Extra-miniature/miniature/small bearings

Products Data

Unit    

70.2756

140.5512

50.1969

0.150.0059

0.150.0059

8.20.3228

8.40.3307

0.150.0059

0.150.0059

12.80.5039

13.20.5197

Bearing no.687ZZ
Bore diameterd7 mm0.2756 inch
Outer diameterD14 mm0.5512 inch
Inner ring widthB5 mm0.1969 inch
Outer ring widthC5 mm0.1969 inch
Inner ring chamfer dimensionrsi min0.15 mm0.0059 inch
Outer ring chamfer dimensionrse min0.15 mm0.0059 inch
Basic dynamic load ratingCr1180 N
Basic static load ratingCor511 N
Limiting speedGrease44000 min-1
Oil52000 min-1
Abutment and fillet dimensionsda min8.2 mm0.3228 inch
da max8.4 mm0.3307 inch
Da min12.8 mm0.5039 inch
Da max13.2 mm0.5197 inch
rasi max0.15 mm0.0059 inch
rase max0.15 mm0.0059 inch
Ball size × quantity2.000 mm0.0787 inch × 9
Mass (reference)2.77 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.