A seal can match ID, OD and width yet still fail if its exclusion system, compound or pressure capability does not match the job. The integrated COMBI seal is most useful when procurement captures the actual contamination problem before ordering.
1. Product: Integrated COMBI seal
2. Purchase goal: Mud-resistant rotary sealing
3. Comparison: Standard oil seal
4. Main function: Lubricant retention
5. Second function: Contamination exclusion
6. Motion: Rotary shaft
7. Contaminants: Mud/grit/dust/water
8. Architecture: Multi-lip integrated
9. Required size 1: Shaft/ID
10. Required size 2: Housing/OD
11. Required size 3: Seal width
12. Required duty: Shaft RPM
13. Required duty: Operating temperature
14. Required duty: Normal/peak pressure
15. Required media: Oil or grease type
16. Required environment: Mud severity
17. Particle information: Fine clay/coarse grit
18. Water exposure: Splash/submersion/wash-down
19. Shaft condition: New/worn/scored
20. Runout: Verify
21. Misalignment: Verify
22. Elastomer: NBR/HNBR/FKM options
23. Case: Steel options
24. Spring: Profile dependent
25. Oil lip: Dedicated
26. Dirt lip: Dedicated
27. Abrasion control: Enhanced
28. Mud resistance: Heavy-duty intent
29. Equipment: Industrial/construction machinery
30. Positions: Hubs/axles/gearboxes/drives
31. Housing fit: Press-fit
32. Installation tool: Square press tool
33. Orientation: Confirm oil/dirt side
34. Reuse: Not recommended
35. Retrofit: Check axial space
36. OEM match: Number/sample/dimensions
37. Custom size: Available by application
38. QC: Dimension/lip/case inspection
39. Packaging: Protect sealing lips from deformation
40. Storage: Cool/dry/away from ozone
41. Acceptance check: Verify part and orientation before install
42. Cost focus: Total service cost, not unit price alone
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