Timken Spherical Roller Bearing Catalog

ENGINEERING
FITTING PRACTICE TABLES
These charts are guidelines for specifying shaft and housing fits related to particular operating conditions.
Continued from previous page.
Bearing O.D. M6 M7 N6
Nominal (Max.)
Housing Bore
Housing Bore
Housing Bore
Tolerance (1)
Fit
Fit
Over Incl. Max. Min. Max. Min. Max. Min.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
0.080T 0.110T 0.100T
630.000 800.000 -0.075 -0.030 -0.080 0.045L -0.030 -0.110 0.045L -0.050 -0.100 0.025T
24.8032 31.4961 -0.0030 -0.0012 -0.0031 0.0031T -0.0012 -0.0043 0.0043T -0.0020 -0.0039 0.0039T
0.0018L 0.0018L 0.0010T
0.090T 0.124T 0.112T
800.000 1000.000 -0.100 -0.034 -0.090 0.066L -0.034 -0.124 0.066L -0.056 -0.112 0.044T
31.4961 39.3701 -0.0039 -0.0013 -0.0035 0.0035T -0.0013 -0.0049 0.0049T -0.0022 -0.0044 0.0044T
0.0026L 0.0026L 0.0017T
0.106T 0.145T 0.132T
1000.000 1250.000 -0.125 -0.040 -0.106 0.085L -0.040 -0.145 0.085L -0.066 -0.132 0.059T
39.3701 49.2126 -0.0049 -0.0016 -0.0042 0.0042T -0.0016 -0.0057 0.0057T -0.0026 -0.0052 0.0052T
0.0033L 0.0033L 0.0023T
0.126T 0.173T 0.156T
1250.000 1600.000 -0.160 -0.048 -0.126 0.112L -0.048 -0.173 0.112L -0.078 -0.156 0.082T
49.2126 62.9921 -0.0063 -0.0019 -0.0050 0.0050T -0.0019 -0.0068 0.0068T -0.0031 -0.0061 0.0061T
0.0044L 0.0044L 0.0032T
0.150T 0.208T 0.184T
1600.000 2000.000 -0.200 -0.058 -0.150 0.142L -0.058 -0.208 0.142L -0.092 -0.184 0.108T
62.9921 78.7402 -0.0079 -0.0023 -0.0059 0.0059T -0.0023 -0.0082 0.0082T -0.0036 -0.0072 0.0072T
0.0056L 0.0056L 0.0043T
0.178T 0.243 0.285T
2000.000 2500.000 -0.250 -0.068 -0.178 0.182L -0.068 -0.243 0.182L -0.110 -0.220 0.140T
78.7402 98.4252 -0.0098 -0.0027 -0.0070 0.0070T -0.0027 -0.0096 0.0096T -0.0043 -0.0087 0.112T
0.0071L 0.0071L 0.055T
NOTE: Tolerance and shaft diameters are shown in the table as variances from nominal bearing O.D.
(1)
Tolerance range is from +0 to value listed.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
Fit
mm
in.
40 TIMKEN SPHERICAL ROLLER BEARING CATALOG