130-6889 Duo-Cone floating seal for CAT bulldozer spare part

130-6889 Duo-Cone floating seal for CAT bulldozer spare part Featured Image
  • 130-6889 Duo-Cone floating seal for CAT bulldozer spare part

Short Description:

Duo-Cone floating seal assembly for Caterpillar D9R/D10N/D10R bulldozer final drive and track roller, matched metal seal rings with rubber O-rings, retains lubricant and blocks muddy water, sand and grit entering travel components.

Product Detail

Product Tags

description

Duo-Cone floating seal is face mechanical seal for heavy equipment undercarriage. It consists of a pair of alloy seal rings and rubber energizer rings, relying on face contact for dynamic sealing and accommodating slight axial movement and swing of track assembly. Scoring, pitting on sealing face, hardened or failed rubber will cause oil leakage and water ingress, leading to rust, wear and seizure of track roller and final drive bearings.

Part No.:130-6889
Type: Duo-Cone floating seal assembly
Material: Wear resistant alloy ring + oil resistant rubber ring
Sealing Type: Face dynamic mechanical seal
Sealing Medium: Gear oil, grease
Working Condition: Muddy, dusty heavy-load track undercarriage
Matching System: Bulldozer final drive, track roller assembly

Application Scenarios

Fits Caterpillar D9R, D10N, D10R track-type tractor, widely used for overhaul of final drive, track rollers and carrier rollers.

FAQ 

Q：Can floating seal with light scratches on mirror face keep working?
A：Not recommended. Scratches form leakage path and muddy water will damage bearings quickly.

Q：Can I replace only one metal ring?
A：No. The two rings are lapped as a matched pair, mismatched rings leak easily.

Q：What fault will aged rubber ring cause?
A：Insufficient spring force, poor face contact and continuous oil leakage with water ingress.

Q：Will new floating seal work if housing groove is worn?
A：Poor result. Worn groove tilts seal ring and re-leakage occurs soon, repair or replace housing.

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