Radial Shaft Seal Terminology

1. Case Width

2. Outer Case

3. Housing

4. Inner Case

5. Outside Face

6. Lip Length

7. Inside Face

8. Radial Wall Dimension

9. Seal Outer Diameter

10. Housing Bore Diameter

11. Spring Axial Postion

12. Spring Groove

13. Garer Spring

14. Axial Clearance

15. Heel Section

16. Flex Section

17. Spring Retaining Lip

18. Head Section

19. Oil Side Angle

20. Toe Face

21. Inside Face Inner Diameter

22. Outer Case Inner Diameter

23. Secondary Lip

24. Outside Lip Surface

25. Air Side Angle

26. Contact Width

27. Static Lip

28. Inside Lip Surface

29. Lip Diameter

30. Unsprung Lip Diameter

31. Contact Line Height

32. Lip Height