Page 782 - MiSUMi 2025

Economy series Technical Reference-Tolerance and Allowable Values of Radial Bearings (Class 0) Technical Reference-Tolerance and Allowable Values of Radial Bearings (Class 0) Economy series
Bearings Bearings

Table 1 X and Y Values of Radial Ball Bearings (Excerpted from GB/T 6391-2010)

Single-Row Bearing Double-Row Bearing
“Relative Axial Fa Fa Fa Fa
Bearing Type a, b ≤e >e ≤e >e e
Load” Fr Fr Fr Fr
X Y X Y X Y X Y

f oF a c F a
C or iZD w 2
0.172 0.172 2.3 2.3 0.19
0.345 0.345 1.99 1.99 0.22
0.689 0.689 1.71 1.71 0.26
Radial Contact 1.03 1.03 1.55 1.55 0.28
9 Ball Bearings 1.38 1.38 1 0 0.56 1.45 1 0 0.56 1.45 0.34
0.3
Bearings / Bearings with Housings / Related Accessories Table 2 Radial Bearing (Except Tapered Roller Bearing) --Inner Ring--General Grade Tolerance (Excerpted from GB/T 307.1-2017)
2.07
1.31
2.07
1.31
0.38
1.15
3.45
1.15
3.45
1.04
1.04
5.17
5.17
0.42
1
1
0.44
6.89
6.89
d t △dmp Diameter Series t Vdmp Limit deviations and tolerance values are in microns.
t △Bs
t Vdsp
mm
Max
Min-Single type Min-Combination type
a
t Kia
Bearings > - 0.6 ≤ 0.6 U - 8 10 0, 1 2, 3, 4 6 6 10 U - 40 L - - 12
t VBs
L
9
8
6
0
0
- 40
- 8
8
2.5
0
0
12
10
10
6
10
10
-250
- 120
20
- 8
18
P.09-007 10 2.5 10 0 0 0 - 8 10 10 8 8 6 6 8 6 6 8 10 0 0 0 - 120 -250 15
13
-250
- 120
30
20
13
- 10
18
Bearings with Housings 120 120 0 0 0 0 - 12 15 12 11 9 11 9 15 0 0 0 0 - 120 -250 20
50
30
- 150
25
20
50
-380
- 15
19
19
80
25
-380
25
- 20
80
- 200
15
25
25
15
31
- 25
-500
30
30
180
19
31
- 250
19
- 350
26
44
50
26
44
P.09-038 180 250 0 0 - 30 38 38 23 23 40 0 0 - 300 -500 30
250
35
-500
- 35
315
315 400 0 0 - 40 50 50 30 30 60 0 0 - 400 -630 40
- 45
-
56
500
34
56
65
50
- 450
34
400
Bearing Lock Nuts 500 1000 0 0 0 - 50 63 63 38 38 70 0 0 0 - 500 - - - 60
630
80
-
800
630
-
- 75
-
70
- 750
-
-
90
-100
-1000
-
-
800
-
80
-125
1000
100
-1250
100
0
0
-
-
-
-
1250
-
1250
-
-160
0
-
120
-
1600
120
0
-
-
-1600
P.09-081 E It is applicable to the inner and outer rings of single bearings installed in pairs or groups, and it is also applicable to the inner rings
-
140
-
1600
-
-200
0
0
140
-2000
-
2000
-
Bearing Shaft Screws / Bearing Spacers Table 3 Radial Bearing (Except Tapered Roller Bearing) --Outer Ring--General Grade Tolerance (Excerpted from GB/T 307.1-2017)
of tapered bore bearings with d≥50mm.
a
t VDsp
P.09-086 mm t △Dmp Open Type Bearing Closed Type Bearing Limit deviations and tolerance values are in microns.
D
t △Cs
t VCs
b
t △Cls
t Kea
t VDmp a
Other New Products (Bearing Related) > - 2.5 ≤ 2.5 U - 8 10 0, 1 2, 3, 4 2, 3, 4 6 6 15 U L
b
Diameter Series
t VCls
9
L
6
8
0
10
15
0
10
- 8
6
10
6
8
30
- 9
15
12
12
16
50
30
14
- 11
20
P.09-090 18 6 18 0 0 0 - 8 10 11 8 9 6 7 8 10 6 7 8 15
50 80 0 - 13 16 13 10 20 10 25
80 120 0 - 15 19 19 11 26 11 35
120 150 0 - 18 23 23 14 30 14 40
150 180 0 - 25 31 31 19 38 19 45
180 250 0 - 30 38 38 23 - 23 50 Same as t△Bs and
t VBs of the same bearing
250 315 0 - 35 44 44 26 - 26 60 inner ring
315 400 0 - 40 50 50 30 - 30 70
400 500 0 - 45 56 56 34 - 34 80
500 630 0 - 50 63 63 38 - 38 100
630 800 0 - 75 94 94 55 - 55 120
800 1000 0 -100 125 125 75 - 75 140
1000 1250 0 -125 - - - - - 160
1250 1600 0 -160 - - - - - 190
1600 2000 0 -200 - - - - - 220
2000 2500 0 -250 - - - - - 250
a Applicable to the inner and outer stop rings before installation or after removal.
b Only applicable to groove type ball bearings.
09-009