oil seal designation

1. Oil Seal Designation

2. Oil Seal Designation
 Generally two system used in designation of the oil seal
 Metric seal designation
 Imperial oil seal designation

3. Metric oil seal designation
 It is denoted by Inner diameter, outer diameter, Width all
these dimension in mm.
Width

4. Metric oil seal designation 30× 100 ×10
 Oil seal dimension is
 OD=100mm
 ID=30mm
 Width=10mm
30mm
100mm
10mm

5. Example
 Oil seal has following dimension
 OD=30mm
 ID=15mm
 W=7mm

6. Imperial oil seal designation
 These oil seal is designated by OD,ID,W
 All these dimension in inch
 For obtaining correct dimension of the seal each term is
divided by 4 than it obtains in mm.
 For obtaining correct dimension of the seal in inch divided
by 25.4mm

7. Imperial oil seal designation
 If in any oil seal 300,200,40 is written
 OD=300/4=75mm=2.95”
 ID=200/4=50mm=1.968”
 W=40/4=10mm=0.393”
300
200
40

8. Imperial oil seal designation 250×162×50

9. Thank u for watching