Standard micro bearings are compact in size, high in precision, and operate smoothly, suitable for light load high-speed rotation conditions of small precision equipment. They are widely used in micro motors, precision instruments, and small transmission devices.
| Model | Basic Dimensions | Basic rated dynamic load | Weight | Type | |||
|---|---|---|---|---|---|---|---|
| Inner diameter | Outer diameter | Thickness | Dynamic load | Static load | |||
| [mm] | [mm] | [mm] | (kN) | (kN) | （kg） | ||
| 627 | 7 | 22 | 7 | 3300 | 1370 | 12.7 | Standard micro bearings |
| 637 | 7 | 26 | 9 | 4550 | 1970 | 24 | Standard micro bearings |
| 678 | 8 | 12 | 2.5 | 545 | 274 | 0.71 | Standard micro bearings |
| MR148 | 8 | 14 | 3.5 | 820 | 385 | 1.86 | Standard micro bearings |
| 688 | 8 | 16 | 4 | 1610 | 710 | 3.12 | Standard micro bearings |
| 698 | 8 | 19 | 6 | 2240 | 910 | 7.23 | Standard micro bearings |
| 608 | 8 | 22 | 7 | 3300 | 1370 | 12.1 | Standard micro bearings |
| 628 | 8 | 24 | 8 | 3350 | 1430 | 17.2 | Standard micro bearings |
| 638 | 8 | 28 | 9 | 4550 | 1970 | 28.3 | Standard micro bearings |
| 679 | 9 | 14 | 3 | 919 | 468 | 1.98 | Standard micro bearings |
| 689 | 9 | 17 | 4 | 1330 | 665 | 3.53 | Standard micro bearings |
| 699 | 9 | 20 | 6 | 1720 | 840 | 8.45 | Standard micro bearings |
| 609 | 9 | 24 | 7 | 3350 | 1430 | 14.5 | Standard micro bearings |
| 629 | 9 | 26 | 8 | 4550 | 1970 | 19.5 | Standard micro bearings |
| 639 | 9 | 30 | 10 | 5100 | 2390 | 36.5 | Standard micro bearings |
| 6700 | 10 | 15 | 3 | 855 | 435 | 1.4 | Standard micro bearings |
| 6701 | 12 | 18 | 4 | 926 | 530 | 3.1 | Standard micro bearings |
| ET2015 | 15 | 20 | 3.5 | 944 | 582 | 2.1 | Standard micro bearings |
| ET2115 | 15 | 21 | 3.5 | 939 | 581 | 2.43 | Standard micro bearings |
| 6702 | 15 | 21 | 4 | 937 | 582 | 3.6 | Standard micro bearings |
