Inch-series bearings

Products Data

Unit    

3.1750.125

7.9380.3125

3.5710.1406

0.10.0039

0.10.0039

40.1575

4.30.1693

0.10.0039

0.10.0039

7.30.2874

7.30.2874

Bearing no.R2-5ZZ
Bore diameterd3.175 mm0.125 inch
Outer diameterD7.938 mm0.3125 inch
Inner ring widthB3.571 mm0.1406 inch
Outer ring widthC3.571 mm0.1406 inch
Inner ring chamfer dimensionrsi min0.1 mm0.0039 inch
Outer ring chamfer dimensionrse min0.1 mm0.0039 inch
Basic dynamic load ratingCr559 N
Basic static load ratingCor179 N
Limiting speedGrease70000 min-1
Oil82000 min-1
Abutment and fillet dimensionsda min4 mm0.1575 inch
da max4.3 mm0.1693 inch
Da min7.3 mm0.2874 inch
Da max7.3 mm0.2874 inch
rasi max0.1 mm0.0039 inch
rase max0.1 mm0.0039 inch
Ball size × quantity1.588 mm0.0625 inch × 6
Mass (reference)0.66 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.