Bearing Designation
Bore Diameter(d)
Outer Diameter(D)
Width(b)
LoadRating Cr(N)
LoadRatingCor(N)
open
zz
R144Jzzs
3.175
6.35
2.38
2.779
311
110
R144zzs
6.35
2.38
2.779
284
96
R2-5zz
7.938
2.779
3.571
558
180
R2-6zz
9.525
2.779
3.571
640
227
R2zz
9.525
3.967
3.967
631
219
R2Azz
12.7
4.366
4.366
640
227
R156zzs
4.762
7.938
2.779
3.175
359
150
R166zzs
9.525
3.175
3.175
709
272
R3zz
12.7
3.967
4.978
1301
488
R3Azz
15.875
4.978
4.978
1480
621
R168zzs
6.35
9.525
3.175
3.175
373
172
R188zz
12.7
3.175
4.762
1082
442
R4zz
15.875
4.978
4.978
1480
621