| Customization: | Available |
|---|---|
| Meteria: | Bearing Steel |
| Sealing: | Zz 2RS Open |
|
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Welcome to Ningbo Yiwei Bearing Co., Ltd., a leading bearing factory specializing in high precision, high speed, low noise, and affordable motor bearings. Our range includes various grades of bearings, including OEM and ODM options.
Introducing our 634 miniature ball bearing, designed for exceptional performance and accuracy. Whether for precision motor applications or industrial use, our deep groove ball bearing guarantees consistent results. Trust in our product for automotive, industrial, or miniature needs.
| bearing model | Inner Diameter | Outer Diameter | Width | Chamfer | Weight | |
| Open | Sealing | |||||
| d | D | B | rs(min) | |||
| mm | mm | mm | mm | mm | Kg | |
| 604 | 4 | 12 | 4 | 4 | 0.15 | 0.00400 |
| 605 | 5 | 14 | 5 | 5 | 0.2 | 0.00450 |
| 606 | 6 | 17 | 6 | 6 | 0.3 | 0.00570 |
| 607 | 7 | 19 | 6 | 6 | 0.3 | 0.00720 |
| 608 | 8 | 22 | 7 | 7 | 0.3 | 0.01200 |
| 624 | 4 | 13 | 5 | 5 | 0.2 | 0.00300 |
| 625 | 5 | 14 | 5 | 5 | 0.3 | 0.00470 |
| 626 | 6 | 19 | 6 | 6 | 0.3 | 0.00810 |
| 627 | 7 | 22 | 7 | 7 | 0.3 | 0.01220 |
| 628 | 8 | 24 | 8 | 8 | 0.3 | 0.01600 |
| 629 | 9 | 26 | 8 | 8 | 0.3 | 0.02000 |
| 633 | 3 | 13 | 5 | 5 | 0.2 | 0.00330 |
| 634 | 4 | 16 | 5 | 5 | 0.3 | 0.00500 |
| 682 | 2 | 5 | 1.5 | 2.3 | 0.1 | 0.00012 |
| 685 | 5 | 11 | 3 | 5 | 0.15 | 0.00190 |
| 686 | 5 | 13 | 5 | 5 | 0.2 | 0.00240 |
| 688 | 8 | 16 | 4 | 5 | 0.2 | 0.00380 |
| 693 | 3 | 8 | 3 | 4 | 0.15 | 0.00080 |
| 694 | 4 | 11 | 4 | 4 | 0.15 | 0.00150 |
| 695 | 5 | 13 | 4 | 4 | 0.2 | 0.00220 |
| 696 | 6 | 15 | 5 | 5 | 0.2 | 0.00385 |
| 697 | 7 | 17 | 5 | 5 | 0.3 | 0.00500 |
| 698 | 8 | 19 | 6 | 6 | 0.3 | 0.00710 |
| 6000 | 10 | 26 | 8 | 8 | 0.3 | 0.01850 |
| 6001 | 12 | 28 | 8 | 8 | 0.3 | 0.02000 |
| 6002 | 15 | 32 | 9 | 9 | 0.3 | 0.02850 |
| 6003 | 17 | 35 | 10 | 10 | 0.3 | 0.06280 |
| 6004 | 20 | 42 | 12 | 12 | 0.6 | 0.06600 |
| 6005 | 25 | 47 | 12 | 12 | 0.6 | 0.07800 |
| 6006 | 30 | 55 | 13 | 13 | 1 | 0.09000 |
| 6200 | 10 | 30 | 9 | 9 | 0.6 | 0.03100 |
| 6201 | 12 | 32 | 10 | 10 | 0.6 | 0.03650 |
| 6202 | 15 | 35 | 11 | 11 | 0.6 | 0.04310 |
| 6203 | 17 | 40 | 12 | 12 | 0.6 | 0.06500 |
| 6204 | 20 | 47 | 14 | 14 | 1 | 0.11000 |
| 6205 | 25 | 52 | 15 | 15 | 1 | 0.13400 |
| 6206 | 30 | 62 | 16 | 16 | 1 | 0.19900 |
| 6207 | 35 | 72 | 17 | 17 | 1.1 | 0.28800 |
| 6208 | 40 | 80 | 18 | 18 | 1.1 | 0.37000 |
| 6300 | 10 | 35 | 11 | 11 | 0.6 | 0.05300 |
| 6301 | 12 | 37 | 12 | 12 | 1 | 0.05740 |
| 6302 | 15 | 42 | 13 | 13 | 1 | 0.08200 |
| 6303 | 17 | 47 | 14 | 14 | 1 | 0.11000 |
| 6304 | 20 | 52 | 15 | 15 | 1.1 | 0.14200 |
| 6305 | 25 | 62 | 17 | 17 | 1.1 | 0.21400 |
| 6306 | 30 | 72 | 19 | 19 | 1.1 | 0.35000 |
| 6701 | 12 | 18 | 4 | 4 | 0.2 | 0.00200 |
| 6702 | 15 | 21 | 4 | 4 | 0.2 | 0.00250 |
| 6704 | 20 | 27 | 4 | 4 | 0.2 | 0.00450 |
| 6800 | 10 | 19 | 5 | 5 | 0.3 | 0.00500 |
| 6801 | 12 | 21 | 5 | 5 | 0.3 | 0.00600 |
| 6802 | 15 | 24 | 5 | 5 | 0.3 | 0.00700 |
| 6804 | 20 | 32 | 7 | 7 | 0.3 | 0.01800 |
| 6900 | 10 | 22 | 6 | 6 | 0.3 | 0.00900 |
| 6901 | 12 | 24 | 6 | 6 | 0.3 | 0.01080 |
| 6902 | 15 | 28 | 7 | 7 | 0.3 | 0.01600 |
| 6903 | 17 | 30 | 7 | 7 | 0.3 | 0.01800 |
| 6904 | 20 | 37 | 9 | 9 | 0.3 | 0.03600 |
| 6905 | 25 | 42 | 9 | 9 | 0.3 | 0.04200 |
| 6907 | 35 | 55 | 10 | 10 | 0.6 | 0.07400 |
| 62800 | 10 | 19 | 6 | 6 | 0.3 | 0.00630 |
| MR137 | 7 | 13 | 4 | 4 | 0.2 | 0.00170 |
| MR913 | 3.175 | 9 | 3 | 3 | 0.2 | 0.00090 |
| MR923 | 2.3 | 9 | 3 | 3 | 0.2 | 0.00090 |
| Note: | Technically our production line can make all bearings with outer ring size less then 80mm, including non-standard bearings, we only list bearings we often produced, so doesn't mean we can't make other types. | |||||
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