Tolerance Tables for Ball Bearings

Inner Ring Tolerances:

(a)  Inner Ring and Width – up to 2.5 mm bore      (Tolerances in .001 mm)

Grade

Mean Bore Deviation

Single Bore Variation

Mean Bore Variation

Width Deviation

Width Variation

Radial Runout

Face Runout/

Bore

Face Runout/

Raceway

67,68,69 series

60

series

62, 63

series

P0

+0/-8

10

8

6

6

+0 /-40

12

10

_

_

P6

+0/-7

9

7

5

5

+0 /-40

12

5

_

_

P5

+0/-5

5

4

4

3

+0 /-40

5 (1)

4

7

7

P4

+0/-4

4

3

3

2

+0 /-40

2.5 (1)

2.5

3

3

(1) applies to inner ring only

(b)  Inner Ring and Width – over 2.5mm to 10mm bore      (Tolerances in .001 mm)

Grade

Mean Bore Deviation

Single Bore Variation

Mean Bore Variation

Width Deviation

Width Variation

Radial Runout

Face Runout/

Bore

Face Runout/

Raceway

67,68,69 series

60

series

62, 63

series

P0

+0/-8

10

8

6

6

+0 /-120

15

10

_

_

P6

+0/-7

9

7

5

5

+0 /-120

15

6

_

_

P5

+0/-5

5

4

4

3

+0 /-40

5 (1)

4

7

7

P4

+0/-4

4

3

3

2

+0 /-40

2.5 (1)

2.5

3

3

 

(1) applies to inner ring only

(c)  Inner Ring and Width – over 10mm to 18mm bore      (Tolerances in .001 mm)

Grade

Mean Bore Deviation

Single Bore Variation

Mean Bore Variation

Width Deviation

Width Variation

Radial Runout

Face Runout/

Bore

Face Runout/

Raceway

67,68,69 series

60

series

62, 63

series

P0

+0/-8

10

8

6

6

+0 /-120

20

10

_

_

P6

+0/-7

9

7

5

5

+0 /-120

20

7

_

_

P5

+0/-5

5

4

4

3

+0 /-80

5 (1)

4

7

7

P4

+0/-4

4

3

3

2

+0 /-80

2.5 (1)

2.5

3

3

(1) applies to inner ring only

(d)  Inner Ring and Width – over 18mm to 30mm bore      (Tolerances in .001 mm)

Grade

Mean Bore Deviation

Single Bore Variation

Mean Bore Variation

Width Deviation

Width Variation

Radial Runout

Face Runout/

Bore

Face Runout/

Raceway

67,68,69 series

60

series

62, 63

series

P0

+0/-10

13

10

8

8

+0 /-120

20

13

_

_

P6

+0/-8

10

8

6

6

+0 /-120

20

8

_

_

P5

+0/-6

6

5

5

3

+0 /-120

5 (1)

4

8

8

P4

+0/-5

5

4

4

2.5

+0 /-120

2.5 (1)

3

4

4

 

(1) applies to inner ring only

(e)  Inner Ring and Width – over 30mm to 50mm bore      (Tolerances in .001 mm)

Grade

Mean Bore Deviation

Single Bore Variation

Mean Bore Variation

Width Deviation

Width Variation

Radial Runout

Face Runout/

Bore

Face Runout/

Raceway

67,68,69 series

60

series

62, 63

series

P0

+0/-12

15

12

9

9

+0 /-120

20

15

_

_

P6

+0/-10

13

10

8

8

+0 /-120

20

10

_

_

P5

+0/-8

8

6

6

4

+0 /-120

5 (1)

5

8

8

P4

+0/-6

6

5

5

3

+0 /-120

3 (1)

4

4

4

(1) applies to inner ring only

(f)  Inner Ring and Width – over 50mm to 80mm bore      (Tolerances in .001 mm)

Grade

Mean Bore Deviation

Single Bore Variation

Mean Bore Variation

Width Deviation

Width Variation

Radial Runout

Face Runout/

Bore

Face Runout/

Raceway

67,68,69 series

60

series

62, 63

series

P0

+0/-15

19

19

11

11

+0 /-150

25

20

_

_

P6

+0/-12

15

15

9

9

+0 /-150

25

10

_

_

P5

+0/-9

9

7

7

5

+0 /-150

6 (1)

5

8

8

P4

+0/-7

7

5

5

3.5

+0 /-150

4 (1)

4

5

5

 

(1) applies to inner ring only

(f)  Inner Ring and Width – over 80mm to 120mm bore      (Tolerances in .001 mm)

Grade

Mean Bore Deviation

Single Bore Variation

Mean Bore Variation

Width Deviation

Width Variation

Radial Runout

Face Runout/

Bore

Face Runout/

Raceway

67,68,69 series

60

series

62, 63

series

P0

+0/-20

25

25

15

15

+0/-200

25

25

_

_

P6

+0/-15

19

19

11

11

+0/-200

25

13

_

_

P5

+0/-10

10

8

8

5

+0/-200

7 (1)

6

9

9

P4

+0/-8

8

6

6

4

+0/-200

4 (1)

5

5

5

 

(1) applies to inner ring only

Outer Ring Tolerances:

(g)  outer ring up to 6mm O.D.           (Tolerances in .001 mm)

Grade

Mean O.D. Deviation

Single O.D. Variation

Mean O.D. Variation

Width Variation

Radial Runout

Face Runout/ O.D.

Face Runout/

Raceway

67,68,69

series open

60 series

open

62,63

series

open

60,62,63

shielded

P0

+0/-8

10

8

6

10

6

(2)

15

_

_

P6

+0/-7

9

7

5

9

5

(2)

8

_

_

P5

+0/-5

5

4

4

_

3

5

5

8

8

P4

+0/-4

4

3

3

_

2

2.5

3

4

5

(2) same as inner ring value

(h) Outer Ring– over 6mm up to 18mm O.D.    (Tolerances in .001 mm)

Grade

Mean O.D. Deviation

Single O.D. Variation

Mean O.D. Variation

Width Variation

Radial Runout

Face Runout/ O.D.

Face Runout/

Raceway

67,68,69

series open

60 series

open

62,63

series

open

60,62,63

series

shielded

P0

+0/-8

10

8

6

10

6

(2)

15

_

_

P6

+0/-7

9

7

5

9

5

(2)

8

_

_

P5

+0/-5

5

4

4

_

3

5

5

8

8

P4

+0/-4

4

3

3

_

2

2.5

3

4

5

(2) same as inner ring value

(i) Outer Ring– over 18mm up to 30mm O.D.    (Tolerances in .001 mm)

Grade

Mean O.D. Deviation

Single O.D. Variation

Mean O.D. Variation

Width Variation

Radial Runout

Face Runout/ O.D.

Face Runout/

Raceway

67,68,69

series open

60 series

open

62,63

series

open

60,62,63

series

shielded

P0

+0/-9

12

9

7

12

7

(2)

15

_

_

P6

+0/-8

10

8

6

10

6

(2)

9

_

_

P5

+0/-6

6

5

5

_

3

5

6

8

8

P4

+0/-5

5

4

4

_

2.5

2.5

4

4

5

 

(2) same as inner ring value

(j) Outer Ring– over 30mm up to 50mm O.D.    (Tolerances in .001 mm)

Grade

Mean O.D. Deviation

Single O.D. Variation

Mean O.D. Variation

Width Variation

Radial Runout

Face Runout/ O.D.

Face Runout/

Raceway

67,68,69

series open

60 series

open

62,63

series

open

60,62,63

series

shielded

P0

+0/-11

14

11

8

16

8

(2)

20

_

_

P6

+0/-9

11

9

7

13

7

(2)

10

_

_

P5

+0/-7

7

5

5

_

4

5

7

8

8

P4

+0/-6

6

5

5

_

3

2.5

5

4

5

(2) same as inner ring value

(k) Outer Ring– over 50mm up to 80mm O.D.    (Tolerances in .001 mm)

Grade

Mean O.D. Deviation

Single O.D. Variation

Mean O.D. Variation

Width Variation

Radial Runout

Face Runout/ O.D.

Face Runout/

Raceway

67,68,69

series open

60 series

open

62,63

series

open

60,62,63

series

shielded

P0

+0/-13

16

13

10

20

10

(2)

25

_

_

P6

+0/-11

14

11

8

16

8

(2)

13

_

_

P5

+0/-9

9

7

7

_

5

6

8

8

10

P4

+0/-7

7

5

5

_

3.5

3

5

4

5

 

(2) same as inner ring value

(l) Outer Ring - over 80mm up to 120mm O.D.    (Tolerances in .001mm)

Grade

Mean O.D. Deviation

Single O.D. Variation

Mean O.D. Variation

Width Variation

Radial Runout

Face Runout/ O.D.

Face Runout/

Raceway

67,68,69

series open

60 series

open

62,63

series

open

60,62,63

series

shielded

P0

+0/-15

19

19

11

26

11

(2)

35

_

_

P6

+0/-13

16

16

10

20

10

(2)

18

_

_

P5

+0/-10

10

8

8

_

5

8

10

9

11

P4

+0/-8

8

6

6

_

4

4

6

5

6

(2) same as inner ring value

Flange Tolerances:

(m) Flange OD - up to 18mm outer ring diameter   (Tolerances in .001 mm)

Grade

Mean O.D. Deviation

P0

+125 / -50

P6

+125 / -50

P5

+0 / -25

P4

+0 / -25

(n) Flange OD - over 18mm up to 30mm outer ring diameter   (Tolerances in .001 mm)

Grade

Mean O.D. Deviation

P0

+330 / -52

P6

+330 / -52

P5

+0 / -52

P4

+0 / -52

(o) Flange OD - over 30mm up to 50mm outer ring diameter   (Tolerances in .001 mm)

Grade

Mean O.D. Deviation

P0

+390 / -62

P6

+390 / -62

P5

+0 / -62

P4

+0 / -62

 

(p) Flange width - up to 10mm bore   (Tolerances in .001 mm)

Grade

Mean Width Deviation

P0

+0 / -50

P6

+0 / -50

P5

+0 / -50

P4

+0 / -50

 

(q) Flange width - over 10mm up to 18mm bore   (Tolerances in .001 mm)

Grade

Mean Width Deviation

P0

+0 / -120

P6

+0 / -120

P5

+0 / -80

P4

+0 / -80

 

(r) Flange width - over 18mm up to 50mm bore   (Tolerances in .001 mm)

Grade

Mean Width Deviation

P0

+0 / -120

P6

+0 / -120

P5

+0 / -120

P4

+0 / -120

 

Thrust Bearing Tolerances:

(n) All Sizes   (Tolerances in .001mm)

Grade

Mean Bore Deviation

Mean Bore2 Deviation

Mean O.D. Deviation

Mean O.D. 2 Deviation

Mean Height Deviation

P0

+0 / -8

+0 / -50

+0 / -11

-5 / -20

+0 / -75

Our determination to remain specialised gives us a high level of product knowledge, providing bearing and lubrication solutions to existing or potential customers, whether individuals or large corporations. We don’t just sell bearings, we help to solve your problems. - Chris Johnson, managing director of SMB Bearings.