Needle Roller Bearings - Ntn-snr.com

Cam followers stud type truck rollers
NTN
Metric series
C
B3
Type KR
Type KRLL
Type KRV
Type KRVLL
D
F n
R500
a
d1 e n G
G1
C1
B2
B1
Type KR
(With cage)
D
1052mm
Boundary dimensions
mm
D C d1 F B1 B2 G G1 C1 n B3 a e h
0
0.050
10
7 3 0 4.0 17 9 M 30.5 5 0.5 7 2.5 3)
0.010
7 3 4.0 17 9 M 30.5 5 0.5 7 2.5 3)
12
13
16
19
22
26
30
32
35
40
47
52
8 4 0 4.8 20 11 M 40.7 6 0.5 8.5 2.5 3)
0.012
8 4 4.8 20 11 M 40.7 6 0.5 8.5 2.5 3)
9 5 0 5.75 23 13 M 50.8 7.5 0.5 9.5 3 3)
0.012
9 5 5.75 23 13 M 50.8 7.5 0.5 9.5 3 3)
11 6 0 8 28 16 M 61 8 0.6 4 2) 12 3
0.012
11 6 8 28 16 M 61 8 0.6 4 2) 12 3
11 8 0 10 32 20 M 81.25 10 0.6 4 2) 14 4
0.015
11 8 10 32 20 M 81.25 10 0.6 4 2) 14 4
12 10 0 12 36 23 M101.25 12 0.6 4 17 4
0.015
12 10 12 36 23 M101.25 12 0.6 4 17 4
12 10 0 12 36 23 M101.25 12 0.6 4 17 4
0.015
12 10 12 36 23 M101.25 12 0.6 4 17 4
14 12 0 15 40 25 M121.5 13 0.6 6 6 3 23 6
0.018
14 12 15 40 25 M121.5 13 0.6 6 6 3 23 6
14 12 0 15 40 25 M121.5 13 0.6 6 6 3 23 6
0.018
14 12 15 40 25 M121.5 13 0.6 6 6 3 23 6
18 16 0 18 52 32.5 M161.5 17 0.8 6 8 3 27 6
0.018
18 16 18 52 32.5 M161.5 17 0.8 6 8 3 27 6
20 18 0 22 58 36.5 M181.5 19 0.8 6 8 3 32 6
0.018
20 18 22 58 36.5 M181.5 19 0.8 6 8 3 32 6
24 20 0 25 66 40.5 M201.5 21 0.8 8 9 4 37 8
0.021
24 20 25 66 40.5 M201.5 21 0.8 8 9 4 37 8
24 20 0 25 66 40.5 M201.5 21 0.8 8 9 4 37 8
0.021
24 20 25 66 40.5 M201.5 21 0.8 8 9 4 37 8
Note 1) For bearing with cylindrical outer surface, the nominal number is followed by "X" code. In this case, the cylindrical bearing is manufactured with the tolerance for outer ring
outer diameter D which conforms to JIS Class-0. Ex. KR22XLL
2) Grease replenishing hole is provided at front side only (on left side-face in the above sketch). However, in the case with "hexagon hole" no grease replenishing hole is provided.
B-182