Tolerances

Shaft Tolerance in INCH

Nominal Shaft DiameterTolerance
up to 4,000+/-0.003
over 4,000 to 6,000+/-0.004
over 6,000 to 10,000+/-0.005
over 10,000+/-0.006

Shaft Tolerance in METRIC

Shaft DiameterTolerance in mm
overto+ / -
030.00 / -.060
360.0 / -.075
6100.0 / -.090
10180.0 / -.110
18300.0 / -.130
30500.0/-.160
50800.0/-.190
801200.0/-.220
1201800.0/-.250
1802500.0/-.290
2503150.0/-.320
3154000.0/-.360
4005000.0/-.400

Housing Tolerance in INCH

Bore DiameterBore Tolerance
up to 3.000+/-0.001
3.001 to 6.000+/-0.0015
6.001 to 10.000+/-0.002
10.001 to 20.000+0.002/-0.004
20.001 to 40.000+0.002/-0.006
40.001 to 60.000+0.002/-0.010

Housing Tolerance in METRIC

Bore DiameterBore Tolerance
over 6 to 10+0.022/-0.000
over 10 to 18+0.027/-0.000
over 18 to 30+0.033/-0.000
over 30 to 50+0.039/-0.000
over 50 to 80+0.046/-0.000
over 80 to 120+0.054/-0.000
over 120 to 180+0.063/-0.000
over 180 to 250+0.072/-0.000
over 250 to 315+0.081/-0.000
over 315 to 400+0.089/-0.000

Width Tolerance of Seals

UnitWidth RangeTolerance
InchANY+/-0.015
Metricup to 10mm+/-0.20
Metricover 10mm+/-0.30

Seal Outside Diameter Tolerances - INCH

Bore DiameterPress-fit AllowanceTolerance
Metal CaseRubber Covered CaseMetal CaseRubber 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+0.010+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 Tolerances - METRIC

Bore DiameterPress-fit AllowancePermissible Eccentricity
Metal CaseRubber Covered Case
up to 50+0.20/+0.10+0.30/+0.150.25
over 50 to 80+0.23/+0.13+0.35/+0.200.35
over 80 to 120+0.25/+0.15+0.35/+0.20+0.50
over 120 to 180+0.28/+0.18+0.45/+0.250.65
over 180 to 300+0.30/+0.20+0.45/+0.250.80
over 300 to 500+0.35/+0.23+0.55/+0.301.00