NTN - Large Bearings

A-13
Bearing Tolerances
Mean single plane
bore diameter variation
Vdmp
15
19
19
23
26
30
34
38
55
75
94
120
150
11
14
14
17
19
23
26
30
5
7
7
8
9
12
4
5
5
6
2.5
3.5
3.5
4
25
30
30
40
50
60
65
70
80
90
100
120
140
13
18
18
20
25
30
35
40
6
8
8
10
13
15
5
6
6
8
2.5
2.5
5
5
9
10
10
11
13
15
5
6
6
7
2.5
2.5
4
5
Inner ring
radial runout
Kia
Unit m
Face runout
with bore
Sd
Inner ring
axial runout
(with side)
Sia
9
10
10
13
15
20
5
7
7
8
4
5
5
6
Inner ring width deviation
∆B
0
0
0
0
0
0
0
0
0
0
0
0
0
-200
-250
-250
-300
-350
-400
-450
-500
-750
-1,000
-1,250
-1,600
-2,000
0
0
0
0
0
0
-200
-250
-250
-300
-350
-400
0
0
0
0
-200
-250
-300
-350
-380
-500
-500
-500
-500
-630
0
0
0
0
0
0
0
0
0
0
0
0
-380
-380
-380
-500
-500
-630
Inner ring width
variation
VB
25
30
30
30
35
40
50
60
70
80
100
120
140
25
30
30
30
35
40
45
50
7
8
8
10
13
15
2.5
2.5
4
5
2.5
2.5
5
5
2 To be applied to deep groove ball bearing and angular contact ball bearings.
3 To be applied to individual raceway rings manufactured for combined bearing use.
2
3
class
0
class
6
class
5
class
4
class
2
max
class
0
class
6
class
5
class
5
class
4
class
2
class
4
class
2
max
max
class
5
class
4
class
2
max high low high low
high
low
normal
class 0,6 class 5,4
high low high low
class 0,6 class 5,4
class 2
modified
class
0
class
6
class
5
class
4
class
2
max
11
14
19
23
26
30
34
38
55
75
94
120
150
190
10
11
14
15
19
21
25
29
34
45
5
6
7
8
9
10
12
14
18
4
5
5
6
7
8
2.5
2.5
3.5
4
4
5
Mean single plane
outside diameter
variation
VDmp
Unit m
Outer ring radial runout
Kea
4
5
5
7
7
8
Outside surface
inclination
SD
8
8
8
10
11
13
15
18
20
2.5
2.5
2.5
4
5
7
5 To be applied to deep groove ball bearings and angular contact ball bearings.
35
40
45
50
60
70
80
100
120
140
160
190
220
250
18
20
23
25
30
35
40
50
60
75
10
11
13
15
18
20
23
25
30
6
7
8
10
11
13
5
5
5
7
7
8
9
10
10
11
13
13
15
18
20
5
5
5
7
8
10
2.5
2.5
2.5
4
5
7
Outside ring
axial runout
Sea
11
13
14
15
18
20
23
25
30
6
7
8
10
10
13
5
5
5
7
7
8
5
class
0
class
6
class
5
class
4
class
2
max
class
0
class
6
class
5
class
4
class
2
max
class
5
class
4
class
2
max
class
5
class
4
class
2
max
class
5
class
4
class
2
max
Outer ring width
variation
VCs