Product Description

Specifications of Bearing

Product Description of CZPT CZPT cylindrical roller bearing
HangZhou Flow Group Ltd. virtually every type of ball and roller bearings. They are available in various cross sections and satisfy a huge variety of operating conditions and application performance requirements.
A wide assortment of plain bearings, rod ends and bushings are also available to satisfy various oscillating movement needs. The design and material variants are extensive and offer an unparalleled selection from which to meet your application needs.

Bearing characteristics: NSK CZPT CZPT CZPT cylindrical roller bearing are available in a variety of sizes, and are the most popular of all rolling bearings. This type of bearing supports radial load and a certain degree of
axial load in both directions simultaneously.

Application: NSK CZPT CZPT CZPT cylindrical roller bearing mainly used in electric heating ring, marking machine, liquid glue, eyedrops machinery, packaging equipment, compressor, electric heater, filter material, differential pressure transmitter, automotive lamps and other equipments.

Showing of Bearing

Parameters of Bearing

More details of CZPT cylindrical roller bearing

Model Brand d D B Cr Cor Limiting Speed (r/min) Mass
(mm) (mm) (mm) (kN) (kN) Grease Oil (kg)
NU202 NSK 15 35 11 7.98 5.5 15000 19000
NU203 NSK 17 40 12 9.12 7 14000 18000
NU303 NSK 17 47 14 12.8 10.8 13000 17000 0.147
NU1004 NSK 20 42 12 10.5 9.2 13000 17000 0.09
NU204E NSK 20 47 14 25.8 24 12000 16000 0.117
NU2204E NSK 20 47 18 30.8 30 12000 16000 0.149
NU3O4E NSK 20 52 15 29 25.5 11000 15000 0.155
NU2304E NSK 20 52 21 39.2 37.5 10000 14000 0.216
NU1005 NSK 25 47 12 11 10.2 11000 15000 0.1
NU205E NSK 25 52 15 27.5 26.8 11000 14000 0.14
NU2205E NSK 25 52 18 32.8 33.8 11000 14000 0.168
NU305E NSK 25 62 17 38.5 35.8 9000 12000 0.251
NU2305E NSK 25 62 24 53.2 54.5 9000 12000 0.355
NU1006 NSK 30 55 13 13 12.8 9500 12000 0.12
NU206E NSK 30 62 16 36 35.5 8500 11000 0.214
NU2206E NSK 30 62 20 45.5 48 8500 11000 0.268
NU306E NSK 30 72 19 49.2 48.2 8000 10000 0.377
NU2306E NSK 30 72 27 70 75.5 8000 10000 0.538
NU406 NSK 30 90 23 57.2 53 7000 9000 0.73
NU1007 NSK 35 62 14 19.5 18.8 8500 11000 0.16
NU207E NSK 35 72 17 46.5 48 7500 9500 0.311
NU2207E NSK 35 72 23 57.5 63 7500 9500 0.414
NU307E NSK 35 80 21 62 63.2 7000 9000 0.501
NU2307E NSK 35 80 31 87.5 98.2 7000 9000 0.738
NU407 NSK 35 100 25 70.8 68.2 6000 7500 0.94
NU1008 NSK 40 68 15 21.2 22 7500 9500 0.22
NU208E NSK 40 80 18 51.5 53 7000 9000 0.394
NU2208E NSK 40 80 23 67.5 75.2 7000 9000 0.507
NU308E NSK 40 90 23 76.8 77.8 6300 8000 0.68
NU2308E NSK 40 90 33 105 118 6300 8000 0.974
NU408 NSK 40 110 27 90.5 89.8 5600 7000 1.25
NU1009 NSK 45 75 16 23.2 23.8 6500 8500 0.26
NU209E NSK 45 85 19 58.5 63.8 6300 8000 0.45
NU2209E NSK 45 85 23 71 82 6300 8000 0.55
NU309E NSK 45 100 25 93 98 5600 7000 0.93
NU2309E NSK 45 100 36 130 152 5600 7000 1.34
NU400 NSK 45 120 29 102 100 5000 6300 1.8
NU1571 NSK 50 80 16 25 27.5 6300 8000
NU210E NSK 50 90 20 61.2 69.2 6000 7500 0.505
NU2210E NSK 50 90 23 74.2 88.8 6000 7500 0.59
NU310E NSK 50 110 27 105 112 5300 6700 1.2
NU2310E NSK 50 110 40 155 185 5300 6700 1.79
NU410 NSK 50 130 31 120 120 4800 6000 2.3
NU1011 NSK 55 90 18 35.8 40 5600 7000 0.45
NU211E NSK 55 100 21 80.2 95.5 5300 6700 0.68
NU2211E NSK 55 100 25 94.8 118 5300 6700 0.81
NU311E NSK 55 120 29 128 138 4800 6000 1.53
NU2311E NSK 55 120 43 190 228 4800 6000 2.28
NU411 NSK 55 140 33 128 132 4300 5300 2.8
NU1012 NSK 60 95 18 38.5 45 5300 6700 0.48
NU212E NSK 60 110 22 89.8 102 5000 6300 0.86
NU2212E NSK 60 110 28 122 152 5000 6300 1.12
NU312E NSK 60 130 31 142 155 4500 5600 1.87
NU2312E NSK 60 130 46 212 260 4500 5600 2.81
NU412 NSK 60 150 35 155 162 4000 5000 3.4
NU1013 NSK 65 100 18 39 46.5 4800 6000 0.51
NU213E NSK 65 120 23 102 118 4500 5600 1.08
NU2213E NSK 65 120 31 142 180 4500 5600 1.48
NU313E NSK 65 140 33 170 188 4000 5000 2.31
NU2313E NSK 65 140 48 235 285 4000 5000 3.34
NU413 NSK 65 160 37 170 178 3800 4800 4
NU1014 NSK 70 110 20 47.5 57 4800 6000 0.71
NU214E NSK 70 125 24 112 135 4300 5300 1.2
NU2214E NSK 70 125 31 148 192 4300 5300 1.56
NU314E NSK 70 150 35 195 220 3800 4800 2.86
NU2314E NSK 70 150 51 260 320 3800 4800 4.1
NU414 NSK 70 180 42 215 232 3400 4300 5.9
NU1015 NSK 75 115 20 51.5 61.2 4500 5600 0.74
NU215E NSK 75 130 25 125 155 4000 5000 1.32
NU2215E NSK 75 130 31 155 205 4000 5000 1.64
NU315E NSK 75 160 37 228 260 3600 4500 3.43
NU2315 NSK 75 160 55 245 308 3600 4500 5.4
NU415 NSK 75 190 45 250 272 3200 4000 7.1
NU1016 NSK 80 125 22 59.2 77.8 4300 5300 1
NU216E NSK 80 140 26 132 165 3800 4800 1.58
NU2216E NSK 80 140 33 178 242 3800 4800 2.05
NU316E NSK 80 170 39 245 282 3400 4300 4.05
NU2316 NSK 80 170 58 258 328 3400 4300 6.4
NU416 NSK 80 200 48 285 315 3000 3800 8.3
NU1017 NSK 85 130 22 64.5 81.6 4000 5000 1.05
NU217E NSK 85 150 28 158 192 3600 4500 2
NU2217E NSK 85 150 36 205 272 3600 4500 2.58
NU317E NSK 85 180 41 280 332 3200 4000 4.82
NU2317 NSK 85 180 60 295 380 3200 4000 7.4
NU417 NSK 85 210 52 312 345 2800 3600 9.8
NU1018 NSK 90 140 24 74 94.8 3800 4800 1.36
NU218E NSK 90 160 30 172 215 3400 4300 2.44
NU2218E NSK 90 160 40 230 312 3400 4300 3.26
NU318E NSK 90 190 43 298 348 3000 3800 5.59
NU2318 NSK 90 190 64 310 395 3000 3800 8.4
NU418 NSK 90 225 54 352 392 2400 3200 11
NU1019 NSK 95 145 24 75.5 98.5 3600 4500 1.4
NU219E NSK 95 170 32 208 262 3200 4000 2.96
NU2219E NSK 95 170 43 275 368 3200 4000 3.97
NU319E NSK 95 200 45 315 380 2800 3600 6.52
NU2319 NSK 95 200 67 3700 500 2800 3600 10.4
NU419 NSK 95 240 55 378 428 2200 3000 14
NU1571 NSK 100 150 24 78 102 3400 4300 1.5
NU220E NSK 100 180 34 235 302 3000 3800 3.58
NU2220E NSK 100 180 46 318 440 3000 3800 4.86
NU320E NSK 100 215 47 365 425 2600 3200 7.89
NU2320 NSK 100 215 73 415 558 2600 3200 13.5
NU420 NSK 100 250 58 418 480 2000 2800 16
NU1571 NSK 105 160 26 91.5 122 3200 4000 1.9
NU221 NSK 105 190 36 185 235 2800 3600 4
NU321 NSK 105 225 49 322 392 2200 3000
NU421 NSK 105 260 60 508 602 1900 2600
NU1571 NSK 110 170 28 115 155 3000 3800 2.3
NU222E NSK 110 200 38 278 360 2600 3400 5.02
NU2222 NSK 110 200 53 312 445 2600 3400 7.5
NU322 NSK 110 240 50 352 428 2000 2800 11
NU2322 NSK 110 240 80 535 740 2000 2800 17.5
NU422 NSK 110 280 65 515 602 1800 2400 22
NU1571 NSK 120 180 28 130 168 2600 3400 2.96
NU224E NSK 120 215 40 322 422 2200 3000 6.11
NU2224 NSK 120 215 58 345 522 2200 3000 9.5
NU324 NSK 120 260 55 440 552 1900 2600 14
NU2324 NSK 120 260 86 632 868 1900 2600 22.5
NU424 NSK 120 310 72 642 772 1700 2200 30
NU1026 NSK 130 200 33 152 212 2400 3200 3.7
NU226 NSK 130 230 40 258 352 2000 2800 7
NU2226 NSK 130 230 64 368 552 2000 2800 11.5
NU326 NSK 130 280 58 492 620 1700 2200 18
NU2326 NSK 130 280 93 748 1060 1700 2200 28.5
NU426 NSK 130 340 78 782 942 1500 1900 39
NU1571 NSK 140 210 33 158 220 2000 2800 4
NU228 NSK 140 250 42 302 415 1800 2400 9.1
NU2228 NSK 140 250 68 438 700 1800 2400 15
NU328 NSK 140 300 62 545 690 1600 2000 22
NU2328 NSK 140 300 102 825 1180 1600 2000 37
NU428 NSK 140 360 82 845 1571 1400 1800
NU1030 NSK 150 225 35 188 268 1900 2600 4.8
NU230 NSK 150 270 45 360 490 1700 2200 11
NU2230 NSK 150 270 73 530 772 1700 2200 17
NU330 NSK 150 320 65 595 765 1500 1900 26
NU2330 NSK 150 320 108 930 1340 1500 1900 45
NU430 NSK 150 380 85 912 1100 1300 1700 53
NU1032 NSK 160 240 38 212 302 1800 2400 6
NU232 NSK 160 290 48 405 552 1600 2000 14
NU2232 NSK 160 290 80 590 898 1600 2000 25
NU332 NSK 160 340 68 628 825 1400 1800 31.6
NU2332 NSK 160 340 114 972 1430 1400 1800 55.8
NU1034 NSK 170 260 42 255 365 1700 2200 8.14
NU234 NSK 170 310 52 425 650 1500 1900 17.1
NU334 NSK 170 360 72 715 952 1300 1700 36
NU2334 NSK 170 360 120 1110 1650 1300 1700 63
NU1036 NSK 180 280 46 300 438 1600 2000 10.1
NU236 NSK 180 320 52 425 650 1400 1800 18
NU336 NSK 180 380 75 835 1100 1200 1600 42
NU2336 NSK 180 380 126 1210 1780 1200 1600 71.2
NU1038 NSK 190 290 46 335 495 1500 1900
NU238 NSK 190 340 55 512 745 1300 1700 23
NJ306E NSK 30 72 19 49.2 48.2 8000 10000 0.377
NJ2306E NSK 30 72 27 70 75.5 8000 10000 0.538
NJ406 NSK 30 90 23 57.2 53 7000 9000 0.73
NJ207E NSK 35 72 17 46.5 48 7500 9500 0.311
NJ2207E NSK 35 72 23 57.5 63 7500 9500 0.414
NJ307E NSK 35 80 21 62 63.2 7000 9000 0.501
NJ2307E NSK 35 80 31 87.5 98.2 7000 9000 0.738
NJ407 NSK 35 100 25 70.8 68.2 6000 7500 0.94
NJ1008 NSK 40 68 15 21.2 22 7500 9500 0.22
NJ208E NSK 40 80 18 51.5 53 7000 9000 0.394
NJ2208E NSK 40 80 23 67.5 75.2 7000 9000 0.507
NJ308E NSK 40 90 23 76.8 77.8 6300 8000 0.68
NJ2308E NSK 40 90 33 105 118 6300 8000 0.974
NJ408 NSK 40 110 27 90.5 89.8 5600 7000 1.25
NJ1009 NSK 45 75 16 23.2 23.8 6500 8500 0.26
NJ209E NSK 45 85 19 58.5 63.8 6300 8000 0.45
NJ2209E NSK 45 85 23 71 82 6300 8000 0.55
NJ309E NSK 45 100 25 93 98 5600 7000 0.93
NJ2309E NSK 45 100 36 130 152 5600 7000 1.34
NJ409 NSK 45 120 29 102 100 5000 6300 1.8
NJ1571 NSK 50 80 16 25 27.5 6300 8000
NJ210E NSK 50 90 20 61.2 69.2 6000 7500 0.505
NJ2210E NSK 50 90 23 74.2 88.8 6000 7500 0.59
NJ310E NSK 50 110 27 105 112 5300 6700 1.2
NJ2310E NSK 50 110 40 155 185 5300 6700 1.79
NJ410 NSK 50 130 31 120 120 4800 6000 2.3
NJ1011 NSK 55 90 18 35.8 40 5600 7000 0.45
NJ211E NSK 55 100 21 80.2 95.5 5300 6700 0.68
NJ2211E NSK 55 100 25 94.8 118 5300 6700 0.81
NJ311E NSK 55 120 29 128 138 4800 6000 1.53
NJ2311E NSK 55 120 43 190 228 4800 6000 2.28
NJ411 NSK 55 140 33 128 132 4300 5300 2.8
NJ1012 NSK 60 95 18 38.5 45 5300 6700 0.48
NJ212E NSK 60 110 22 89.8 102 5000 6300 0.86
NJ2212E NSK 60 110 28 122 152 5000 6300 1.12
NJ312E NSK 60 130 31 142 155 4500 5600 1.87
NJ2312E NSK 60 130 46 212 260 4500 5600 2.81
NJ412 NSK 60 150 35 155 162 4000 5000 3.4
NJ1013 NSK 65 100 18 39 46.5 4800 6000 0.51
NJ213E NSK 65 120 23 102 118 4500 5600 1.08
NJ2213E NSK 65 120 31 142 180 4500 5600 1.48
NJ313E NSK 65 140 33 170 188 4000 5000 2.31
NJ2313E NSK 65 140 48 235 285 4000 5000 3.34
NJ413 NSK 65 160 37 170 178 3800 4800 4
NJ1014 NSK 70 110 20 47.5 57 4800 6000 0.71
NJ214E NSK 70 125 24 112 135 4300 5300 1.2
NJ2214E NSK 70 125 31 148 192 4300 5300 1.56
NJ314E NSK 70 150 35 195 220 3800 4800 2.86
NJ2314E NSK 70 150 51 260 320 3800 4800 4.1
NJ414 NSK 70 180 42 215 232 3400 4300 5.9
NJ1015 NSK 75 115 20 51.5 61.2 4500 5600 0.74
NJ215E NSK 75 130 25 125 155 4000 5000 1.32
NJ2215E NSK 75 130 31 155 205 4000 5000 1.64
NJ315E NSK 75 160 37 228 260 3600 4500 3.43
NJ2315 NSK 75 160 55 245 308 3600 4500 5.4
NJ415 NSK 75 190 45 250 272 3200 4000 7.1
NJ1016 NSK 80 125 22 59.2 77.8 4300 5300 1
NJ216E NSK 80 140 26 132 165 3800 4800 1.58
NJ2216E NSK 80 140 33 178 242 3800 4800 2.05
NJ316E NSK 80 170 39 245 282 3400 4300 4.05
NJ2316 NSK 80 170 58 258 328 3400 4300 6.4
NJ416 NSK 80 200 48 285 315 3000 3800 8.3
NJ1017 NSK 85 130 22 64.5 81.6 4000 5000 1.05
NJ217E NSK 85 150 28 158 192 3600 4500 2
NJ2217E NSK 85 150 36 205 272 3600 4500 2.58
NJ317E NSK 85 180 41 280 332 3200 4000 4.82
NJ2317 NSK 85 180 60 295 380 3200 4000 7.4
NJ417 NSK 85 210 52 312 345 2800 3600 9.8
NJ1018 NSK 90 140 24 74 94.8 3800 4800 1.36
NJ218E NSK 90 160 30 172 215 3400 4300 2.44
NJ2218E NSK 90 160 40 230 312 3400 4300 3.26
NJ318E NSK 90 190 43 298 348 3000 3800 5.59
NJ2318 NSK 90 190 64 310 395 3000 3800 8.4
NJ418 NSK 90 225 54 352 392 2400 3200 11
NJ1019 NSK 95 145 24 75.5 98.5 3600 4500 1.4
NJ219E NSK 95 170 32 208 262 3200 4000 2.96
NJ2219E NSK 95 170 43 275 368 3200 4000 3.97
NJ319E NSK 95 200 45 315 380 2800 3600 6.52
NJ2319 NSK 95 200 67 3700 500 2800 3600 10.4
NJ419 NSK 95 240 55 378 428 2200 3000 14
NJ1571 NSK 100 150 24 78 102 3400 4300 1.5
NJ220E NSK 100 180 34 235 302 3000 3800 3.58
NJ2220E NSK 100 180 46 318 440 3000 3800 4.86
NJ320E NSK 100 215 47 365 425 2600 3200 7.89
NJ2320 NSK 100 215 73 415 558 2600 3200 13.5
NJ420 NSK 100 250 58 418 480 2000 2800 16

Our Main Products

Our Company

HangZhou Flow Group Ltd is a professional manufacturer of bearings, collecting together production and processing, domestic and foreign trade. The factory specializes in the production and export of many kinds of bearings: deep groove ball bearing, spherical roller bearing, tapered roller bearing, and so on. The customized bearings is also acceptable and the production will be according to your requirements and samples.

All bearings in our factory adopt international quality standards. The complete equipment, strict quality control, advanced Japanese technology and quality service provide a guarantee to supply the high-quality bearings for our customers. Domestic sales and service network has covered 15 major cities in China, meanwhile our bearing has sold more than 60 overseas countries and regions.

Our bearings have been widely used in agriculture, textiles, mining, printing and packaging industries, in addition to applications in airports, air conditioning systems, conveyors and ship also applied.

If you are interested in any of our bearings or have an intention to order, please feel free to contact us.

FAQ

SAMPLES
1.Samples quantity: 1-10 pcs are available.
2.Free samples: It depends on the model NO., material and quantity. Some of the bearings samples need client to pay   samples charge and shipping cost.
3.It’s better to start your order with Trade Assurance to get full protection for your samples order.

CUSTOMIZED
The customized LOGO or drawing is acceptable for us.

MOQ
1.MOQ: 10 pcs mix different standard bearings.
2.MOQ:  5000 pcs customized your brand bearings.

OEM POLICY
1.We can printing your brand (logo,artwork)on the shield or laser engraving your brand on the shield.
2.We can custom your packaging according to your design
3.All copyright own by clients and we promised don’t disclose any info.

SUPORT
Please visit our Clunt bearings website, we strongly encourge that you can communicate with us through email,thanks!

We have all kinds of bearings, just tell me your item number and quantity,best price will be offered to you soon
The material of the bearings, precision rating, seals type,OEM service,etc, all of them we can make according to your requirements.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Rolling Body: Roller Bearing
The Number of Rows: Single
Outer Dimension: Small and Medium-Sized (60-115mm)
Material: Bearing Steel
Spherical: No
Load Direction: Radial Bearing
Samples:
US$ 4/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

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Customized Request

cross roller bearing

How do cross roller bearings enhance the performance of medical devices like CT scanners?

Cross roller bearings play a crucial role in enhancing the performance of medical devices like CT scanners. These bearings offer specific advantages that contribute to the overall functionality, precision, and reliability of CT scanners. Here are the ways in which cross roller bearings enhance the performance of medical devices like CT scanners:

  • Precision Positioning:
  • CT scanners require precise positioning of various components, such as the gantry, X-ray tube, and detector, to ensure accurate imaging. Cross roller bearings provide exceptional precision in motion control, allowing for precise positioning of these components. The low friction and high stiffness of these bearings enable smooth and accurate movements, ensuring precise alignment and reducing the risk of image distortion or artifacts during scanning.

  • High Rigidity:
  • The high rigidity of cross roller bearings is crucial in CT scanners to maintain stability and minimize vibrations. These bearings can withstand external forces and loads without significant deformation. The high rigidity helps to eliminate unwanted motion or deflection, ensuring stable and consistent operation of the scanner. It also helps to maintain the alignment of critical components, such as the X-ray source and detectors, which is essential for obtaining clear and accurate images.

  • Compact Design:
  • CT scanners often have limited space available, especially in clinical settings where the equipment needs to be compact and easily maneuverable. Cross roller bearings have a compact design that allows for efficient integration into the scanner’s structure. Their thin and lightweight construction minimizes the required installation space, enabling the design of more compact and portable CT scanners without compromising performance or stability.

  • High Load Capacity:
  • CT scanners operate under demanding conditions, including high-speed rotations and heavy loads. Cross roller bearings are specifically designed to provide high load capacity in all directions, including axial, radial, and moment loads. These bearings can support the significant loads exerted by the rotating gantry and other moving components while maintaining their structural integrity. The high load capacity ensures the reliability and longevity of the bearings, reducing the risk of premature failures and downtime.

  • Smooth and Quiet Operation:
  • Cross roller bearings offer smooth and quiet operation, which is advantageous in medical environments where patient comfort is a priority. The low friction characteristics of these bearings minimize noise generation during scanner movements, ensuring a quieter scanning experience for patients. Additionally, the smooth operation contributes to the overall efficiency and accuracy of the CT scanner, as it reduces vibrations that could degrade image quality.

  • Long Service Life:
  • CT scanners are designed for long-term use in medical facilities, and reliability is of utmost importance. Cross roller bearings are known for their durability and long service life. They are designed to withstand repeated use, high-speed rotations, and harsh operating conditions. The robust construction and high-quality materials used in these bearings ensure reliable performance and extended service life, reducing the need for frequent replacements and minimizing downtime for maintenance.

In summary, cross roller bearings enhance the performance of medical devices like CT scanners by providing precision positioning, high rigidity, compact design, high load capacity, smooth and quiet operation, and long service life. These advantages contribute to the accuracy, stability, and reliability of the CT scanner, enabling high-quality imaging and improved patient care. By incorporating cross roller bearings into the design of CT scanners, medical equipment manufacturers can optimize the performance and functionality of these critical diagnostic devices.

cross roller bearing

How do temperature variations and environmental conditions impact the performance of cross roller bearings?

Temperature variations and environmental conditions can significantly impact the performance of cross roller bearings. These factors affect the bearing’s materials, lubrication, and overall operation, and can lead to various performance issues. Here’s a detailed look at how temperature variations and environmental conditions impact cross roller bearings:

  • Material Expansion and Contraction:
  • Temperature variations cause materials to expand or contract. Cross roller bearings typically consist of different components made of various materials, such as steel, aluminum, or plastics. When exposed to temperature changes, these materials expand or contract at different rates, which can affect the internal clearances and preload of the bearing. Excessive expansion or contraction can lead to changes in bearing tolerances, increased friction, and potential issues with fitting and alignment.

  • Lubrication Performance:
  • Temperature variations can impact the performance of lubricants used in cross roller bearings. Lubricants have specific viscosity characteristics at different temperatures. High temperatures can cause lubricants to thin out, leading to reduced film thickness and increased friction. Conversely, low temperatures can cause lubricants to thicken, making it challenging for them to flow properly and provide sufficient lubrication. Inadequate lubrication due to temperature variations can result in increased wear, higher operating temperatures, and potential bearing failure.

  • Thermal Expansion of Bearing Components:
  • Temperature variations can also cause the bearing components themselves to expand or contract. This can affect the internal clearances and preload within the bearing. If the temperature rises, the bearing components may expand, leading to reduced internal clearances and potential binding or increased friction. On the other hand, lower temperatures can cause the bearing components to contract, resulting in increased internal clearances and potential play or reduced stiffness. These changes in clearances and preload can impact the precision, smoothness, and overall performance of the cross roller bearing.

  • Corrosion and Rust:
  • Environmental conditions, including moisture, humidity, and exposure to corrosive substances, can lead to corrosion and rust formation on the bearing surfaces. Corrosion can degrade the bearing’s performance by increasing friction, causing surface damage, and reducing the effectiveness of lubrication. In severe cases, corrosion can lead to pitting, spalling, or premature failure of the cross roller bearing. Proper sealing, lubrication, and protection against corrosive elements are essential to mitigate the impact of environmental conditions on the bearing’s performance.

  • Contamination and Particle Ingress:
  • Environmental conditions can introduce contaminants, such as dust, dirt, or debris, into the bearing system. These particles can enter through open seals or shields or when the machine is operating in dusty or dirty environments. Contamination can cause abrasive wear, increase friction, and compromise the bearing’s precision and reliability. The presence of contaminants can also accelerate lubricant degradation and lead to lubricant contamination, further impacting the bearing’s performance.

  • Operating Life and Durability:
  • Temperature variations and harsh environmental conditions can affect the operating life and durability of cross roller bearings. High temperatures can accelerate the aging and degradation of bearing materials, lubricants, and seals, reducing their overall lifespan. Exposure to extreme environmental conditions, such as high humidity or corrosive substances, can lead to premature wear and failure. Proper selection of materials, lubrication, and protective measures, such as seals and shields, is crucial to ensure the longevity and reliability of cross roller bearings in challenging operating environments.

In summary, temperature variations and environmental conditions have a significant impact on the performance of cross roller bearings. They can affect the materials, lubrication, internal clearances, and overall operation of the bearing. It is essential to consider these factors during the design, selection, and maintenance of cross roller bearings to ensure optimal performance, reliability, and longevity in various operating environments.

cross roller bearing

Can you explain the design principles of cross roller bearings and their functions?

Cross roller bearings are designed based on specific principles to achieve their unique performance characteristics. The design principles of cross roller bearings encompass various aspects, including the arrangement of rollers, the structure of rings, and the preload mechanism. Understanding these design principles helps in comprehending the functions and advantages of cross roller bearings. Here’s an explanation of the design principles and functions of cross roller bearings:

  • Arrangement of Rollers:
  • The key design principle of cross roller bearings is the arrangement of cylindrical rollers in a cross configuration between inner and outer rings. The rollers are oriented at right angles to each other and are alternately crossed, forming an X-shaped pattern. This arrangement allows for efficient load distribution, enabling cross roller bearings to support both radial and axial loads simultaneously. The crossed roller design enhances the load-carrying capacity while maintaining a compact profile.

  • Structure of Rings:
  • The rings of cross roller bearings have a specific structure to accommodate the arrangement of rollers. The inner and outer rings are typically thin-walled, which helps reduce weight and improve the flexibility of the bearing. The thin-walled structure also contributes to the compactness of cross roller bearings, making them suitable for applications with limited space. The rings are precision-machined to ensure accuracy and rigidity, providing a stable foundation for the rollers.

  • Preload Mechanism:
  • Cross roller bearings incorporate a preload mechanism to enhance rigidity and minimize clearance. Preloading refers to applying a controlled axial force on the bearing components to eliminate any internal clearance. This axial force is achieved through various methods, such as using spacers, adjusting the ring thickness, or applying a preloading spring. The preload mechanism ensures that the rollers are in constant contact with the raceways, reducing backlash and improving the bearing’s precision and rigidity.

  • Functions of Cross Roller Bearings:
  • The design principles of cross roller bearings result in several important functions that make them advantageous in various applications:

    • Load Carrying Capacity: Cross roller bearings can support high radial, axial, and moment loads simultaneously. The cross arrangement of rollers allows for efficient load distribution, enabling the bearings to handle complex loads with high capacity.
    • Compact and Space-Saving: The arrangement of rollers and the thin-walled ring structure contribute to the compactness of cross roller bearings. They occupy less space compared to other bearing types, making them suitable for applications with limited installation space.
    • High Rigidity and Precision: The crossed roller design and the preload mechanism enhance the rigidity and precision of cross roller bearings. They minimize clearance, reduce deflection, and provide accurate positioning and motion control, making them ideal for applications that require high precision and stability.
    • Moment Load Capability: Cross roller bearings can withstand both radial and axial moments. This capability enables them to support rotational movements and resist forces acting perpendicular to the bearing axis, making them suitable for applications with complex loads and moments.
    • Low Friction and Wear: The rolling motion of cylindrical rollers reduces sliding friction, resulting in improved efficiency and reduced heat generation. Advanced lubrication techniques and high-quality materials further minimize friction and wear, contributing to extended bearing life and reduced maintenance requirements.

In summary, the design principles of cross roller bearings involve the arrangement of rollers, the structure of rings, and the preload mechanism. These principles result in cross roller bearings with functions such as high load-carrying capacity, compactness, high rigidity and precision, moment load capability, and low friction and wear. Understanding these design principles and functions helps in appreciating the advantages and applications of cross roller bearings in various industrial sectors.

China best Cylindrical Roller Bearings Full Complement with Extended Inner Ring Cross Reference   wholesalerChina best Cylindrical Roller Bearings Full Complement with Extended Inner Ring Cross Reference   wholesaler
editor by CX 2024-05-09