Inch-series bearings

Products Data

Unit    

3.1750.125

6.350.25

2.7790.1094

0.10.0039

0.10.0039

3.80.1496

3.80.1496

0.10.0039

0.10.0039

60.2362

60.2362

Bearing no.R144ZZ
Bore diameterd3.175 mm0.125 inch
Outer diameterD6.35 mm0.25 inch
Inner ring widthB2.779 mm0.1094 inch
Outer ring widthC2.779 mm0.1094 inch
Inner ring chamfer dimensionrsi min0.1 mm0.0039 inch
Outer ring chamfer dimensionrse min0.1 mm0.0039 inch
Basic dynamic load ratingCr284 N
Basic static load ratingCor95 N
Limiting speedGrease77000 min-1
Oil91000 min-1
Abutment and fillet dimensionsda min3.8 mm0.1496 inch
da max3.8 mm0.1496 inch
Da min6 mm0.2362 inch
Da max6 mm0.2362 inch
rasi max0.1 mm0.0039 inch
rase max0.1 mm0.0039 inch
Ball size × quantity1.000 mm0.0394 inch × 7
Mass (reference)0.28 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.