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） | ||
| 681 | 1 | 3 | 1 | 80 | 23 | 0.03 | Standard micro bearings |
| MR31 | 1 | 3 | 1.5 | 80 | 23 | 0.04 | Standard micro bearings |
| 691 | 1 | 4 | 1.6 | 138 | 35 | 0.09 | Standard micro bearings |
| — | 1 | 4 | — | 158 | 44 | — | Standard micro bearings |
| MR41X | 1.2 | 4 | 1.8 | 138 | 35 | 0.1 | Standard micro bearings |
| 681X | 1.5 | 4 | 1.2 | 112 | 33 | 0.07 | Standard micro bearings |
| 691X | 1.5 | 5 | 2 | 237 | 69 | 0.17 | Standard micro bearings |
| 601X | 1.5 | 6 | 2.5 | 330 | 98 | 0.33 | Standard micro bearings |
| 672 | 2 | 4 | 1.2 | 124 | 40 | 0.05 | Standard micro bearings |
| 682 | 2 | 5 | 1.5 | 169 | 50 | 0.12 | Standard micro bearings |
| MR52 | 2 | 5 | 2 | 187 | 58 | 0.16 | Standard micro bearings |
| 692 | 2 | 6 | 2.3 | 330 | 98 | 0.28 | Standard micro bearings |
| MR62 | 2 | 6 | 2.5 | 330 | 98 | 0.3 | Standard micro bearings |
| MR72 | 2 | 7 | 2.5 | 385 | 127 | 0.45 | Standard micro bearings |
| 602 | 2 | 7 | 2.8 | 385 | 127 | 0.51 | Standard micro bearings |
| 672X | 2.5 | 5 | 1.5 | 153 | 59 | 0.11 | Standard micro bearings |
| 682X | 2.5 | 6 | 1.8 | 208 | 74 | 0.23 | Standard micro bearings |
| MR72X | 2.5 | 7 | 3 | 315 | 96 | 0.6 | Standard micro bearings |
| 692X | 2.5 | 7 | 2.5 | 385 | 127 | 0.41 | Standard micro bearings |
| MR82X | 2.5 | 8 | 2.5 | 560 | 179 | 0.56 | Standard micro bearings |
