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ENGINEERING<br />
MOUNTING DESIGN, FITTING PRACTICE and SETTING<br />
TABLE 25. Precision Class TXR Tapered Roller <strong>Bearings</strong> - Shaft Diameter<br />
TXR Classes 3 and 0 (Inch)<br />
Over<br />
mm<br />
in.<br />
Bearing Bore Class 3 Class 0<br />
Range<br />
Incl.<br />
mm<br />
in.<br />
Max. Min. Max. Min.<br />
mm<br />
in.<br />
– 304.800 0.037T 0.013T 0.020T 0.007T<br />
– 12.0000 0.0015T 0.0005T 0.0008T 0.0003T<br />
304.800 609.600 0.077T 0.025T 0.037T 0.013T<br />
12.0000 24.0000 0.0030T 0.0010T 0.0015T 0.0005T<br />
609.600 914.400 0.114T 0.037T – –<br />
24.0000 36.0000 0.0045T 0.0015T – –<br />
914.400 1219.200 0.152T 0.051T – –<br />
36.0000 48.0000 0.0060T 0.0020T – –<br />
1219.200 – 0.191T 0.064T – –<br />
48.0000 – 0.0075T 0.0025T – –<br />
mm<br />
in.<br />
mm<br />
in.<br />
mm<br />
in.<br />
TABLE 26. Precision Class TXR Tapered Roller <strong>Bearings</strong> - Housing Bore<br />
TXR Classes 3 and 0 (Inch)<br />
Over<br />
mm<br />
in.<br />
Bearing Bore Class 3 Class 0<br />
Range<br />
Incl.<br />
mm<br />
in.<br />
Max. Min. Max. Min.<br />
mm<br />
in.<br />
– 304.800 0.037T 0.013T 0.020T 0.007T<br />
– 12.0000 0.0015T 0.0005T 0.0008T 0.0003T<br />
304.800 609.600 0.077T 0.025T 0.037T 0.013T<br />
12.0000 24.0000 0.0030T 0.0010T 0.0015T 0.0005T<br />
609.600 914.400 0.114T 0.037T – –<br />
24.0000 36.0000 0.0045T 0.0015T – –<br />
914.400 1219.200 0.152T 0.051T – –<br />
36.0000 48.0000 0.0060T 0.0020T – –<br />
1219.200 – 0.191T 0.064T – –<br />
48.0000 – 0.0075T 0.0025T – –<br />
mm<br />
in.<br />
mm<br />
in.<br />
mm<br />
in.<br />
TIMKEN ® THRUST BEARING CATALOG 49
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