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  • Non Standard Small Miniature Bearing Customized as per Drawing or Sample
  • Non Standard Small Miniature Bearing Customized as per Drawing or Sample
  • Non Standard Small Miniature Bearing Customized as per Drawing or Sample
Non Standard Small Miniature Bearing Customized as per Drawing or Sample Non Standard Small Miniature Bearing Customized as per Drawing or Sample Non Standard Small Miniature Bearing Customized as per Drawing or Sample

Non Standard Small Miniature Bearing Customized as per Drawing or Sample

  • Advanced Equipment;
  • Most Competitive Price;
  • Fast and On-Time Delivery;
  • Welcome inquiry:
  • Email: sales@by-rol.com
  • Mobile/Wechat/Whatsapp: 0086-180 3279 4657
  • INQUIRY

BY-ROL Bearing/ Non-Standard Bearings


Non-Standard Miniature Bearings

1. Double Grooved Ball Bearings

Ball Bearings with Double Slots

2. V Groove Ball Bearings;

3. U Groove Ball Bearings;

4. Non-Standard Bearings with Higher Inner Rings;

5. More Types as per Designs/ Drawings;

-- For any detailed inquiry of non-standard/ special Miniature Ball Bearings, pls contact us at any time. We will make a response within 12 hours.


Micro Bearing/ Miniature Bearing Series: Metric & Inch Series Miniature Ball Bearings
600 series: 603~609
620 series: 623~629
630 series: 634~639
670 series/MR series: 673~678 / MR63~MR148
680 series: 683~689
690 series: 693~699

Pls kindly note that Hebei Naimei Bearing specializes in the producing of miniature bearings and the non-standard miniatures. Most of bearings can be modified as per clients' specific designs and drawings, even for small quantities.

Bearing NumberBoundary Dimensions(mm)Basic Load Ratings(kN)Limiting SpeedsMass(g)
NMN bearingdDBrs minCrCorrpm(Approx.)
603-ZZ bearing3930.1563521950,0000.92
604-ZZ bearing
41240.297036043,0002.1
605-ZZ bearing
51450.21,33050539,0003.5
606-ZZ bearing
61760.32,19086535,0006
607-ZZ bearing
71960.32,24091034,0008
608-ZZ bearing
82270.33,3501,40032,00012
609-ZZ bearing
92470.33,4001,45031,00014
623-ZZ bearing
31040.1564022450,0001.6
624-ZZ bearing
41350.21,31049042,0003.2
625-ZZ bearing
51650.31,76068037,0004.8
626-ZZ bearing
61960.32,34088534,0008.1
627-ZZ bearing
72270.33,3501,40032,00013
628-ZZ bearing
82480.34,0001,59031,00017
629-ZZ bearing
92680.34,5501,96030,00020

For more bearing inquiries, welcome to contact us.

Sales Department:

Email: sales@by-rol.com, lisencho@gmail.com

Mobile/Wechat/Whatsapp: 0086-18032794657

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