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HobbyParts Acetal - Precision - Technical Information
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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Tables and information on this web site should be read as a general guide only. The relevant standards should be consulted to ensure the accuracy of information presented.
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