Rotary Shaft Seal Tolerances

 

DIN/RMA Standard

Bore Dia.
DIN 3760 (m/m)
RMA (m/m)
Metal O.D
Rubber O.D.
Metal O.D
Rubber O.D
up to 50
+0.10/+0.20
+0.15/+0.30
+0.08/+0.20
+0.15/+0.3
up to 80
0.13/0.23
0.20/0.35
0.09/0.23
0.20/0.35
up to 120
0.15/0.25
0.20/0.35
0.10/0.25
0.20/0.35
up to 180
0.18/0.28
0.25/0.45
0.12/0.28
0.25/0.45
up to 300
0.20/0.30
0.30/0.45
0.20/0.35
0.30/0.45
up to 400
0.23/0.35
0.30/0.55
0.20/0.45
0.30/0.55

 

 

Bore Dia.
Metal OD
Rubber OD
Normal Press Fit
Tolerance
Normal Press Fit
Tolerance
up to 2"
0.005+/-0.002
0.008+/-0.003
+0.003~0.007
+0.08~0.17mm
+0.005~0.011
+0.13~0.28mm
up to 3"
0.0055 +/- 0.0025
0.010+/-0.003
+0.003~0.008
+0.08~0.20mm
+0.007~0.013
+0.18~0.33mm
up to 5"
0.0065+/-0.003
0.0105+/-0.003
+0.0035~0.0095
+0.09~0.24mm
+0.0075~0.0135
+0.19~0.34mm
up to 7"
0.007+/-0.003
0.012+/-0.004
+0.004~0.010
+0.10~0.25mm
+0.008~0.016
+0.20~0.40mm
up to 12"
0.0085+/-0.0035
0.0125+/-0.004
+0.005~0.012
+0.13~0.30mm
+0.0085~0.0165
+0.22~0.42mm
up to 20"
0.012+/-0.005
0.015+/-0.005
+0.007~0.017
+0.18~0.43mm
+0.010~0.020
+0.26~0.50mm