Needle Roller Bearings - Ntn-snr.com

A-27
Bearing Accuracy
NTN
7
7
8
8
8
9
10
10
11
13
15
3
3
4
4
5
5
6
6
7
m
Face run-out
Sd
Axial run-out
Sia
7
7
8
8
8
9
10
10
13
15
20
3
3
4
4
5
5
7
7
8
2.5
2.5
2.5
3
4
4
5
5
6
Allowable width deviation
∆B
0
0
0
0
0
0
0
0
0
0
0
0
120
120
120
120
150
200
250
250
300
350
400
450
0
0
0
0
0
0
0
0
0
0
0
40
80
120
120
150
200
250
250
300
350
400
Allowable width variation
VB
15
20
20
20
25
25
30
30
30
35
40
50
15
20
20
20
25
25
30
30
30
35
40
45
5
5
5
5
6
7
8
8
10
13
15
2
Class
5
Class
4
max
Class
5
Class
4
max high low high low
Class
0,6
Class
5,4
Class
0
Class
6
Class
5
Class
4
max
Nominal bore
diameter
d
mm
2.5
10
18
30
50
80
120
150
180
250
315
400
10
18
30
50
80
120
150
180
250
315
400
500
1
Class
0
Class
6
Class
5
Class
4
10
10
13
15
20
25
30
30
40
50
60
65
6
7
8
10
10
13
18
18
20
25
30
35
4
4
4
5
5
6
8
8
10
13
15
2.5
2.5
3
4
4
5
6
6
8
Radial run-out
Kia
max over incl.
m
2.5
2.5
2.5
3
4
5
5
7
7
8
Outside surface
inclination
SD
Class
0
Class
6
5
5
5
6
8
8
8
10
11
13
15
18
8
8
8
8
9
10
10
11
13
13
15
18
4
4
4
4
5
5
5
7
8
10
Axial run-out
Sea
8
8
8
10
11
13
14
15
18
20
23
25
5
5
5
5
6
7
8
10
10
13
Allowable width deviation
∆Cs
Depending on the tolerance
of ∆Bs for d of same bearing.
Depending on
the applicable
allowable
value of VBs
for d of same
bearing.
4
Class
5
Class
4
max
Class
5
Class
4
Class 0,6,5,4
max
Class
5
Class
4
max
Allowable width variation
VCs
Nominal outer
diameter
D
mm
6
18
30
50
80
120
150
180
250
315
400
500
18
30
50
80
120
150
180
250
315
400
500
630
3
Class
0
Class
6
Class
5
Class
4
Radial run-out
Kea
15
15
20
25
35
40
45
50
60
70
80
100
8
9
10
13
18
20
23
25
30
35
40
50
5
6
7
8
10
11
13
15
18
20
23
25
3
4
5
5
6
7
8
10
11
13
max over incl.