| Bearing no. | MR128 |
|---|
| Bore diameter | d | 8 mm0.315 inch |
|---|
| Outer diameter | D | 12 mm0.4724 inch |
|---|
| Inner ring width | B | 2.5 mm0.0984 inch |
|---|
| Outer ring width | C | 2.5 mm0.0984 inch |
|---|
| Inner ring chamfer dimension | rsi min | 0.15 mm0.0059 inch |
|---|
| Outer ring chamfer dimension | rse min | 0.15 mm0.0059 inch |
|---|
| Basic dynamic load rating | Cr | 544 N |
|---|
| Basic static load rating | Cor | 275 N |
|---|
| Limiting speed | Grease | 46000 min-1 |
|---|
| Oil | 54000 min-1 |
|---|
| Abutment and fillet dimensions | da min | 9 mm0.3543 inch |
|---|
| da max | 9 mm0.3543 inch |
|---|
| Da min | 11 mm0.4331 inch |
|---|
| Da max | 11.2 mm0.4409 inch |
|---|
| rasi max | 0.15 mm0.0059 inch |
|---|
| rase max | 0.15 mm0.0059 inch |
|---|
| Ball size × quantity | 1.200 mm0.0472 inch × 12 |
|---|
| Mass (reference) | 0.71 g |
|---|
The above values are subject to change without notice for the improvement of products or other purposes. We have prepared this table with sufficient care, and we cannot be held responsible for any damage caused by possible errors or omissions.
