BEARING TOLERANCES

RADIAL BEARINGS - METRIC (Except Metric Tapered Roller Bearings)

Outer Ring
Nominal O.D.			Outside Diameter Tolerances					Width Tolerances				Radial
Diameter												Runout
(Metric)					(Inch)			(Inch)				(Inch)
D				Dm					B
Over	Incl.		High		Low			Maximum		Minimum		Maximum
Tolerance Class - STANDARD (ABEC-1)
6	18		+.0000		-.0003							.0006
18	30		+.0000		-.00035			Tolerances are identicalto those of inner ring of the the same bearing				.0006
30	50		+.0000		-.0004							.0008
50	80		+.0000		-.0005							.0010
80	120		+.0000		-.0006							.0014
120	150		+.0000		-.0007							.0016
150	180		+.0000		-.0010							.0018
180	250		+.0000		-.0012							.0020
250	315		+.0000		-.0014							.0024
315	400		+.0000		-.0016							.0028
400	500		+.0000		-.0018							.0032
500	630		+.0000		-.0020							.0039
630	800		+.0000		-.00295							.0047
800	1000		+.0000		-.0039							.0047
Outer Ring
Nominal O.D.			Outside Diameter Tolerances					Width Tolerances				Radial
Diameter												Runout
(Metric)					(Inch)			(Inch)				(Inch)
D				Dm					B
Over	Incl.		High		Low			Maximum		Minimum		Maximum
Tolerance Class - P/6 (ABEC-3)
6	18		+.0000		-.0003			Tolerances are identicalto those of inner ring of the the same bearing				.0003
18	30		+.0000		-.0003							.00035
30	50		+.0000		-.00035							.0004
50	80		+.0000		-.0004							.0005
80	120		+.0000		-.0005							.0007
120	150		+.0000		-.0006							.0008
150	180		+.0000		-.0007							.0009
180	250		+.0000		-.0008							.0010
250	315		+.0000		-.0010							.0012
315	400		+.0000		-.0011							.0014
400	500		+.0000		-.0013							.0016
500	630		+.0000		-.0015							.0020
630	800		+.0000		-.0018							.0024
Outer Ring
Nominal O.D.			Outside Diameter Tolerances					Width Tolerances				Radial
Diameter												Runout
(Metric)					(Inch)			(Inch)				(Inch)
D				Dm					B
Over	Incl.		High		Low			Maximum		Minimum		Maximum
Tolerance Class - P/5 (ABEC-5)
6	18		+.0000		-.0002			Tolerances are identicalto those of inner ring of the the same bearing				.0002
18	30		+.0000		-.00025							.00025
30	50		+.0000		-.0003							.0003
50	80		+.0000		-.00035							.0003
80	120		+.0000		-.0004							.0004
120	150		+.0000		-.0004							.0004
150	180		+.0000		-.0005							.0005
180	250		+.0000		-.0006							.0006
250	315		+.0000		-.0007							.0007
315	400		+.0000		-.0008							.0007
400	500		+.0000		-.0009							.0009
500	630		+.0000		-.0011							.0010
630	800		+.0000		-.0014							.0012
Outer Ring
Nominal O.D.			Outside Diameter Tolerances					Width Tolerances				Radial
Diameter												Runout
(Metric)					(Inch)			(Inch)				(Inch)
D				Dm					B
Over	Incl.		High		Low			Maximum		Minimum		Maximum
Tolerance Class - P/4 (ABEC-7)
6	18		+.0000		-.00015			Tolerances are identicalto those of inner ring of the the same bearing				.0001
18	30		+.0000		-.0002							.00015
30	50		+.0000		-.00025							.0002
50	80		+.0000		-.0003							.0002
80	120		+.0000		-.0003							.00025
120	150		+.0000		-.00035							.0003
150	180		+.0000		-.0004							.0003
180	250		+.0000		-.0004							.0004
250	315		+.0000		-.0005							.0004
315	400		+.0000		-.0006							.0005
Outer Ring
Nominal O.D.			Outside Diameter Tolerances					Width Tolerances				Radial
Diameter												Runout
(Metric)					(Inch)			(Inch)				(Inch)
D				Dm					B
Over	Incl.		High		Low			Maximum		Minimum		Maximum
Tolerance Class - P/4S (ABEC-7-SPECIAL)
6	18		+.0000		-.00015			Tolerances are identicalto those of inner ring of the the same bearing				.000059
18	30		+.0000		-.00019							.000099
30	50		+.0000		-.00024							.000099
50	80		+.0000		-.00027							.00019
80	120		+.0000		-.00032							.00019
120	150		+.0000		-.00035							.00019
150	180		+.0000		-.00039							.00027
180	250		+.0000		-.00043							.00027
250	315		+.0000		-.00051							.00031
315	400		+.0000		-.00059							.00035