., Ltd. is located in the industrial park of HangZhou,which is 1 of the 4 great ancient capitals of China.Our company is the member of China Bearing Industry Association,cooperating with State Quality Supervision and Testing Center for bearing.Our company is a professional bearing manufacturer which integrated with research ,development and marketing services.

Our major products include deep groove ball bearing, spherical roller bearing, slewing ring, crossed roller bearing and other all kinds of high precision bearings.Our products are widely applied to motor industry,mining metallurgy,wind power generation,petroleum drilling,automobile and motorcycle etc..
Our company not only possesses advanced bearing manufacturing equipments and international first-class measuring instruments, but also has strong strength of manufacturing, inspecting and testing the high precision and reliability bearings.Each process is in strict accordance with the ISO9001 quality management system,which effectively guarantees the precise of products and stability of the performance. AUTO bearings are mainly exported to the United states,South Korea,Europe,etc., which have reached the high level of foreign similar products.
The soul of our business culture is [Detail makes competitive, innovation makes first-class”.We believe the production and management philosophy of [quality wins ,casting competitive products”.The company adheres to the zero-defect quality management for meeting customer requirements.

Packing

A. plastic box & outer carton & pallets
B. plastic bag & box & carton & pallet
C. tube package & middle box & carton & pallet
D. Depends on your needs

Delivery

A. Most orders will be shipped within 3-5 days of payment being received.
B. Samples will be shipped by cov2urier as FedEx,UPS,DHL,etc.

Thank you very much for taking time to view our company’s website. If you are interested in this product, please feel free to contact us. We are always here.

US $1 / Piece |

2 Pieces (Min. Order)

###

Rolling Body:	Ball Bearings
The Number of Rows:	Single
Outer Dimension:	Micro(≤26mm)
Material:	Bearing Steel
Spherical:	Non-Aligning Bearings
Load Direction:	Axial Bearing

###

production name	Angular contact ball bearing Single row ground
brand	AUTO/OEM/SEMRI
Model Number	71952C/AC/B
Dimension	260*360*46mm
Basic dynamic load rating	246 KN
Basic static load rating	351 KN
Attainable speed for grease lubrication	3500 1/min
Attainable speed for oil-air lubrication	5200 1/min
Ring Material	Gcr15/ Carbon Steel/ Stainless Steel/ Si3N4/ ZrO2
Cage Material	Steel/ Brass/ Nylon/ Custom
Precision	P6 P5 P4 P2
Vibration
Clearance	C0,C2,C3, or as requested
Quality standard	ISO9001:2000/ SGS
Quality Control Process	1.Assembly
	2.Windage test2.Windage test
	3.Cleaning
	4.Rotary test
	5.Greasing and gland
	6.Noise inspection
	7.Appearance inspection
	8.Rust prevention
	9.Product packaging
Application	low noise machine,automobile,motorcycle,and the general machinery and etc.

###

718 Series Angular Contact Bearings

719 Series Angular Contact Bearings

H719 Series Angular Contact Bearings

70 Series Angular Contact Bearings

H70 Series Angular Contact Bearings

B70 Series Angular Contact Bearings

72 Series Angular Contact Bearings

###

Part No.	d/mm	D/mm	B/mm	Load Rating(KN)		Limited  Speed(r/min)		Load Rating(KN)		Limited  Speed(r/min)
				Cr/KN	Cor/KN	Grease	Oil	Cr/KN	Cor/KN	Grease	Oil
718 serie				α=15°(C)				α=25°(AC)
71800	10	19	5	1.8	1.1	75000	120000	1.7	1.1	70000	110000
71801	12	21	5	2	1.4	70000	110000	1.9	1.3	63000	95000
71802	15	24	5	2.2	1.8	60000	90000	2.1	1.7	53000	80000
71803	17	26	5	2.3	1.9	53000	80000	2.1	1.8	50000	75000
71804	20	32	7	3.9	3.4	45000	67000	3.7	3.2	40000	60000
71805	25	37	7	4.2	4.1	38000	56000	3.9	3.9	34000	50000
71806	30	42	7	4.4	4.8	32000	48000	4.1	4.5	28000	43000
71807	35	47	7	4.6	5.5	26000	40000	4.3	5.2	24000	38000
71815	75	95	10	14.2	21.7	12000	19000	13.3	20.5	11000	18000
71816	80	100	10	14.5	23.1	11000	18000	13.6	21.8	9500	16000
71817	85	110	13	21.5	32.2	10000	17000	20.2	30.5	9000	15000
71818	90	115	13	21.7	33.5	9500	16000	20.4	31.6	8500	14000
71819	95	120	13	21.9	34.7	9000	15000	20.6	32.8	8500	14000
71820	100	125	13	22.5	37	8500	14000	21.2	34.9	8000	13000
71821	105	130	13	22.7	38.3	8500	14000	21.3	36.1	8000	13000
71822	110	140	16	31.8	51.6	8000	13000	29.9	48.7	7500	12000
71824	120	150	16	33.1	56.9	7000	11000	31.1	53.7	6700	10000
71826	130	165	18	38.7	67.6	6700	10000	36.3	63.8	6000	9000
71828	140	175	18	44.8	79.2	6000	9000	42	74.7	5600	8500
71830	150	190	20	51.2	92	5600	8500	48	86.8	5000	7500
71832	160	200	20	52.4	97.7	5000	7500	49.2	92.2	4800	7000
71834	170	215	22	66.5	123.4	4800	7000	62.4	116.5	4300	6300
71836	180	225	22	83.8	151.6	4800	7000	78.6	143	4300	6300
71838	190	240	24	100	179	4500	6700	94.4	169.2	4000	6000
71840	200	250	24	102.5	189.3	4300	6300	96.2	178.6	3800	5600
71844	220	270	24	106.4	209.3	3800	5600	99.8	197.4	3400	5000
71848	240	300	28	145	277	3400	5000	136	261	3000	4500
71852	260	320	28	148.8	299.3	3100	4600	139.6	282.3	2700	4100
71856	280	350	33	182	363.8	2800	4100	170.8	343.3	2400	3700

###

Part No.	d/mm	D/mm	B/mm	Load Rating(KN)		Limited  Speed(r/min)		Load Rating(KN)		Limited  Speed(r/min)
				Cr/KN	Cor/KN	Grease	Oil	Cr/KN	Cor/KN	Grease	Oil
719 serie				α=15°(C)				α=25°(AC)
71907	35	55	10	11	10.9	26000	40000	10.4	10.3	20000	34000
H71907	35	55	10	7.7	5.4	36000	53000	7.4	5.1	30000	45000
H71907/HQ1	35	55	10	7.7	5.4	40000	60000	7.4	5.1	34000	50000
71908	40	62	12	14	14.2	20000	34000	13.3	13.5	18000	30000
H71908	40	62	12	9.8	7	30000	45000	9.3	6.6	26000	40000
H71908/HQ1	40	62	12	9.8	7	34000	50000	9.3	6.6	28000	43000
71909	45	68	12	14.7	16.1	18000	30000	13.9	15.2	17000	28000
H71909	45	68	12	10.3	7.7	26000	40000	9.7	7.3	22000	36000
H71909/HQ1	45	68	12	10.3	7.7	28000	43000	9.7	7.3	26000	40000
71910	50	72	12	19	21.2	17000	28000	17.9	20.1	15000	24000
H71910		72	12	13.2	10.2	22000	36000	12.5	9.5	19000	32000
H71910/HQ1	50	72	12	13.2	10.2	26000	40000	12.5	9.5	22000	36000
71911	55	80	13	23.7	27.4	15000	24000	22.4	26	14000	22000
H71911	55	80	13	16.2	12.5	19000	32000	15.2	11.8	16000	26000
H71911/HQ1	55	80	13	16.2	12.5	22000	36000	15.2	11.8	22000	36000
71912	60	85	13	24.8	30.3	14000	22000	23.3	28.7	13000	20000
H71912	60	85	13	16.5	13.8	18000	30000	15.8	13.2	15000	24000
H71912/HQ1	60	85	13	16.5	13.8	19000	32000	15.8	13.2	20000	34000
71913	65	90	13	25.1	31.9	13000	20000	23.6	30.2	12000	19000
H71913	65	90	13	16.8	14.5	17000	28000	16.2	13.8	15000	24000
H71913/HQ1	65	90	13	16.8	14.5	19000	32000	16.2	13.8	17000	28000
71914	70	100	16	34.5	43.4	12000	19000	32.6	41.2	11000	18000
H71914	70	100	16	20.8	17.8	16000	26000	19.8	16.8	13000	20000
H71914/HQ1	70	100	16	20.8	17.8	19000	32000	19.8	16.8	17000	28000
71915	75	105	16	25	45.6	11000	18000	33	43.2	95000	16000
H71915	75	105	16	21.8	19.2	15000	24000	20.5	18.2	13000	20000
H71915/HQ1	75	105	16	21.8	19.2	17000	28000	20.5	18.2	15000	24000
71916	80	110	16	35.5	47.8	10000	17000	33.5	45.3	9000	15000
H71916	80	110	16	22.5	20.8	14000	22000	21.2	19.5	12000	19000
H71916/HQ1	80	110	16	22.5	20.8	16000	26000	21.2	19.5	14000	24000
71917		120	18	46.5	61.9	9500	16000	43.8	58.6	8500	14000
H71917	85	120	18	26.2	24.2	13000	20000	24.8	22.8	11000	18000
H71917/HQ1	85	120	18	26.2	24.2	15000	24000	24.8	22.8	13000	20000
71918	90	125	18	47.2	64.8	9000	15000	44.5	61.4	8000	13000
H71918	90	125	18	27.2	26.2	13000	20000	25.5	24.5	11000	18000
H71918/HQ1	90	125	18	27.2	26.2	15000	24000	25.5	24.5	13000	20000
71919	95	130	18	47.9	67.8	9000	15000	45.2	64.1	8000	13000
H71919	95	130	18	27.2	26.8	12000	19000	25.8	25.5	11000	18000
H71919/HQ1	95	130	18	27.2	26.8	14000	22000	25.8	25.5	13000	20000
71920	100	140	20	60.4	84.4	8500	14000	56.9	79.9	8000	13000
H71920	100	140	20	40.2	37.5	11000	18000	37.8	35.5	9000	15000
H71920/HQ1	100	140	20	40.2	37.5	13000	20000	37.8	35.5	11000	18000
71921	105	145	20	61.4	88.2	8000	13000	57.8	83.5	7500	12000
H71921	105	145	20	40.8	39.2	10000	17000	38.5	36.8	8500	14000
H71921/HQ1	105	145	20	40.8	39.2	12000	19000	38.5	36.8	10000	17000
71922	110	150	20	62.3	91.9	7500	12000	58.7	87	7000	11000
H71922	110	150	20	41.2	40.5	9000	15000	39.2	38.2	7500	12000
H71922/HQ1	110	150	20	41.2	40.5	11000	18000	39.2	38.2	9500	16000
71924	120	165	22	73.7	107.6	7000	11000	69.5	101.9	6700	10000
H71924	120	165	22	43.2	44.8	8500	14000	40.5	42.5	7500	12000
H71924/HQ1	120	165	22	43.2	44.8	10000	17000	40.8	42.5	9000	15000
71926	130	180	24	76.3	117.1	6700	10000	71.9	110.9	6000	9000
H71926	130	180	24	53.2	56.5	8000	13000	50.2	53.5	7500	12000
H71926/HQ1	130	180	24	53.2	56.5	9000	15000	50.2	53.5	8000	14000
71928	140	190	24	78.9	126.4	6000	9000	74.4	119.7	5600	8500
H71928	140	190	24	53.8	59.2	7000	11000	50.8	55.8	6700	10000
H71928/HQ1	140	190	24	53.8	59.2	8000	13000	50.8	55.8	7500	12000
71930	150	210	28	118.2	175.1	5600	8500	111.4	165.8	5000	7500
H71930	150	210	28	65.2	72.8	6700	10000	61.5	68.8	6000	9000
H71930/HQ1	150	210	28	65.2	72.8	7500	12000	61.5	68.8	7000	11000
71932	160	220	28	123.6	191.2	5000	7500	116.5	181.1	4800	7000
H71932	160	220	28	66.2	75.8	6000	9000	62.5	71.5	5600	8500
H71932/HQ1		220	28	66.2	75.8	7000	11000	62.5	71.5	6700	10000
71934	170	230	28	125.7	200	4800	7000	118.5	189.4	4300	6300
H71934	170	230	28	66.8	78.8	5600	8500	63.2	74.5	5000	7500
H71934/HQ1	170	230	28	66.8	78.8	6700	10000	63.2	74.2	6000	9000
71936	180	250	33	159.7	249.1	4500	6700	150.6	235.9	4000	6000
H71936	180	250	33	79.5	95.2	5000	7500	75.2	89.8	4800	7000
H71936/HQ1	180	250	33	79.5	95.2	6000	9000	75.2	89.8	5600	8500
71938	190	260	33	162.8	260.8	4300	6300	153.5	247	3800	5600
H71938	190	260	33	80.5	98.5	4800	7000	76.2	93.2	4300	6300
H71938/HQ1	190	260	33	80.5	98.5	5600	8500	76.2	93.2	5000	7500
71940	200	280	38	198.4	311.4	3800	5600	187.1	294.9	3600	5300
H71940	200	280	38	82.8	105.5	4500	6700	78.2	99.5	4000	6000
H71940/HQ1	200	280	38	82.8	105.5	5000	7500	78.2	99.5	4500	6700
71944	220	300	38	206.6	341.1	3600	5300	194.8	323	3200	4800
H71944	220	300	38	96.9	125.4	4300	6300	91.5	118.4	3800	5600
H71944/HQ1	220	300	38	96.9	125.4	5000	7500	91.5	118.4	4300	6300
71948	240	320	38	219.2	384.2	3200	4800	206.7	363.8	3000	4500
H71948	240	320	38	153	216	3900	5800	146	200	3500	5200
H71948/HQ1	240	320	38	153	216	4500	6500	146	200	4000	5800
71952	260	360	46	284.6	528.8	3000	4500	268.3	500.8	2600	4000
71956	280	380	46	288.7	554.6	2600	4000	272.2	525.5	2200	3600

US $1 / Piece |

2 Pieces (Min. Order)

###

Rolling Body:	Ball Bearings
The Number of Rows:	Single
Outer Dimension:	Micro(≤26mm)
Material:	Bearing Steel
Spherical:	Non-Aligning Bearings
Load Direction:	Axial Bearing

###

production name	Angular contact ball bearing Single row ground
brand	AUTO/OEM/SEMRI
Model Number	71952C/AC/B
Dimension	260*360*46mm
Basic dynamic load rating	246 KN
Basic static load rating	351 KN
Attainable speed for grease lubrication	3500 1/min
Attainable speed for oil-air lubrication	5200 1/min
Ring Material	Gcr15/ Carbon Steel/ Stainless Steel/ Si3N4/ ZrO2
Cage Material	Steel/ Brass/ Nylon/ Custom
Precision	P6 P5 P4 P2
Vibration
Clearance	C0,C2,C3, or as requested
Quality standard	ISO9001:2000/ SGS
Quality Control Process	1.Assembly
	2.Windage test2.Windage test
	3.Cleaning
	4.Rotary test
	5.Greasing and gland
	6.Noise inspection
	7.Appearance inspection
	8.Rust prevention
	9.Product packaging
Application	low noise machine,automobile,motorcycle,and the general machinery and etc.

###

718 Series Angular Contact Bearings

719 Series Angular Contact Bearings

H719 Series Angular Contact Bearings

70 Series Angular Contact Bearings

H70 Series Angular Contact Bearings

B70 Series Angular Contact Bearings

72 Series Angular Contact Bearings

###

Part No.	d/mm	D/mm	B/mm	Load Rating(KN)		Limited  Speed(r/min)		Load Rating(KN)		Limited  Speed(r/min)
				Cr/KN	Cor/KN	Grease	Oil	Cr/KN	Cor/KN	Grease	Oil
718 serie				α=15°(C)				α=25°(AC)
71800	10	19	5	1.8	1.1	75000	120000	1.7	1.1	70000	110000
71801	12	21	5	2	1.4	70000	110000	1.9	1.3	63000	95000
71802	15	24	5	2.2	1.8	60000	90000	2.1	1.7	53000	80000
71803	17	26	5	2.3	1.9	53000	80000	2.1	1.8	50000	75000
71804	20	32	7	3.9	3.4	45000	67000	3.7	3.2	40000	60000
71805	25	37	7	4.2	4.1	38000	56000	3.9	3.9	34000	50000
71806	30	42	7	4.4	4.8	32000	48000	4.1	4.5	28000	43000
71807	35	47	7	4.6	5.5	26000	40000	4.3	5.2	24000	38000
71815	75	95	10	14.2	21.7	12000	19000	13.3	20.5	11000	18000
71816	80	100	10	14.5	23.1	11000	18000	13.6	21.8	9500	16000
71817	85	110	13	21.5	32.2	10000	17000	20.2	30.5	9000	15000
71818	90	115	13	21.7	33.5	9500	16000	20.4	31.6	8500	14000
71819	95	120	13	21.9	34.7	9000	15000	20.6	32.8	8500	14000
71820	100	125	13	22.5	37	8500	14000	21.2	34.9	8000	13000
71821	105	130	13	22.7	38.3	8500	14000	21.3	36.1	8000	13000
71822	110	140	16	31.8	51.6	8000	13000	29.9	48.7	7500	12000
71824	120	150	16	33.1	56.9	7000	11000	31.1	53.7	6700	10000
71826	130	165	18	38.7	67.6	6700	10000	36.3	63.8	6000	9000
71828	140	175	18	44.8	79.2	6000	9000	42	74.7	5600	8500
71830	150	190	20	51.2	92	5600	8500	48	86.8	5000	7500
71832	160	200	20	52.4	97.7	5000	7500	49.2	92.2	4800	7000
71834	170	215	22	66.5	123.4	4800	7000	62.4	116.5	4300	6300
71836	180	225	22	83.8	151.6	4800	7000	78.6	143	4300	6300
71838	190	240	24	100	179	4500	6700	94.4	169.2	4000	6000
71840	200	250	24	102.5	189.3	4300	6300	96.2	178.6	3800	5600
71844	220	270	24	106.4	209.3	3800	5600	99.8	197.4	3400	5000
71848	240	300	28	145	277	3400	5000	136	261	3000	4500
71852	260	320	28	148.8	299.3	3100	4600	139.6	282.3	2700	4100
71856	280	350	33	182	363.8	2800	4100	170.8	343.3	2400	3700

###

Part No.	d/mm	D/mm	B/mm	Load Rating(KN)		Limited  Speed(r/min)		Load Rating(KN)		Limited  Speed(r/min)
				Cr/KN	Cor/KN	Grease	Oil	Cr/KN	Cor/KN	Grease	Oil
719 serie				α=15°(C)				α=25°(AC)
71907	35	55	10	11	10.9	26000	40000	10.4	10.3	20000	34000
H71907	35	55	10	7.7	5.4	36000	53000	7.4	5.1	30000	45000
H71907/HQ1	35	55	10	7.7	5.4	40000	60000	7.4	5.1	34000	50000
71908	40	62	12	14	14.2	20000	34000	13.3	13.5	18000	30000
H71908	40	62	12	9.8	7	30000	45000	9.3	6.6	26000	40000
H71908/HQ1	40	62	12	9.8	7	34000	50000	9.3	6.6	28000	43000
71909	45	68	12	14.7	16.1	18000	30000	13.9	15.2	17000	28000
H71909	45	68	12	10.3	7.7	26000	40000	9.7	7.3	22000	36000
H71909/HQ1	45	68	12	10.3	7.7	28000	43000	9.7	7.3	26000	40000
71910	50	72	12	19	21.2	17000	28000	17.9	20.1	15000	24000
H71910		72	12	13.2	10.2	22000	36000	12.5	9.5	19000	32000
H71910/HQ1	50	72	12	13.2	10.2	26000	40000	12.5	9.5	22000	36000
71911	55	80	13	23.7	27.4	15000	24000	22.4	26	14000	22000
H71911	55	80	13	16.2	12.5	19000	32000	15.2	11.8	16000	26000
H71911/HQ1	55	80	13	16.2	12.5	22000	36000	15.2	11.8	22000	36000
71912	60	85	13	24.8	30.3	14000	22000	23.3	28.7	13000	20000
H71912	60	85	13	16.5	13.8	18000	30000	15.8	13.2	15000	24000
H71912/HQ1	60	85	13	16.5	13.8	19000	32000	15.8	13.2	20000	34000
71913	65	90	13	25.1	31.9	13000	20000	23.6	30.2	12000	19000
H71913	65	90	13	16.8	14.5	17000	28000	16.2	13.8	15000	24000
H71913/HQ1	65	90	13	16.8	14.5	19000	32000	16.2	13.8	17000	28000
71914	70	100	16	34.5	43.4	12000	19000	32.6	41.2	11000	18000
H71914	70	100	16	20.8	17.8	16000	26000	19.8	16.8	13000	20000
H71914/HQ1	70	100	16	20.8	17.8	19000	32000	19.8	16.8	17000	28000
71915	75	105	16	25	45.6	11000	18000	33	43.2	95000	16000
H71915	75	105	16	21.8	19.2	15000	24000	20.5	18.2	13000	20000
H71915/HQ1	75	105	16	21.8	19.2	17000	28000	20.5	18.2	15000	24000
71916	80	110	16	35.5	47.8	10000	17000	33.5	45.3	9000	15000
H71916	80	110	16	22.5	20.8	14000	22000	21.2	19.5	12000	19000
H71916/HQ1	80	110	16	22.5	20.8	16000	26000	21.2	19.5	14000	24000
71917		120	18	46.5	61.9	9500	16000	43.8	58.6	8500	14000
H71917	85	120	18	26.2	24.2	13000	20000	24.8	22.8	11000	18000
H71917/HQ1	85	120	18	26.2	24.2	15000	24000	24.8	22.8	13000	20000
71918	90	125	18	47.2	64.8	9000	15000	44.5	61.4	8000	13000
H71918	90	125	18	27.2	26.2	13000	20000	25.5	24.5	11000	18000
H71918/HQ1	90	125	18	27.2	26.2	15000	24000	25.5	24.5	13000	20000
71919	95	130	18	47.9	67.8	9000	15000	45.2	64.1	8000	13000
H71919	95	130	18	27.2	26.8	12000	19000	25.8	25.5	11000	18000
H71919/HQ1	95	130	18	27.2	26.8	14000	22000	25.8	25.5	13000	20000
71920	100	140	20	60.4	84.4	8500	14000	56.9	79.9	8000	13000
H71920	100	140	20	40.2	37.5	11000	18000	37.8	35.5	9000	15000
H71920/HQ1	100	140	20	40.2	37.5	13000	20000	37.8	35.5	11000	18000
71921	105	145	20	61.4	88.2	8000	13000	57.8	83.5	7500	12000
H71921	105	145	20	40.8	39.2	10000	17000	38.5	36.8	8500	14000
H71921/HQ1	105	145	20	40.8	39.2	12000	19000	38.5	36.8	10000	17000
71922	110	150	20	62.3	91.9	7500	12000	58.7	87	7000	11000
H71922	110	150	20	41.2	40.5	9000	15000	39.2	38.2	7500	12000
H71922/HQ1	110	150	20	41.2	40.5	11000	18000	39.2	38.2	9500	16000
71924	120	165	22	73.7	107.6	7000	11000	69.5	101.9	6700	10000
H71924	120	165	22	43.2	44.8	8500	14000	40.5	42.5	7500	12000
H71924/HQ1	120	165	22	43.2	44.8	10000	17000	40.8	42.5	9000	15000
71926	130	180	24	76.3	117.1	6700	10000	71.9	110.9	6000	9000
H71926	130	180	24	53.2	56.5	8000	13000	50.2	53.5	7500	12000
H71926/HQ1	130	180	24	53.2	56.5	9000	15000	50.2	53.5	8000	14000
71928	140	190	24	78.9	126.4	6000	9000	74.4	119.7	5600	8500
H71928	140	190	24	53.8	59.2	7000	11000	50.8	55.8	6700	10000
H71928/HQ1	140	190	24	53.8	59.2	8000	13000	50.8	55.8	7500	12000
71930	150	210	28	118.2	175.1	5600	8500	111.4	165.8	5000	7500
H71930	150	210	28	65.2	72.8	6700	10000	61.5	68.8	6000	9000
H71930/HQ1	150	210	28	65.2	72.8	7500	12000	61.5	68.8	7000	11000
71932	160	220	28	123.6	191.2	5000	7500	116.5	181.1	4800	7000
H71932	160	220	28	66.2	75.8	6000	9000	62.5	71.5	5600	8500
H71932/HQ1		220	28	66.2	75.8	7000	11000	62.5	71.5	6700	10000
71934	170	230	28	125.7	200	4800	7000	118.5	189.4	4300	6300
H71934	170	230	28	66.8	78.8	5600	8500	63.2	74.5	5000	7500
H71934/HQ1	170	230	28	66.8	78.8	6700	10000	63.2	74.2	6000	9000
71936	180	250	33	159.7	249.1	4500	6700	150.6	235.9	4000	6000
H71936	180	250	33	79.5	95.2	5000	7500	75.2	89.8	4800	7000
H71936/HQ1	180	250	33	79.5	95.2	6000	9000	75.2	89.8	5600	8500
71938	190	260	33	162.8	260.8	4300	6300	153.5	247	3800	5600
H71938	190	260	33	80.5	98.5	4800	7000	76.2	93.2	4300	6300
H71938/HQ1	190	260	33	80.5	98.5	5600	8500	76.2	93.2	5000	7500
71940	200	280	38	198.4	311.4	3800	5600	187.1	294.9	3600	5300
H71940	200	280	38	82.8	105.5	4500	6700	78.2	99.5	4000	6000
H71940/HQ1	200	280	38	82.8	105.5	5000	7500	78.2	99.5	4500	6700
71944	220	300	38	206.6	341.1	3600	5300	194.8	323	3200	4800
H71944	220	300	38	96.9	125.4	4300	6300	91.5	118.4	3800	5600
H71944/HQ1	220	300	38	96.9	125.4	5000	7500	91.5	118.4	4300	6300
71948	240	320	38	219.2	384.2	3200	4800	206.7	363.8	3000	4500
H71948	240	320	38	153	216	3900	5800	146	200	3500	5200
H71948/HQ1	240	320	38	153	216	4500	6500	146	200	4000	5800
71952	260	360	46	284.6	528.8	3000	4500	268.3	500.8	2600	4000
71956	280	380	46	288.7	554.6	2600	4000	272.2	525.5	2200	3600

Types of Ball Bearings

There are many types of Ball Bearings available on the market, but which one is best for your application? Here, we will discuss the differences between Angular contact, Single-row, High-carbon steel, and Ceramic ball bearings. These types of bearings also feature races, or a groove in the center of each. These races are important in keeping the balls contained within the cylinder. They also provide a groove-baed pathway.

Ceramic

The ceramic ball used in ball bearings has many advantages. It is lightweight, operates at lower temperatures, has reduced skidding, and is resistant to electrolysis. The ball also exhibits longer fatigue life. All of these factors make the ceramic ball a good choice for many applications. But, how do you know if a ceramic ball bearing is right for your application? Read on to discover why ceramic ball bearings are a better choice than steel or stainless steel ones.
The ceramic balls are 40% more dense than steel. This means less centrifugal force is generated on the bearing, which suppresses heat generation. Because of this reduced friction, ceramic bearings are more efficient at transferring energy. Compared to steel bearings, ceramic balls have longer life spans. Nonetheless, these ceramic balls aren’t as strong as steel. Therefore, it is important to understand the limitations of the ceramic ball bearing before buying one.
The ceramic materials used for ball bearings are resistant to micro-welding. Metals undergo this process when imperfections in the surfaces interact. Eventually, this results in a brittle ball that reduces the life of a bearing. Unlike metals, ceramic materials have a stable behavior at high temperatures and exhibit less thermal expansion. This means that they can be used for applications where lubrication isn’t an option.
While steel balls can easily absorb contaminants and foreign particles, the ceramic ball is insensitive to this, and doesn’t require lubrication. This means they’re not susceptible to corrosion and other common problems. These are just a few reasons why ceramics are a better choice. This technology has a wide range of uses. It’s easy to see why it is so popular. If you’re looking for a new bearing for your application, be sure to contact an AST Applications Engineer. They can analyze your operating conditions and potential failure modes.

Angular contact

An Angular Contact Ball Bearing (also known as an angular-contact bearing) has an axial component that is generated when radial loads are applied. They are generally used in pairs, triplex sets, or quadruplex sets. These bearings are also available with Super Finished Raceways to reduce noise and improve lubricant distribution. Angular contact ball bearings have various design units, such as bore size, outer diameter, and outer ring width.
A single-row angular contact bearing has a radial contact angle that is equal to the angular distance between the two rings. Double-row angular bearings are designed for two-way thrust capability. These types of bearings can be purchased at Grainger and other online retailers. A typical angular contact bearing will last up to a million revolutions. They are often used in industrial angular contact bearings.
Single-row angular contact ball bearings feature a set contact angle. These bearings can support radial and axial loads, but they can’t withstand high speeds. Single-row angular contact ball bearings may also have one or two shoulders relieved. Thrust load is a pressure placed on the bearing when it is installed in an assembly, and it is used to create an angle between the races.
Angular contact ball bearings come in single and double-row configurations. They differ in the axial load they can carry and the type of lubrication they use. Angular contact ball bearings are ideal for high-speed applications and can accommodate both radial and axial loads. The type of contact and lubrication used in angular-contact ball bearings depends on the intended use for the bearing.

High-carbon steel

Carbon steel is a low-alloy and high-carbon steel used in bearings. This material provides superior strength and fatigue properties for ball and roller bearings. Its mechanical properties are ideal for applications where the temperature is less than 400 degrees Fahrenheit. High-carbon steel is also used to make bearing components for chrome steel bearings. These types of steels are softer than chrome steel but provide superior durability in applications where the material is exposed to severe conditions.
Hardened carbon steel balls with an AISI 1015 hardness index are used in a variety of automotive, commercial, and semi-precision applications. In addition to automotive applications, they are also used in slides, trolleys, and conveyors. AISI 1015 carbon steel balls are used in bearings. They can be purchased in a variety of weights and diameters. Carbon steel balls can also be purchased in nickel-plated or uncoated varieties for decorative purposes.
In order to determine whether a ball bearing is made of high-carbon steel, the material must be tested for its hardness. An ordinary pocket magnet will work well, but an ordinary rare earth magnet isn’t powerful enough to measure the hardness. If it attracts the magnet strongly, the metal is steel, while a weak magnet indicates a non-ferrous material. A hardness test requires a special microhardness test.
A lower-carbon steel is another option. Some miniature bearing manufacturers use a material with less carbon than AISI 440C. This material is also known as KS440 or X65Cr13. After being heat-treated, it develops smaller carbides, resulting in superior low-noise characteristics and the same corrosion-resistance as 440C. These materials are a less expensive alternative than chrome steel, but they are often less durable than chrome alloy steel.

Single-row

Single-row angular contact ball bearings accommodate axial loads in one direction. These are normally adjusted against a second bearing. Unlike other ball bearings, they are non-separable and contain an upper and lower shoulder. Single-row ball bearings are made of Chromium Steel (GCr15) which is heat-treated to achieve high uniform hardness and excellent wear resistance. They are the most commonly used type of bearings in the world.
Because of the angular contact between the radial plane and the raceway, single-row ball bearings transmit radial forces from raceway to raceway. A higher a, the greater the axial load carrying capacity of the bearing. Single-row angular contact ball bearings are ideal for high axial loads. However, they have limited preload capabilities and must be installed in pairs. Hence, they are best used for applications where axial forces must be distributed.
Single-row ball bearings can be pre-lubricated and have steel shields. They are also available with rubber seals or snap rings on the outside edge. They are available with various retainers, including pressed steel cages, plastic shields, and rubber seals. A tapered bore is also available upon request. They are ideal for applications where space is limited. The 6200 series of bearings are especially well suited for electrical motors, dental hand tools, and optical encoders.
Single-row angular contact ball bearings are widely used for axial loads. The outer and inner rings have slightly larger radii than the balls. These bearings can accommodate high speeds and low torque. They can also be supplied with different grease levels. If grease is needed, you can choose a lubricant that has different characteristics depending on the application. They are easy to install and maintain. However, they are not recommended for adjacent mounting.

Plastic

A plastic ball bearing is a highly versatile component that can be mounted in a variety of components, including wheels, pulleys and housings. The outer ring of a plastic bearing is usually the pulley profile. The inner ring can be made of a shaft or polymer. The integrated design of a plastic ball bearing helps to reduce assembly time and cost. Here are some of the benefits of this type of bearing:
First and foremost, plastic balls are lighter than metal balls. They also have less magnetic properties than steel balls, making them the best option for applications requiring low weight and noise. Glass balls are also lighter than stainless steel balls, making them the ideal metal-free choice. They are also very corrosion-resistant, which makes them a great choice for some applications. In addition to being lightweight, polymer ball bearings are also quiet. And because of their low weight, plastic ball bearings are ideal for applications that require fast speed.
Another advantage of plastic bearings is their ability to withstand high temperatures. This material is also abrasion and corrosion-resistant. It meets FDA and USDA acceptance requirements. Aside from its abrasion-resistant and corrosion-resistant properties, these plastics do not transfer heat. Aside from being extremely durable and flexible, most plastics are also self-lubricating. Common plastics include phenolics, acetals, nylon, and ultra high molecular weight polyethylene. Nonetheless, plastics have limitations, and these materials may be damaged by extreme temperatures or cold flow under heavy loads.
Other advantages of plastic ball bearings include their low density, high hardness and low friction coefficient, and ability to withstand heat and corrosion. Ceramics are also lightweight, non-conductive, and have superior resistance to friction. These products can withstand temperatures up to 1,800 degrees Fahrenheit. If you’re in the market for a plastic ball bearing, it’s important to choose the right type of material. And if you’re looking for a high-quality bearing, look no further.

editor by czh 2022-11-24