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ISK Bearing is of general-purpose, and the tolerance of common bearings of general-purpose (Class 0)is show in table. Please specify in order if customer have any special tolerance requirement.
|
d mm |
△dmp |
Vdp |
Vdmp |
Kia |
△Bs |
VBS |
||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Diameter series |
||||||||||||
|
9 |
0, 1 |
2,3,4 |
all |
normal |
correct |
|||||||
|
over |
incl |
high |
low |
max |
max |
max |
high |
|
low |
max |
||
|
0 |
2 |
0 |
- |
10 |
8 |
6 |
6 |
10 |
0 |
- |
|
12 |
|
2 |
10 |
0 |
- |
10 |
8 |
6 |
6 |
10 |
0 |
- |
- |
15 |
|
10 |
18 |
0 |
- |
10 |
8 |
6 |
6 |
10 |
0 |
- |
- |
20 |
|
18 |
30 |
0 |
- |
13 |
10 |
8 |
8 |
13 |
0 |
- |
- |
20 |
|
30 |
50 |
0 |
- |
15 |
12 |
9 |
9 |
15 |
0 |
- |
- |
20 |
|
50 |
80 |
0 |
- |
19 |
19 |
11 |
11 |
20 |
0 |
- |
- |
25 |
|
80 |
120 |
0 |
- |
25 |
25 |
15 |
15 |
25 |
0 |
- |
- |
25 |
|
D mm |
△Dmp |
Vdp |
VDmp |
Kea |
△Cs △Cis |
Vcs |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Open Bearing |
Capped |
||||||||||||
|
Diameter series |
|||||||||||||
|
9 |
0, 1 |
2,3,4 |
2,3,4 |
||||||||||
|
over |
incl. |
high |
low |
max. |
max. |
max. |
high |
low |
max. |
||||
|
2.5 |
6 |
0 |
-8 |
10 |
8 |
6 |
10 |
6 |
15 |
Identical to △Bs and VBs of inner ring of same bearing |
|||
|
6 |
18 |
0 |
-8 |
10 |
8 |
6 |
10 |
6 |
15 |
||||
|
18 |
30 |
0 |
-9 |
12 |
9 |
7 |
12 |
7 |
15 |
||||
|
30 |
50 |
0 |
-11 |
14 |
11 |
8 |
16 |
8 |
20 |
||||
|
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 |
||||
The key to determining the bearing tolerance class lies in the specification of the shaft's rotation accuracy at the support point.
| Bore Diameter (d) | Bore Tolerance (Δdmp) |
Radial Runout (Kia) | Width Tolerance (ΔBS) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| mm | inch | all | single bearing | paired bearings | |||||
| over | incl. | over | incl. | high | low | max. | high | low | |
| 0.6 | 2.5 | 0.0236 | 0.0984 | 0 | -7 | 5 | 0 | -40 | - |
| 2.5 | 10 | 0.0984 | 0.3937 | 0 | -7 | 6 | 0 | -120 | -250 |
| 10 | 18 | 0.3937 | 0.7087 | 0 | -7 | 7 | 0 | -120 | -250 |
| 18 | 30 | 0.7087 | 1.1811 | 0 | -8 | 8 | 0 | -120 | -250 |
| 30 | 50 | 1.1811 | 1.9685 | 0 | -10 | 10 | 0 | -120 | -250 |
| 50 | 80 | 1.9685 | 3.1496 | 0 | -12 | 10 | 0 | -150 | -380 |
| 80 | 120 | 3.1496 | 4.7244 | 0 | -15 | 13 | 0 | -200 | -380 |
| 120 | 180 | 4.7244 | 7.0866 | 0 | -18 | 18 | 0 | -250 | -500 |
| 180 | 250 | 7.0866 | 9.8425 | 0 | -22 | 20 | 0 | -300 | -500 |
| 250 | 315 | 9.8425 | 12.4016 | 0 | -25 | 25 | 0 | -350 | -500 |
| 315 | 400 | 12.4016 | 15.7480 | 0 | -30 | 30 | 0 | -400 | -630 |
| Outer Diameter (D) | Outer Dia. Tolerance (Δdmp) |
Radial Runout (Kea) | Width Tolerance (ΔBS) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| mm | inch | all | single bearing | paired bearings | |||||
| over | incl. | over | incl. | high | low | max. | high | low | |
| 2.5 | 6 | 0.0984 | 0.2362 | 0 | -7 | 8 | Identical to Width Tolerance (ΔBS) of Inner Ring of the same Bearing | ||
| 6 | 18 | 0.2362 | 0.7087 | 0 | -7 | 8 | |||
| 18 | 30 | 0.7087 | 1.1811 | 0 | -8 | 9 | |||
| 30 | 50 | 1.1811 | 1.9685 | 0 | -9 | 10 | |||
| 50 | 80 | 1.9685 | 3.1496 | 0 | -11 | 13 | |||
| 80 | 120 | 3.1496 | 4.7244 | 0 | -13 | 18 | |||
| 120 | 150 | 4.7244 | 5.9055 | 0 | -15 | 20 | |||
| 150 | 180 | 5.9055 | 7.0866 | 0 | -18 | 23 | |||
| 180 | 250 | 7.0866 | 9.8425 | 0 | -20 | 25 | |||
| 250 | 315 | 9.8425 | 12.4016 | 0 | -25 | 30 | |||
| 315 | 400 | 12.4016 | 15.7480 | 0 | -28 | 35 | |||
| 400 | 500 | 15.7480 | 19.6850 | 0 | -33 | 40 | |||
| 500 | 630 | 19.6850 | 24.8031 | 0 | -38 | 50 | |||
| 630 | 800 | 24.8031 | 31.4961 | 0 | -45 | 60 | |||
| 800 | 1000 | 31.4961 | 39.3701 | 0 | -60 | 75 | |||
The key to determining the bearing tolerance class lies in the specification of the shaft's rotation accuracy at the support point.
| Bore Diameter (d) | Bore Tolerance (Δdmp) |
Radial Runout (Kia) | Width Tolerance (ΔBS) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| mm | inch | all | single bearing | paired bearings | |||||
| over | incl. | over | incl. | high | low | max. | high | low | |
| 0.6 | 2.5 | 0.0236 | 0.0984 | 0 | -5 | 4 | 0 | -40 | -250 |
| 2.5 | 10 | 0.0984 | 0.3937 | 0 | -5 | 4 | 0 | -40 | -250 |
| 10 | 18 | 0.3937 | 0.7087 | 0 | -5 | 4 | 0 | -80 | -250 |
| 18 | 30 | 0.7087 | 1.1811 | 0 | -6 | 4 | 0 | -120 | -250 |
| 30 | 50 | 1.1811 | 1.9685 | 0 | -8 | 5 | 0 | -120 | -250 |
| 50 | 80 | 1.9685 | 3.1496 | 0 | -9 | 5 | 0 | -150 | -250 |
| 80 | 120 | 3.1496 | 4.7244 | 0 | -10 | 6 | 0 | -200 | -380 |
| 120 | 180 | 4.7244 | 7.0866 | 0 | -13 | 8 | 0 | -250 | -380 |
| 180 | 250 | 7.0866 | 9.8425 | 0 | -15 | 10 | 0 | -300 | -500 |
| 250 | 315 | 9.8425 | 12.4016 | 0 | -18 | 13 | 0 | -350 | -500 |
| 315 | 400 | 12.4016 | 15.7480 | 0 | -23 | 15 | 0 | -400 | -630 |
| Outer Diameter (D) | Outer Dia. Tolerance (Δdmp) |
Radial Runout (Kea) | Width Tolerance (ΔBS) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| mm | inch | all | single bearing | paired bearings | |||||
| over | incl. | over | incl. | high | low | max. | high | low | |
| 2.5 | 6 | 0.0984 | 0.2362 | 0 | -5 | 5 | Identical to Width Tolerance (ΔBS) of Inner Ring of the same Bearing | ||
| 6 | 18 | 0.2362 | 0.7087 | 0 | -5 | 5 | |||
| 18 | 30 | 0.7087 | 1.1811 | 0 | -6 | 6 | |||
| 30 | 50 | 1.1811 | 1.9685 | 0 | -6 | 6 | |||
| 50 | 80 | 1.9685 | 3.1496 | 0 | -9 | 8 | |||
| 80 | 120 | 3.1496 | 4.7244 | 0 | -10 | 10 | |||
| 120 | 150 | 4.7244 | 5.9055 | 0 | -11 | 11 | |||
| 150 | 180 | 5.9055 | 7.0866 | 0 | -13 | 13 | |||
| 180 | 250 | 7.0866 | 9.8425 | 0 | -15 | 15 | |||
| 250 | 315 | 9.8425 | 12.4016 | 0 | -18 | 18 | |||
| 315 | 400 | 12.4016 | 15.7480 | 0 | -20 | 20 | |||
| 400 | 500 | 15.7480 | 19.6850 | 0 | -23 | 23 | |||
| 500 | 630 | 19.6850 | 24.8031 | 0 | -28 | 25 | |||
| 630 | 800 | 24.8031 | 31.4961 | 0 | -35 | 30 | |||
The key to determining the bearing tolerance class lies in the specification of the shaft's rotation accuracy at the support point.
| Bore Diameter (d) | Bore Tolerance (Δdmp) |
Radial Runout (Kia) | Width Tolerance (ΔBS) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| mm | inch | all | single bearing | paired bearings | |||||
| over | incl. | over | incl. | high | low | max. | high | low | |
| 0.6 | 2.5 | 0.0236 | 0.0984 | 0 | -4 | 2.5 | 0 | -40 | -250 |
| 2.5 | 10 | 0.0984 | 0.3937 | 0 | -4 | 2.5 | 0 | -40 | -250 |
| 10 | 18 | 0.3937 | 0.7087 | 0 | -4 | 2.5 | 0 | -80 | -250 |
| 18 | 30 | 0.7087 | 1.1811 | 0 | -5 | 3 | 0 | -120 | -250 |
| 30 | 50 | 1.1811 | 1.9685 | 0 | -6 | 4 | 0 | -120 | -250 |
| 50 | 80 | 1.9685 | 3.1496 | 0 | -7 | 4 | 0 | -150 | -250 |
| 80 | 120 | 3.1496 | 4.7244 | 0 | -8 | 5 | 0 | -200 | -380 |
| 120 | 180 | 4.7244 | 7.0866 | 0 | -10 | 6 | 0 | -250 | -380 |
| 180 | 250 | 7.0866 | 9.8425 | 0 | -12 | 8 | 0 | -300 | -500 |
| Outer Diameter (D) | Outer Dia. Tolerance (Δdmp) |
Radial Runout (Kea) | Width Tolerance (ΔBS) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| mm | inch | all | single bearing | paired bearings | |||||
| over | incl. | over | incl. | high | low | max. | high | low | |
| 2.5 | 6 | 0.0984 | 0.2362 | 0 | -4 | 3 | Identical to Width Tolerance (ΔBS) of Inner Ring of the same Bearing | ||
| 6 | 18 | 0.2362 | 0.7087 | 0 | -4 | 3 | |||
| 18 | 30 | 0.7087 | 1.1811 | 0 | -5 | 4 | |||
| 30 | 50 | 1.1811 | 1.9685 | 0 | -6 | 5 | |||
| 50 | 80 | 1.9685 | 3.1496 | 0 | -7 | 5 | |||
| 80 | 120 | 3.1496 | 4.7244 | 0 | -8 | 6 | |||
| 120 | 150 | 4.7244 | 5.9055 | 0 | -9 | 7 | |||
| 150 | 180 | 5.9055 | 7.0866 | 0 | -10 | 8 | |||
| 180 | 250 | 7.0866 | 9.8425 | 0 | -11 | 10 | |||
| 250 | 315 | 9.8425 | 12.4016 | 0 | -13 | 11 | |||
| 315 | 400 | 12.4016 | 15.7480 | 0 | -15 | 13 | |||
The key to determining the bearing tolerance class lies in the specification of the shaft's rotation accuracy at the support point.
| Bore Diameter (d) | Bore Tolerance (Δdmp) |
Radial Runout (Kia) | Width Tolerance (ΔBS) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| mm | inch | all | single bearing | paired bearings | |||||
| over | incl. | over | incl. | high | low | max. | high | low | |
| 0.6 | 2.5 | 0.0236 | 0.0984 | 0 | -2.5 | 1.5 | 0 | -40 | -250 |
| 2.5 | 10 | 0.0984 | 0.3937 | 0 | -2.5 | 1.5 | 0 | -40 | -250 |
| 10 | 18 | 0.3937 | 0.7087 | 0 | -2.5 | 1.5 | 0 | -80 | -250 |
| 18 | 30 | 0.7087 | 1.1811 | 0 | -2.5 | 2.5 | 0 | -120 | -250 |
| 30 | 50 | 1.1811 | 1.9685 | 0 | -2.5 | 2.5 | 0 | -120 | -250 |
| 50 | 80 | 1.9685 | 3.1496 | 0 | -4 | 2.5 | 0 | -150 | -250 |
| 80 | 120 | 3.1496 | 4.7244 | 0 | -5 | 2.5 | 0 | -200 | -380 |
| 120 | 150 | 4.7244 | 5.9055 | 0 | -7 | 2.5 | 0 | -250 | -380 |
| 150 | 180 | 5.9055 | 7.0866 | 0 | -7 | 5 | 0 | -250 | -380 |
| 180 | 250 | 7.0866 | 9.8425 | 0 | -8 | 5 | 0 | -300 | -500 |
| Outer Diameter (D) | Outer Dia. Tolerance (Δdmp) |
Radial Runout (Kea) | Width Tolerance (ΔBS) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| mm | inch | all | single bearing | paired bearings | |||||
| over | incl. | over | incl. | high | low | max. | high | low | |
| 2.5 | 6 | 0.0984 | 0.2362 | 0 | -2.5 | 1.5 | Identical to Width Tolerance (ΔBS) of Inner Ring of the same Bearing | ||
| 6 | 18 | 0.2362 | 0.7087 | 0 | -2.5 | 1.5 | |||
| 18 | 30 | 0.7087 | 1.1811 | 0 | -4 | 2.5 | |||
| 30 | 50 | 1.1811 | 1.9685 | 0 | -4 | 2.5 | |||
| 50 | 80 | 1.9685 | 3.1496 | 0 | -4 | 4 | |||
| 80 | 120 | 3.1496 | 4.7244 | 0 | -5 | 5 | |||
| 120 | 150 | 4.7244 | 5.9055 | 0 | -5 | 5 | |||
| 150 | 180 | 5.9055 | 7.0866 | 0 | -7 | 5 | |||
| 180 | 250 | 7.0866 | 9.8425 | 0 | -8 | 7 | |||
| 250 | 315 | 9.8425 | 12.4016 | 0 | -8 | 7 | |||
| 315 | 400 | 12.4016 | 15.7480 | 0 | -10 | 8 | |||
The key to determining the bearing tolerance class lies in the specification of the shaft's rotation accuracy at the support point.
Please provide your question. We’ll find you with the best support options.