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Fitting Practice

Shaft O.D. Tolerance

Bearing Bore Bearing Bore Tolerance Shaft OD Tolerance Resultant Fit
from
mm
to
mm

¦Ìm

¦Ìm

¦Ìm

25 180

0
+5

+15
+10

15T
5T

+180 506

0
+10

+25
+15

25T
5T

T = Tight


Housing Bore Tolerance - Plain & C Type

Bearing OD Bearing OD Tolerance Housing Bore Tolerance Resultant Fit
from
mm
to
mm

¦Ìm

¦Ìm

¦Ìm

52 260

+5
0

-15
-5

20T
5T

+260 636

+10
0

-15
-5

25T
5T

T = Tight


Housing Bore Tolerance - H, G and P Type

Bearing OD Bearing OD Tolerance Housing Bore Tolerance Resultant Fit
from
mm
to
mm

¦Ìm

¦Ìm

¦Ìm

52 260

+5
0

+10
+20

5L
20L

+260 636

+10
0

+15
+25

5L
25L

L = Loose


Assembled Bearing Maximum Runouts

Fitting Practice
Bearing Bore A
Inner Ring
B
Outer Ring
C
Face Camming
from
mm
to
mm
¦Ìm ¦Ìm ¦Ìm
25 180

1,5

3,0

3,0

+180 506

4,0

6,0

8,0

T = Tight