Acetal - Precision - Technical

Precision - Acetal Bearings

This table covers tolerances for bearings made from Acetal with Glass or Stainless Steel Balls

Dimensions are in 0.001 mm (thousandths of a mm)
1 mm = 0.03937 of an inch. 1 micron (um) = 0.00003937 of an inch
To obtain the tolerance in inches multiply the figure shown by 0.00003937
eg. 76.2 um x 0.0000397 = 0.002999994 inches (about 3 thou.)

Bearing Size Tolerance in um
Bore <= 19.050 mm 0.000 / +76.200
Bore > 19.050 mm 0.000 / +101.600
OD <= 25.400 mm -76.200 / 0.000
OD > 25.400 and <= 41.275 -101.600 / 0.000
OD > 41.275 and <= 50.800 -127.000 / 0.000
OD > 50.800 -152.400 / 0.000
Width 0.000 / +127.000

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