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HOME >> Agricultural machinery seals >> COMBI Seal Premium Reinforced External Contaminant Barrier for Dust-Exposed Rotary Shafts
  • COMBI Seal Premium Reinforced External Contaminant Barrier for Dust-Exposed Rotary Shafts
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  • COMBI Seal Premium Reinforced External Contaminant Barrier for Dust-Exposed Rotary Shafts

    External contamination usually enters before a leak becomes visible. Fine dust, sand, and soil can migrate past a weak outer barrier, contaminate lubricant, and shorten bearing life. This premium reinforced COMBI seal is designed to control that entry path with a stable supported body and dedicated dust-deflection stage. NBR or HNBR main sealing materials can be matched to the medium and temperature, while an optional PU dust lip adds abrasion-focused protection. The seal helps reduce particle penetration, shaft wear, and lubricant loss in hubs, axles, gearboxes, and transmissions. Custom OEM and replacement sizes are available.

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Description
External contamination usually enters before a leak becomes visible. Fine dust, sand, and soil can migrate past a weak outer barrier, contaminate lubricant, and shorten bearing life. This premium reinforced COMBI seal is designed to control that entry path with a stable supported body and dedicated dust-deflection stage. NBR or HNBR main sealing materials can be matched to the medium and temperature, while an optional PU dust lip adds abrasion-focused protection. The seal helps reduce particle penetration, shaft wear, and lubricant loss in hubs, axles, gearboxes, and transmissions. Custom OEM and replacement sizes are available.

Premium Reinforced Dust Contamination Proof COMBI Seal Control External Contaminant Penetration

Contamination damage starts before operators see leakage. A stronger external barrier helps stop particles at the first entry point.

Product Attributes

  • 1. Type: COMBI seal

  • 2. Reinforced: Yes

  • 3. Function: Contaminant exclusion

  • 4. Function: Lubricant retention

  • 5. Structure: Multi-lip

  • 6. Material: NBR

  • 7. Option: HNBR

  • 8. Dust lip: PU option

  • 9. Size: Custom

  • 10. Motion: Rotary

  • 11. Target: External dust entry

  • 12. Target: Fine-particle migration

  • 13. Target: Lubricant contamination

  • 14. Barrier: External deflector

  • 15. Barrier: Primary sealing lip

  • 16. Bearing protection: Yes

  • 17. Shaft protection: Yes

  • 18. Lubricant control: Yes

  • 19. Abrasion resistance: Configurable

  • 20. Impact resistance: Reinforced

  • 21. Vibration resistance: Supported

  • 22. Deformation control: Yes

  • 23. Contaminant: Dust

  • 24. Contaminant: Sand

  • 25. Contaminant: Soil

  • 26. Shaft finish: Smooth

  • 27. Alignment: Concentric

  • 28. Runout: Controlled

  • 29. Installation: Even press

  • 30. Orientation: Barrier outward

  • 31. Temperature: Material matched

  • 32. Speed: RPM matched

  • 33. Pressure: Low

  • 34. Application: Hubs

  • 35. Application: Axles

  • 36. Application: Gearboxes

  • 37. Machinery: Farm

  • 38. Machinery: Construction

  • 39. Machinery: Industrial

  • 40. Customization: Size/material/lip

  • 41. Supply: OEM/aftermarket

  • 42. Benefit: Lower contamination penetration

Problem Solved

By focusing on the external entry path, the reinforced COMBI seal helps prevent fine particles from reaching lubricant and bearings.

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