Timken Super Precision Bearings for Machine Tool Applications

ENGINEERING
A
TOLERANCES – continued
INCH SYSTEM BEARINGS - continued
Bearing
types
TXR
Inch bearing tolerances
Outer race
Precision bearing class
O.D.
3 0
Over Incl.
Max. Min. Max. Min.
mm mm mm mm mm mm
in.
in.
in.
in.
in.
in.
– 304.800 0.025 0.000 0.127 0.000
– 12.0000 0.0010 0.0000 0.0005 0.0000
304.800 609.600 0.051 0.000 0.025 0.000
12.0000 24.0000 0.0020 0.0000 0.0010 0.0000
609.600 914.400 0.076 0.000 – –
24.0000 36.000 0.0030 0.0000 – –
914.400 1219.200 0.102 0.000 – –
36.0000 48.0000 0.0040 0.0000 – –
1219.200 1524.000 0.127 0.000 – –
48.0000 60.0000 0.0050 0.0000 – –
1524.000 – 0.127 0.000 – –
60.0000 – 0.0050 0.0000 – –
Bearing
types
TXR
Inch bearing tolerances
Inner race
Precision bearing class
Bore
3 0
Over Incl.
Max. Min. Max. Min.
mm mm mm mm mm mm
in.
in.
in.
in.
in.
in.
– 76.200 0.013 0.000 0.013 0.000
– 3.0000 0.0005 0.0000 0.0005 0.0000
76.200 304.800 0.025 0.000 0.013 0.000
3.0000 12.0000 0.0010 0.0000 0.0005 0.0000
304.800 609.600 0.051 0.000 0.025 0.000
12.0000 24.0000 0.0020 0.0000 0.0010 0.0000
609.600 914.400 0.076 0.000 – –
24.0000 36.0000 0.0030 0.0000 – –
914.400 1219.200 0.102 0.000 – –
36.0000 48.0000 0.0040 0.0000 – –
1219.200 – 0.127 0.000 – –
48.0000 – 0.0050 0.0000 – –
76 TIMKEN MACHINE TOOL CATALOG