NTN - Large Bearings

Bearing Tolerances
Table 3.6 Tolerance of thrust ball bearings
Table 3.6 (1) Shaft washer
over
80
120
180
250
315
400
500
630
800
Nominal
bore
diameter
d
mm
incl.
120
180
250
315
400
500
630
800
1,000
Single plane mean bore diameter deviation
Class
0,6,5
∆dmp
Class
4
low
low
high
0
0
0
0
0
0
0
0
0
-20
-25
-30
-35
-40
-45
-50
-75
-100
high
0
0
0
0
0
0
0
0
–
-15
-18
-22
-25
-30
-35
-40
-50
–
Single radial plane
bore diameter
variation
Vdp
Class Class
0,6,5 4
max
15
19
23
26
30
34
38
55
75
11
14
17
19
23
26
30
–
–
Thrust bearing shaft washer raceway
(or center
washer
raceway) thickness
variation
Class
0
Class
6
Si
Class
5
Class
4
max
15
15
20
25
30
30
35
40
45
8
9
10
13
15
18
21
25
30
4
5
5
7
7
9
11
13
15
Unit m
3
4
4
5
5
6
7
8
–
Table 3.6 (2) Housing washer
80
120
180
250
315
400
500
630
800
1,000
Nominal
outside
diameter
D
mm
over incl.
120
180
250
315
400
500
630
800
1,000
1,250
Single plane mean outside diameter deviation
Class
0,6,5
∆Dmp
Class
4
high low
low
0
0
0
0
0
0
0
0
0
0
-22
-25
-30
-35
-40
-45
-50
-75
-100
-125
high
0
0
0
0
0
0
0
0
0
–
-13
-15
-20
-25
-28
-33
-38
-45
-60
–
Single radial plane
outside
diameter
variation
Class
0,6,5
VDp
Class
4
max
17
19
23
26
30
34
38
55
75
95
10
11
15
19
21
25
29
34
45
–
Unit m
Thrust bearing housing washer raceway
thickness
variation
Se
Class Class Class Class
0
6
5
4
max
According to the tolerance
of S1 against "d" or "d2"
of the same bearings
Table 3.6 (3) Height of bearings center washer
Unit m
80
120
180
250
315
400
500
630
800
Nominal
bore
diameter
d
mm
120
180
250
315
400
500
630
800
1,000
Single direction type 1
∆Ts
over incl. high low
0
0
0
0
0
0
0
0
0
-150
-175
-200
-225
-300
-350
-400
-500
-600
1This standard is applied to flat back face bearing of class 0.
d
D
T
A-18