Extra-miniature/miniature/small bearings

Products Data

Unit    

80.315

120.4724

3.50.1378

0.10.0039

0.10.0039

8.60.3386

8.90.3504

0.10.0039

0.10.0039

11.40.4488

11.40.4488

Bearing no.SMR128ZZ
Bore diameterd8 mm0.315 inch
Outer diameterD12 mm0.4724 inch
Inner ring widthB3.5 mm0.1378 inch
Outer ring widthC3.5 mm0.1378 inch
Inner ring chamfer dimensionrsi min0.1 mm0.0039 inch
Outer ring chamfer dimensionrse min0.1 mm0.0039 inch
Basic dynamic load ratingCr463 N
Basic static load ratingCor219 N
Limiting speedGrease46000 min-1
Oil54000 min-1
Abutment and fillet dimensionsda min8.6 mm0.3386 inch
da max8.9 mm0.3504 inch
Da min11.4 mm0.4488 inch
Da max11.4 mm0.4488 inch
rasi max0.1 mm0.0039 inch
rase max0.1 mm0.0039 inch
Ball size × quantity1.200 mm0.0472 inch × 12
Mass (reference)1 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.