ENGINEERING FITTING PRACTICE TABLES These charts are guidelines for specifying shaft and housing fits related to particular operating conditions.
SPHERICAL ROLLER BEARING SHAFT TOLERANCES TABLE 9. SPHERICAL ROLLER BEARINGS – SHAFT TOLERANCES Bearing Bore Nominal (Max.) Over
Incl.
mm in.
mm in.
3.000 0.1181
g6
Tolerance(1)
Shaft Diameter Max.
Min.
mm in.
mm in.
mm in.
6.000 0.2362
-0.008 -0.003
-0.004 -0.0002
-0.012 -0.0005
6.000 0.2362
10.000 0.3937
-0.008 -0.003
-0.005 -0.0002
-0.014 -0.0006
10.000 0.3937
18.000 0.7087
-0.008 -0.003
-0.006 -0.0002
-0.017 -0.0007
18.000 0.7087
30.000 1.1811
-0.010 -0.0004
-0.007 -0.0003
-0.020 -0.0008
30.000 1.1811
50.000 1.9685
-0.014 -0.0006
-0.009 -0.0004
-0.025 -0.0010
50.000 1.9685
80.000 3.1496
-0.015 -0.0006
-0.010 -0.0004
-0.029 -0.0011
80.000 3.1496
120.000 4.7244
-0.020 -0.0008
-0.012 -0.0005
-0.034 -0.0013
120.000 4.7244
180.000 7.0866
-0.025 -0.0010
-0.014 -0.0006
-0.039 -0.0015
180.000 7.0866
200.000 7.8740
-0.030 -0.0012
-0.015 -0.0006
-0.044 -0.0017
200.000 7.8740
225.000 8.8583
-0.030 -0.0012
-0.015 -0.0006
-0.044 -0.0017
225.000 8.8583
250.000 9.8425
-0.030 -0.0012
-0.015 -0.0006
-0.044 -0.0017
250.000 9.8425
280.000 11.0236
-0.035 -0.0014
-0.017 -0.0007
-0.049 -0.0019
h6 Fit mm in. 0.012L 0.004T 0.0005L 0.0001T 0.014L 0.003T 0.0006L 0.0001T 0.017L 0.002T 0.0007L -0.0001T 0.020L 0.003T 0.0008L 0.0001T 0.025L 0.003T 0.0010L 0.0001T 0.029L 0.005T 0.0011L 0.0002T 0.034L 0.008T 0.0013L 0.0003T 0.039L 0.011T 0.0015L 0.0004T 0.044T 0.015T 0.0017L 0.0006T 0.044T 0.015T 0.0017L 0.0006T 0.044T 0.015T 0.0017L 0.0006T 0.049L 0.018T 0.0019L 0.0007T
h5
Shaft Diameter Max.
Min.
mm in.
mm in.
0.000 0.0000
-0.008 -0.003
0.000 0.0000
-0.009 -0.0004
0.000 0.0000
-0.011 -0.0004
0.000 0.0000
-0.013 -0.0005
0.000 0.0000
-0.016 -0.0006
0.000 0.0000
-0.019 -0.0007
0.000 0.0000
-0.022 -0.0009
0.000 0.0000
-0.025 -0.0010
0.000 0.0000
-0.029 -0.0011
0.000 0.0000
-0.029 -0.0011
0.000 0.0000
-0.029 -0.0011
0.000 0.0000
-0.032 -0.0013
Fit mm in. 0.008L 0.008T 0.0003L 0.0003T 0.009L 0.008T 0.0004L 0.0003T 0.011L 0.008T 0.0004L 0.0003T 0.013L 0.010T 0.0005L 0.0004T 0.016L 0.012T 0.0006L 0.0005T 0.019L 0.015T 0.0007L 0.0006T 0.022L 0.020T 0.0009L 0.0008T 0.025L 0.025T 0.0010L 0.0010T 0.029L 0.030T 0.0011L 0.0012T 0.029L 0.030T 0.0011L 0.0012T 0.029L 0.030T 0.0011L 0.0012T 0.032L 0.035T 0.0013L 0.0014T
NOTE: Tolerance and shaft diameters are shown in the table as variances from nominal bearing bore. (1)
Tolerance range is from +0 to value listed.
28
TIMKEN SPHERICAL ROLLER BEARING CATALOG
Shaft Diameter Max.
Min.
mm in.
mm in.
0.000 0.0000
-0.005 -0.0002
0.000 0.0000
-0.006 -0.0002
0.000 0.0000
-0.008 -0.0003
–
–
–
j5 Fit
Shaft Diameter Max.
Min.
mm in.
mm in.
+0.003 +0.0001
-0.002 -0.0001
+0.004 +0.0002
-0.002 -0.0001
+0.005 +0.0002
-0.003 -0.0001
–
+0.005 +0.0002
-0.004 -0.0002
–
–
+0.006 +0.0002
-0.005 -0.0002
–
–
–
+0.006 +0.0002
-0.007 -0.0003
–
–
–
+0.006 +0.0002
-0.009 -0.0004
–
–
–
+0.007 +0.0003
-0.011 -0.0004
–
–
–
+0.007 +0.0003
-0.013 -0.0005
–
–
–
+0.007 +0.0003
-0.013 -0.0005
–
–
–
+0.007 +0.0003
-0.013 -0.0005
–
–
–
+0.007 +0.0003
-0.016 -0.0006
mm in. 0.005L 0.008T 0.0002L 0.0003T 0.006L 0.008T 0.0002L 0.0003T 0.008L 0.008T 0.0003L 0.0003T
Fit mm in. 0.002L 0.011T 0.0001L 0.0004T 0.002L 0.012T 0.0001L -0.0005T 0.003L 0.013T 0.0001L 0.0005T 0.004L 0.015T 0.0002L 0.0006T 0.005L 0.018T 0.0002L 0.0007T 0.007L 0.021T 0.0003L 0.0008T 0.009L 0.026T 0.0004L 0.0010T 0.011L 0.032T 0.0004L 0.0013T 0.013L 0.037T 0.0005L 0.0015T 0.013L 0.037T 0.0005L 0.0015T 0.013L 0.037T 0.0005L 0.0015T 0.016L 0.042T 0.0006L 0.0017T