Metric Oil Seals
Types:
Metric Oil Seals, Type A A-Sealing Lip with garter spring
Metric Oil Seals, Type AS AS-Sealing lip with garter spring and additional dust lip
Elastomer materials:
NBR-Nitrile rubber covered O.D., produced according to German Standard DIN 3760
Viton-Flourinated rubber covered O.D./ produced according to German Standard DIN 3760

Core material: Steel


Press Fit Allowance and
Permissible Eccentricity Table
                                                  Dimensions in:   millimeters
Outer Diameter Press Fit Allowance Permissible Eccentricity
up to 50 + .3
+ .15
.25
50 to 80 + .35
+ .20
.35
80 to 120 + .35
+ .20
.50
120 to 180 + .45
+ .25
.65
180 to 300 + .45
+ .25
.80
300 to 500 + .55
+ .30
1.00

The outer diameter should be measured at two locations, offset by 90º, according to DIN 3761 Part 6.
The applicable value is the average value of the two measurements, provided that permissible eccentricity is not exceeded by either measurement.