Tolerances

Inner ring, outer ring and ring width tolerance ranges for ABT deep groove radial ball bearings (ABEC 1) are shown in the tables below.

Inner Ring Tolerance (Metric and Inch)

MM INCHES
Bore Diameter (d) Tolerance Bore Diameter (d) Tolerance
Over Inc. + - Over Inc. + -
2.51800.0080.9840.708700.0003
183000.10.70871.18100.0004
305000.0121.1811.96800.00045
508000.0151.9683.1500.0006
8012000.023.154.72400.0008

Outer Ring Tolerance (Metric and Inch)

MM INCHES
Bore Diameter (d) Tolerance Bore Diameter (d) Tolerance
Over Inc. + - Over Inc. + -
61800.0080.2360.70900.0003
183000.0090.7091.18100.0004
305000.011.1811.96800.0004
508000.0131.9683.1500.0005
8012000.0153.154.72400.0006
12015000.0184.7245.90600.0007
15018000.0255.9067.08700.001
18025000.037.0879.84300.0012

Ring Width Tolerance (Metric and Inch)

MM INCHES
Bore Diameter (d) Tolerance Bore Diameter (d) Tolerance
Over Inc. + - Over Inc. + -
2.55000.120.1200.0047
508000.1523.100.0059
8012000.23.14.700.0079