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<strong>Timken</strong> ® SAF SPLIT-BLOCK HOUSED UNITS<br />
Engineering • Fitting Practice Tables<br />
These charts are guidelines for specifying shaft and housing fits related to particular operating conditions in table D-6 on page D-15.<br />
Continued from previous page.<br />
Bearing Bore m6 n6 p6 r6 r7<br />
Nominal (Max.)<br />
Shaft Dia.<br />
Shaft Dia.<br />
Shaft Dia.<br />
Shaft Dia.<br />
Shaft Dia.<br />
Tolerance (1)<br />
Fit<br />
Fit<br />
Fit<br />
Fit<br />
Over Incl. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min.<br />
mm<br />
in.<br />
mm<br />
in.<br />
mm<br />
in.<br />
mm<br />
in.<br />
mm<br />
in.<br />
mm<br />
in.<br />
mm<br />
in.<br />
mm<br />
in.<br />
mm<br />
in.<br />
355.000 400.000 -0.040 +0.073 +0.037 0.113T +0.098 +0.062 0.138T +0.150 +0.114 0.190T +0.171 +0.114 0.211T<br />
– – –<br />
13.9764 15.7480 -0.0016 +0.0029 +0.0015 0.0015T +0.0039 +0.0024 0.0024T +0.0059 +0.0045 0.0045T +0.0067 +0.0045 0.0045T<br />
mm<br />
in.<br />
mm<br />
in.<br />
mm<br />
in.<br />
mm<br />
in.<br />
0.037T 0.062T 0.114T 0.114T<br />
0.0045T 0.0055T 0.0075T 0.0083T<br />
0.040T 0.068T 0.126T 0.126T<br />
400.000 450.000 -0.045 +0.080 +0.040 0.125T +0.108 +0.068 0.153T +0.166 +0.126 0.211T +0.189 +0.126 0.234T<br />
– – –<br />
15.7480 17.7165 -0.0018 +0.0031 +0.0016 0.0016T +0.0043 +0.0027 0.0027T +0.0065 +0.0050 0.0050T +0.0074 +0.0050 0.0050T<br />
0.0049T 0.0061T 0.0083T 0.0092T<br />
450.000 500.000 -0.045 +0.080 +0.040 0.125T +0.108 +0.068 0.153T +0.172 +0.132 0.217T +0.195 +0.132 0.240T<br />
– – –<br />
17.7165 19.6850 -0.0018 +0.0031 +0.0016 0.0016T +0.0043 +0.0027 0.0027T +0.0068 +0.0052 0.0052T +0.0077 +0.0052 0.0052T<br />
(1)<br />
Tolerance range is from +0 to value listed.<br />
NOTE: Tolerance and shaft diameters are shown in the table as variances from nominal bearing bore.<br />
0.040T 0.068T 0.132T 0.132T<br />
0.0049T 0.0061T 0.0086T 0.0095T<br />
mm<br />
in.<br />
mm<br />
in.<br />
mm<br />
in.<br />
mm<br />
in.<br />
Fit<br />
mm<br />
in.<br />
TIMKEN ® HOUSED UNIT CATALOG D-21