Tolerances


Seal Outside Diameter Tolerance in Imperial

Bore Diameter Press-fit Allowance Tolerance
Metal Case Rubber
Covered
Case 		Metal Case Rubber
Covered
Case
Up to 1.000 +0.004 +0.006 0.002 0.003
1.001 to 2.000 +0.004 +0.007 0.002 0.003

2.001 to 3.000

 +0.004 +0.008 0.002 0.003
3.001 to 4.000 +0.005 +0.010 0.002 0.004
4.001 to 6.000 +0.005 0+0.010

+0.003/-0.002

 0.004
6.001 to 8.000 +0.006 +0.010 +0.003/-0.002 0.004
8.001 to 10.000 +0.008 +0.010 +0.004/-0.002 0.004
10.001 to 20.000 +0.008 +0.010 +0.006/-0.002 0.004
20.001 to 40.000 +0.008 +0.010 +0.008/-0.002 0.004
40.001 to 60.000 +0.008 +0.010 +0.010/-0.002 0.004

 Seal Outside Diameter Tolerance in Metric

Bore Diameter Press-fit Allowance Permissible
Eccentricity
Metal Case Rubber
Covered Case
Up to 50 +0.20/+0.10 +0.30/+0.15 0.25
Over 50 to 80 +0.23/+0.13 +0.35/+0.20 0.35

Over 80 to 120

 +0.25/+0.15 +0.35/+0.20 0.50
Over 120 to 180 +0.28/+0.18 +0.45/+0.25 0.65
Over 180 to 300 +0.30/+0.20 +0.45/+0.25

0.80

Over 300 to 500 +0.35/+0.23 +0.55/+0.30 1.00

 Seal Width Tolerance in Imperial and Metric

Unit Width range Tolerance
inch all 0.015
mm Up to 10 0.20
Over 10 0.30

 Shaft Tolerance in Metric

Shaft Diameter (ISO) Tolerance in mm ( h11 )
Over to Lower Upper
0 3 +0.000 -0.060
3 6 +0.000 -0.070
6 10 +0.000 -0.090
10 18 +0.000 -0.120
18 30 +0.000 -0.140
30 50 +0.000 -0.160
50 80 +0.000 -0.190
80 120 +0.000 -0.220
120 180 +0.000 -0.260
180 250 +0.000 -0.300
250 315 +0.000 -0.340
315 400 +0.000 -.0360
400 500 +0.000 -0.400


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Allied Metrics Seals & Fasteners, Inc
2 Wilson Dr.
Sparta, NJ 07871
Ph. 973-383-2487    Fax 973-383-3329

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