Product Description

Name Angular contact ball bearing
Seires BER 19XESeries
Brand MONTON
Model 70BNR19XE
Contact Angle 15°/25°/40°30BNR19S
d 70mm
D 100mm
B 16mm
Ring Material Gcr15/ Carbon Steel/ Stainless Steel/ Si3N4/ ZrO2
Cage Material Nylon/phenolic resin
Load rating  C 21.3kN
Load rating  Co 18.1kN
Grease speed 38900
Sealed as customer requested
Weight 0.328KG
Bearing Arrangement U/DB/DT/TBT/QBC/DU/QU ect.
Design Structure Angular contact
Precision P4,P5 or as customer requested
Vibration ZV1, ZV2, ZV3, or  as customer requested
Clearance C0, C2, C3, or  as customer requested
Quality standard ISO9001: 2000/SGS
Package single box
Original HangZhou
Service OEM
Delivery date Accordingly
Application Spindle,Auto, tractor ,machine tool, electric machine, water pump, agricultural machinery and textile machinery,air compressor,shippiing.logistic,areospace

Designations Principal dimensions Basic load ratings  Speed ratings Mass
Universally
matchable
bearing
d D B dynamic static Reference
speed
Limiting
speed
Kg
mm mm mm C  kN Co kN r/min r/min
7200BECBP 10 30 9 7,02 3,35 30 000 30 000 0,03
7201BECBP 12 32 10 7,61 3,8 26 000 26 000 0,036
12 37 12 10,6 5 24 000 24 000 0,06
7202BECBP 15 35 11 8,8 4,65 26 000 26 000 0,045
15 35 11 8,32 4,4 24 000 24 000 0,045
7302BECBP 15 42 13 13 6,7 20 000 20 000 0,08
7203BECBM 15 40 12 11 5,85 22 000 22 000 0,065
7203BECBP 15 40 12 11 5,85 22 000 22 000 0,065
15 40 12 10,4 5,5 20 000 20 000 0,065
15 40 12 11,1 6,1 20 000 20 000 0,065
7303BECBP 15 47 14 15,9 8,3 19 000 19 000 0,11
7204BECBM 20 47 14 14,3 8,15 19 000 19 000 0,11
7204BECBP 20 47 14 14,3 8,15 19 000 19 000 0,11
7204BECBY 20 47 14 14 8,3 18 000 18 000 0,11
20 47 14 13,3 7,65 18 000 18 000 0,11
7204BECBPH 20 47 14 14,3 8,15 19 000 19 000 0,11
7304BECBPH 20 52 15 19 10 18 000 18 000 0,14
7304BECBM 20 52 15 19 10 18 000 18 000 0,14
7304BECBP 20 52 15 19 10 18 000 18 000 0,14
7304BECBY 20 52 15 19 10,4 16 000 16 000 0,14
20 52 15 17,4 9,5 16 000 16 000 0,14
7205BECBPH 25 52 15 15,6 10 17 000 17 000 0,13
7205BECBM 25 52 15 15,6 10 17 000 17 000 0,13
7205BECBP 25 52 15 15,6 10 17 000 17 000 0,13
7205BECBY 25 52 15 15,6 10,2 15 000 15 000 0,13
25 52 15 14,8 9,3 15 000 15 000 0,13
7305BECBPH 25 62 17 26,5 15,3 15 000 15 000 0,23
7305BECBM 25 62 17 26,5 15,3 15 000 15 000 0,23
7305BECBP 25 62 17 26,5 15,3 15 000 15 000 0,23
7305BECBY 25 62 17 26 15,6 14 000 14 000 0,23
25 62 17 24,2 14 14 000 14 000 0,23
7206BECBM 30 62 16 24 15,6 14 000 14 000 0,2
7206BECBP 30 62 16 24 15,6 14 000 14 000 0,2
7206BECBY 30 62 16 23,8 15,6 13 000 13 000 0,2
30 62 16 22,5 14,3 13 000 13 000 0,2
7206BECBPH 30 62 16 24 15,6 14 000 14 000 0,2
7306BECBM 30 72 19 35,5 21,2 13 000 13 000 0,34
7306BECBP 30 72 19 35,5 21,2 13 000 13 000 0,34
7306BECBY 30 72 19 34,5 21,2 12 000 12 000 0,34
30 72 19 32,5 19,3 12 000 12 000 0,34
7306BEGAPH 30 72 19 35,5 21,2 13 000 13 000 0,34
7207BECBPH 35 72 17 31 20,8 12 000 12 000 0,28
7207BECBM 35 72 17 31 20,8 12 000 12 000 0,28
7207BECBP 35 72 17 31 20,8 12 000 12 000 0,28
7207BECBY 35 72 17 29,1 19 11 000 11 000 0,28
7307BECBM 35 80 21 41,5 26,5 11 000 11 000 0,45
7307BECBP 35 80 21 41,5 26,5 11 000 11 000 0,45
7307BECBY 35 80 21 39 24,5 10 000 10 000 0,45
7307BEGAPH 35 80 21 41,5 26,5 11 000 11 000 0,45
7208BECBPH 40 80 18 36,5 26 11 000 11 000 0,37
7208BECBM 40 80 18 36,5 26 11 000 11 000 0,37
7208BECBP 40 80 18 36,5 26 11 000 11 000 0,37
7208BECBY 40 80 18 36,4 26 10 000 10 000 0,37
40 80 18 37,7 26 11 000 11 000 0,37
7308BECBM 40 90 23 50 32,5 10 000 10 000 0,68
7308BECBP 40 90 23 50 32,5 10 000 10 000 0,62
7308BECBY 40 90 23 49,4 33,5 9 000 9 000 0,64
40 90 23 46,2 30,5 9 000 9 000 0,62
7308BEGAPH 40 90 23 50 32,5 10 000 10 000 0,62
7209BECBM 45 85 19 38 28,5 10 000 10 000 0,42
7209BECBP 45 85 19 38 28,5 10 000 10 000 0,42
7209BECBY 45 85 19 37,7 28 9 000 9 000 0,42
45 85 19 35,8 26 9 000 9 000 0,42
7209BEGAPH 45 85 19 38 28,5 10 000 10 000 0,42
7309BECBM 45 100 25 61 40,5 9 000 9 000 0,91
7309BECBP 45 100 25 61 40,5 9 000 9 000 0,82
7309BECBY 45 100 25 60,5 41,5 8 000 8 000 0,87
45 100 25 55,9 37,5 8 000 8 000 0,82
7309BEGAPH 45 100 25 61 40,5 9 000 9 000 0,82
7210BECBPH 50 90 20 40 31 9 000 9 000 0,47
7210BECBM 50 90 20 40 31 9 000 9 000 0,47
7210BECBP 50 90 20 40 31 9 000 9 000 0,47
7210BECBY 50 90 20 37,7 28,5 8 500 8 500 0,47
7310BECBM 50 110 27 75 51 8 000 8 000 1,1
7310BECBP 50 110 27 75 51 8 000 8 000 1,1
7310BECBY 50 110 27 74,1 51 7 500 7 500 1,15
50 110 27 68,9 47,5 7 500 7 500 1,1
7310BEGAPH 50 110 27 75 51 8 000 8 000 1,1
7211BECBPH 55 100 21 49 40 8 000 8 000 0,62
7211BECBM 55 100 21 49 40 8 000 8 000 0,62
7211BECBP 55 100 21 49 40 8 000 8 000 0,62
7211BECBY 55 100 21 48,8 38 7 500 7 500 0,62
55 100 21 46,2 36 7 500 7 500 0,62
7311BECBM 55 120 29 85 60 7 000 7 000 1,4
7311BECBP 55 120 29 85 60 7 000 7 000 1,4
7311BECBY 55 120 29 85,2 60 6 700 6 700 1,4
55 120 29 79,3 55 6 700 6 700 1,4
7311BECBPH 55 120 29 85 60 7 000 7 000 1,4
7212BECBPH 60 110 22 61 50 7 500 7 500 0,8
7212BECBM 60 110 22 61 50 7 500 7 500 0,8
7212BECBP 60 110 22 61 50 7 500 7 500 0,8
7212BECBY 60 110 22 57,2 45,5 7 000 7 000 0,8
60 110 22 57,2 45,5 7 000 7 000 0,8
7312BECBM 60 130 31 104 76,5 6 700 6 700 1,75
7312BECBP 60 130 31 104 76,5 6 700 6 700 1,75
7312BECBPH 60 130 31 104 76,5 6 700 6 700 1,75
7312BECBY 60 130 31 95,6 69,5 6 000 6 000 1,75
7213BECBM 65 120 23 69,5 57 6 700 6 700 1
7213BECBP 65 120 23 69,5 57 6 700 6 700 1
65 120 23 66,3 54 6 300 6 300 1
7213BECBY 65 120 23 66,3 54 6 300 6 300 1
7213BEGAPH 65 120 23 69,5 57 6 700 6 700 1
7313BECBM 65 140 33 116 86,5 6 300 6 300 2,15
7313BECBP 65 140 33 116 86,5 6 300 6 300 2,15
7313BECBY 65 140 33 108 80 5 600 5 600 2,15
7313BECBPH 65 140 33 116 86,5 6 300 6 300 2,15
7214BECBM 70 125 24 72 60 6 300 6 300 1,1
7214BECBP 70 125 24 75 64 6 300 6 300 1,1
7214BECBY 70 125 24 71,5 60 6 000 6 000 1,1
7214BECBPH 70 125 24 75 64 6 300 6 300 1,1
7314BECBM 70 150 35 127 98 5 600 5 600 2,65
7314BECBP 70 150 35 127 98 5 600 5 600 2,65
7314BECBPH 70 150 35 127 98 5 600 5 600 2,65
7314BECBY 70 150 35 119 90 5 300 5 300 2,65
7314BEGAPH 70 150 35 127 98 5 600 5 600 2,65
7215BECBPH 75 130 25 73,5 65,5 6 300 6 300 1,2
7215BECBM 75 130 25 73,5 65,5 6 300 6 300 1,2
7215BECBP 75 130 25 73,5 65,5 6 300 6 300 1,2
7215BECBY 75 130 25 72,8 64 5 600 5 600 1,2
75 130 25 70,2 60 5 600 5 600 1,2
7315BECBM 75 160 37 132 104 5 300 5 300 3,2
7315BECBP 75 160 37 132 104 5 300 5 300 3,2
7315BECBY 75 160 37 133 106 5 000 5 000 3,2
75 160 37 125 98 5 000 5 000 3,2
7315BEGAPH 75 160 37 132 104 5 300 5 300 3,2
7216BECBPH 80 140 26 85 75 5 600 5 600 1,45
7216BECBM 80 140 26 85 75 5 600 5 600 1,45
7216BECBP 80 140 26 85 75 5 600 5 600 1,45
7216BECBY 80 140 26 83,2 73,5 5 300 5 300 1,45
80 140 26 80,6 69,5 5 300 5 300 1,45
7216BEGAPH 80 140 26 85 75 5 600 5 600 1,45
7316BECBPH 80 170 39 143 118 5 000 5 000 3,8
7316BECBM 80 170 39 143 118 5 000 5 000 3,8
7316BECBP 80 170 39 143 118 5 000 5 000 3,8
7316BECBY 80 170 39 143 118 4 500 4 500 3,8
80 170 39 135 110 4 500 4 800 3,8
80 170 39 135 110 4 500 4 500 3,8
7217BECBM 85 150 28 102 90 5 300 5 300 1,85
7217BECBP 85 150 28 102 90 5 300 5 300 1,85
7217BECBY 85 150 28 95,6 83 5 000 5 000 1,85
7317BECBM 85 180 41 156 132 4 800 4 800 4,45
7317BECBP 85 180 41 156 132 4 800 4 800 4,45
7317BECBY 85 180 41 153 132 4 300 4 300 4,45
85 180 41 146 122 4 300 4 500 4,45
85 180 41 146 122 4 300 4 300 4,45
7317BEGAPH 85 180 41 156 132 4 800 4 800 4,45
7218BECBM 90 160 30 116 104 5 000 5 000 2,3
7218BECBP 90 160 30 116 104 5 000 5 000 2,3
7218BECBY 90 160 30 108 96,5 4 500 4 500 2,3
7318BEGAPH 90 190 43 166 146 4 500 4 500 5,2
7318BECBM 90 190 43 166 146 4 500 4 500 5,2
7318BECBP 90 190 43 166 146 4 500 4 500 5,2
7318BECBY 90 190 43 165 146 4 000 4 000 5,2
90 190 43 156 134 4 000 4 300 5,2
90 190 43 156 134 4 000 4 000 5,2
7219BECBM 95 170 32 124 108 4 300 4 500 2,7
7219BECBP 95 170 32 129 118 4 800 4 800 2,7
7219BECBY 95 170 32 124 108 4 300 4 300 2,7
7219BEGAPH 95 170 32 129 118 4 800 4 800 2,7
7319BECBM 95 200 45 180 163 4 300 4 300 6,05
7319BECBP 95 200 45 180 163 4 300 4 300 6,05
7319BECBY 95 200 45 190 176 4 300 4 300 6,05
95 200 45 168 150 3 800 4 000 6,05
95 200 45 168 150 3 800 3 800 6,05
7220BECBM 100 180 34 143 134 4 500 4 500 3,3
7220BECBP 100 180 34 143 134 4 500 4 500 3,3
7220BECBY 100 180 34 135 122 4 000 4 000 3,3
7320BECBM 100 215 47 216 208 4 000 4 000 7,5
7320BECBP 100 215 47 216 208 4 000 4 000 7,5
7320BECBY 100 215 47 203 190 3 600 3 600 7,5
100 215 47 203 190 3 600 3 600 7,5
7221BECBM 105 190 36 148 137 3 800 4 000 3,95
7221BECBP 105 190 36 156 150 4 300 4 300 3,95
7321BECBM 105 225 49 216 208 3 800 3 800 8,55
7321BECBP 105 225 49 216 208 3 800 3 800 8,55
105 225 49 203 193 3 400 3 400 8,55
7222BECBM 110 200 38 163 156 4 000 4 000 4,6
7222BECBP 110 200 38 170 166 4 000 4 000 4,6
7222BECBY 110 200 38 163 153 3 600 3 600 4,6
7322BECBM 110 240 50 225 224 3 200 3 400 10
7322BECBP 110 240 50 225 224 3 200 3 200 10
7322BECBY 110 240 50 225 224 3 200 3 200 10
110 240 50 225 224 3 200 3 400 10
7571BGM 120 180 28 87,1 93 3 800 4 000 2,4
7224BCBM 120 215 40 165 163 3 400 3 600 5,9
7324BCBM 120 260 55 238 250 3 000 3 000 14,5
7226BCBM 130 230 40 186 193 3 200 3 400 6,95
7326BCBM 130 280 58 276 305 2 800 2 800 17
7571BGM 140 210 33 114 129 3 200 3 400 3,85
7228BCBM 140 250 42 199 212 3 000 3 000 8,85
7328BCBM 140 300 62 302 345 2 600 2 600 21,5
7030BGM 150 225 35 133 146 3 000 3 200 4,7
7230BCBM 150 270 45 216 240 2 600 2 800 11,5
7330BCBM 150 320 65 332 390 2 400 2 400 26
7232BCBM 160 290 48 255 300 2 400 2 600 14
7034BGM 170 260 42 172 204 2 600 2 800 7,65
7234BCBM 170 310 52 281 345 2 400 2 400 17,5
7334BCBM 170 360 72 390 490 2 000 2 200 36
7036BGM 180 280 46 195 240 2 400 2 600 10
7236BCBM 180 320 52 291 375 2 200 2 400 18
7336BCBM 180 380 75 410 540 2 000 2 000 42
7038BGM 190 290 46 199 255 2 400 2 400 10,5
7238BCBM 190 340 55 307 405 2 000 2 200 22
7338BCBM 190 400 78 442 600 1 900 2 000 48,5
7040BGM 200 310 51 225 290 2 200 2 200 18
7240BCBM 200 360 58 325 430 2 000 2 000 25
7340BCBM 200 420 80 462 655 1 800 1 800 53
7044BGM 220 340 56 255 355 2 000 2 000 18
7244BCBM 220 400 65 390 560 1 800 1 800 37
7048BGM 240 360 56 260 375 1 800 1 900 19
7248BCBM 240 440 72 364 540 1 600 1 700 49
7052BGM 260 400 65 332 510 1 600 1 700 30
7056BGM 280 420 65 338 540 1 500 1 600 30
7260BCBM 300 540 65 553 930 850 1 300 86,5
7264BCBM 320 580 92 572 1 571 850 1 200 110

Monton bearing  was established in 2001 seated in HangZhou–“Xihu (West Lake) Dis.ent Imperial Capital and Peony Flower City”,we focusing on the bearing field for more than 20 years and we specializing in the development of “High-tech, High precision, Advanced, Non-standard” bearings.Monton’s mission has been and will continue to be to provide customers with complete integrated solutions, including design and development, manufacturing, testing and evaluation, and second-to-none after-sales service.

Monton bearing is mainly engaged in the production of the angular contact ball bearing,High precision crossed roller bearing,Thrust bearing stacks and TC radial bearings,Low temperature,The section ball bearing,Cylindrical roller bearing,Spherical roller bearing,Thrust roller ball bearings and harmonic drives bearing and the customized non-standard bearings.

We made outstanding contributions to the important scientific research projects of many CHINAMFG universities such as ZHangZhoug University, HangZhou University of technology, ZheJiang University of science and technology, ZheJiang Jiaotong University and China University of petroleum and won high praise from users.

We have batch production on high-grade bearing products and components with an inner diameter of 0.6mm to an outer diameter of 5m. Our products have been widely used in Machine tools,Weapons,Oil drilling,Cryogenic pumps, Mining, Metallurgy,Port machinery, Medical treatment,Extruder gearboxes,Cement,Textiles,Industrial robots, Harmonic drives, Paper machinery, Concrete mixers, Rolling mill and national defense industry field.

With advanced production equipment and perfect testing technology, MONTON can guarantee the quality and accuracy of the products we produced. Our technical department can efficiently complete the bearing design according to customer needs, and customers who need non-standard bearings can also enjoy customized services. Our quality system regularly monitors various production facilities and complies with strict quality requirements. All material certificates and certification reports are kept in files. Products are traceable and can be provided on request. Therefore, we are confident to provide the best solutions for global customers.

We are innovative, motivated and courageous to provide our customers with necessary solutions. Our management and employees are always ready to provide professional and personalized services to our customers. In the future, MONTON will adhere to the brand development strategy, strengthen the research and development of high-end products, strive to build a digital factory, and join hands with more partners to work together for a better future!

Company spirit: Honesty, Trustworthiness and Mutual benefit;

Company policy: Quality-oriented;

Company Business philosophy:Honesty;

Company principle: Solve customers problems and maximize customer benefits!

FAQ 
1.Q:Are you a factory or trading company?
A:MONTON Bearing is specialized in manufacturing and exporting bearings.
MONTON Bearing have our own factory and warehouse.

2.Q:Can I get some samples and do you offer the sample free?
A:Yes, sure, we are honored to offer you samples.

3.Q:What is the payment?
A: 30% T/T In Advance, 70% T/T Against Copy Of B/L  
B: 100% L/C At Sight 

4.Q:What is the MOQ for bearing?
A: MOQ is 1 pc.

5.Q:What kind of service you can offer?
A:Technology support;Installation guidance;OEM ect.

6.Q: How long is your delivery time?
A: Generally it is 4-5 days if the goods are in stock. or it is 45 days if the goods are not in
stock, Also it is according to quantity.

7.Q: Can you provide special customization according to the working conditions?
A: Sure, we can design and produce the slewing bearings for different working conditions.

8.Q: How about your guarantee? 
A: We provide lifelong after-sales technical service. 

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Rolling Body: Ball Bearings
The Number of Rows: Single
Outer Dimension: Small and Medium-Sized (60-115mm)
Material: Bearing Steel
Spherical: Non-Aligning Bearings
Load Direction: Axial Bearing
Samples:
US$ 1/Piece
1 Piece(Min.Order)

|

Customization:
Available

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Can slewing rings be customized for specific industries or machinery configurations?

Yes, slewing rings can be customized to meet the specific requirements of different industries or machinery configurations. Customization allows slewing rings to be tailored to suit unique applications, operating conditions, and integration needs. Here’s a detailed explanation of how slewing rings can be customized:

Slewing ring manufacturers understand that different industries and machinery configurations may have specific demands that require customized solutions. By working closely with customers and understanding their requirements, slewing ring manufacturers can offer the following customization options:

  • Dimensions and Load Capacity: Slewing rings can be customized in terms of their dimensions, such as outer diameter, inner diameter, and height, to fit specific space constraints or load requirements. This ensures that the slewing ring can be seamlessly integrated into the machinery or equipment.
  • Mounting Interfaces: Customized slewing rings can be designed with specific mounting interfaces to match the existing or planned machinery configuration. This facilitates easy installation and compatibility with other components.
  • Gear Specifications: For applications that require integrated gears, slewing rings can be customized with specific gear specifications. This includes the number of teeth, module, pressure angle, gear quality, and backlash requirements. Customized gear specifications ensure smooth and precise motion control.
  • Sealing Systems: Slewing rings can be customized with sealing systems to provide protection against environmental factors such as dust, water, and contaminants. Different sealing options, such as labyrinth seals, lip seals, or combination seals, can be tailored to meet the specific requirements of the application.
  • Materials and Coatings: Customization allows slewing rings to be manufactured using different materials and surface coatings to enhance their performance in specific industries or operating conditions. Materials such as stainless steel, heat-treated steels, or corrosion-resistant alloys can be chosen based on factors like temperature, corrosion resistance, or weight considerations.
  • Specialized Features: Depending on the industry or application, slewing rings can be customized with specialized features. This may include integrated sensors for position feedback, temperature sensors, or additional functionalities like locking mechanisms, lubrication systems, or anti-corrosion treatments.

The ability to customize slewing rings for specific industries or machinery configurations ensures that the resulting solution is optimized for performance, reliability, and longevity in the intended application. Customization allows for a precise match between the slewing ring and the machinery, considering factors such as space constraints, load requirements, environmental conditions, and integration needs.

It is important to work closely with slewing ring manufacturers or suppliers who have expertise in customization and can provide engineering support to develop the most suitable solution for the specific industry or machinery configuration. By leveraging customization options, industries can benefit from slewing rings that are specifically designed to meet their unique requirements and optimize the performance of their machinery or equipment.

Can you provide examples of products or machinery that commonly use slewing rings?

Slewing rings are widely used in various industries and play a vital role in the functioning of numerous products and machinery. They offer rotational support, precise motion control, and load-bearing capabilities. Here are some examples of products or machinery that commonly utilize slewing rings:

  • Construction Machinery: Slewing rings are extensively used in construction machinery such as excavators, cranes, concrete pumps, and tower cranes. They enable the rotation and movement of the boom, arm, and bucket, allowing for precise control during digging, lifting, and material placement operations.
  • Material Handling Equipment: Slewing rings are essential components in material handling equipment like forklifts, stackers, and reach stackers. They facilitate the rotation and swiveling of the mast or boom, enabling efficient loading, unloading, and stacking of goods in warehouses, logistics centers, and ports.
  • Wind Turbines: Slewing rings are crucial in wind turbines, where they support the yaw and pitch mechanisms. The yaw system allows the turbine to rotate and face the wind direction, while the pitch system adjusts the angle of the blades for optimal wind capture. Slewing rings enable precise and controlled movement, ensuring efficient wind energy conversion.
  • Cranes: Various types of cranes, including mobile cranes, crawler cranes, and tower cranes, rely on slewing rings for their rotation and lifting capabilities. Slewing rings support the crane’s superstructure, allowing it to rotate horizontally, and provide stability and load-bearing capacity during lifting operations.
  • Rotary Drilling Rigs: Slewing rings are commonly used in rotary drilling rigs for oil and gas exploration, foundation construction, and mining operations. They enable the rotation and positioning of the drill mast, allowing for precise drilling and borehole creation.
  • Railway Equipment: Slewing rings find application in railway equipment such as rail cranes, railway maintenance machines, and turntables. They facilitate the rotation and movement of equipment, ensuring efficient maintenance, repairs, and track positioning.
  • Robotics: Slewing rings are integral to robotic systems, including industrial robots, robotic arms, and robotic welding systems. They enable the rotational movement and articulation of the robot’s joints, allowing for precise and controlled manipulation in manufacturing, assembly, and automation processes.
  • Solar Tracking Systems: Slewing rings are employed in solar tracking systems to orient solar panels toward the sun. They enable the rotation and tilting of the panels, maximizing solar energy absorption and optimizing power generation in solar farms and photovoltaic systems.
  • Turntables and Rotating Platforms: Slewing rings are used in turntables and rotating platforms found in various applications. They support the rotational movement of entertainment stages, amusement park rides, revolving restaurants, and display platforms in trade shows or exhibitions.

These are just a few examples of the diverse range of products and machinery that commonly utilize slewing rings. Their ability to provide rotational support, precise motion control, and load-bearing capabilities makes them indispensable components in numerous industries, including construction, material handling, energy, transportation, robotics, and entertainment.

What is a slewing ring, and how is it used in mechanical systems?

A slewing ring, also known as a slewing bearing or turntable bearing, is a specialized type of rolling element bearing that enables rotational movement between two components. It consists of an inner ring, an outer ring, rolling elements (such as balls or rollers), and often a gear mechanism. Slewing rings are used in mechanical systems where there is a need for smooth and controlled rotation. Here’s a detailed explanation of what a slewing ring is and how it is used:

  • Structure and Components: A slewing ring typically has a large diameter compared to its thickness, allowing it to support axial, radial, and moment loads. The inner and outer rings have raceways that the rolling elements move along. The rolling elements, which can be balls or rollers, distribute the load and facilitate smooth rotation. In some cases, a gear mechanism is integrated into the slewing ring, allowing it to act as a rotational drive system.
  • Rotational Movement: The primary function of a slewing ring is to enable rotational movement between two components. It provides a stable and low-friction interface that allows one component to rotate relative to the other. The rolling elements within the raceways minimize friction and distribute the load evenly, resulting in smooth and controlled rotation. Slewing rings can support both continuous rotation and intermittent or oscillating movement, depending on the application requirements.
  • Load Support: Slewing rings are designed to support various types of loads. They can handle axial loads, which are forces acting parallel to the axis of rotation, as well as radial loads, which are forces acting perpendicular to the axis of rotation. Additionally, slewing rings can accommodate moment loads, which are a combination of axial and radial loads that create bending or twisting forces. The load-carrying capacity of a slewing ring depends on factors such as its size, design, and choice of rolling elements.
  • Applications: Slewing rings find applications in a wide range of mechanical systems across different industries. Some common uses include:
  • Construction and Cranes: Slewing rings are extensively used in construction machinery, cranes, and mobile equipment. They enable 360-degree rotation of the boom or jib, allowing for efficient material handling and positioning.
  • Wind Turbines: Slewing rings are crucial components in wind turbine systems. They support the rotor, allowing it to rotate according to wind direction, and provide a connection between the rotor and the nacelle, enabling yaw movement.
  • Industrial Equipment: Slewing rings are utilized in various industrial equipment, including indexing tables, turntables, robotic arms, and packaging machinery. They facilitate precise and controlled rotation in these applications.
  • Transportation and Automotive: Slewing rings are employed in transportation and automotive applications, such as vehicle cranes, aerial platforms, and rotating platforms for heavy-duty vehicles. They enable safe and smooth rotation in these specialized systems.
  • Medical and Rehabilitation Equipment: Slewing rings are used in medical and rehabilitation equipment, such as patient lifts and adjustable beds. They allow for smooth and controlled movement, aiding in patient care and mobility assistance.

In summary, a slewing ring is a specialized bearing that enables controlled rotational movement between components in mechanical systems. Its ability to support various loads, provide smooth rotation, and accommodate different applications makes it a valuable component in a wide range of industries.

China Professional 70bnr19xe Angular Contact Ball Bearings Dual Axis Worm Drive Slewing Ring  China Professional 70bnr19xe Angular Contact Ball Bearings Dual Axis Worm Drive Slewing Ring
editor by Dream 2024-05-14