SKF 38X51X21DOCR60 Metal face seal (Duo-Cone / mud seal)
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Product Description
SKF 38X51X21DOCR60 metal face seal (duo-cone / mud seal). Rotary metal face seal — two lapped cast-alloy sealing rings loaded together by opposed elastomer torics. Designed to seal shafts running in gritty, abrasive slurry conditions where a lip seal would be immediately destroyed. Standard on track-drive final-drives on tracked excavators, dozers and marine deck-machinery where dredge slurry, cement wash or seawater is present. Nominal shaft speed to 4 m/s.
Technical Specifications
- Type
- Metal face seal (Duo-Cone / mud seal)
- Designation
- SKF 38X51X21DOCR60
- HS code
- 8484.20
- Inside diameter
- 38 mm
- Outside diameter
- 51 mm
- Seal width
- 21 mm
- Shaft diameter, maximum
- 23 mm
- Nominal bore depth
- 9 mm
- Design
- With O-rings (DO)
- Sealing lip material
- Cast iron
- Rubber energizer
- Nitrile rubber (NBR)
- Product net weight
- 0.076 kg
- eClass code
- 23-07-08-02
- UNSPSC code
- 31181602
Standards & Compliance
- Standard
- SKF designation convention
- Material
- As declared by SKF designation suffix
- Temperature Range
- Per SKF product data
- HS Code
- 8484.20
Cross References
- Caterpillar 7G-1898 38512160
- Kalsi Seals 38512160
- CR Services 38512160
- Trelleborg 38512160
- Equivalent: 38512160 (Caterpillar 7G-1898)
- Equivalent: 38512160 (Kalsi Seals)
- Equivalent: 38512160 (CR Services)
- Equivalent: 38512160 (Trelleborg)
Compatibility & Fitment
Interchange with peer OEM equivalents on identical boundary plan and execution — confirm cage, clearance, sealing and precision-class suffix before substitution.
Product Documentation
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Technical guides
Catalogue entry last verified: 2026-08-13. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 38X51X21DOCR60?
- 38X51X21DOCR60 can be ordered from cballast.com as a SKF catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this SKF product?
- The manufacturer part number is 38X51X21DOCR60.
- What is the HS code for 38X51X21DOCR60?
- The customs tariff (HS) code for 38X51X21DOCR60 is 8484.20.
- Who manufactures 38X51X21DOCR60?
- 38X51X21DOCR60 is a SKF product in the Seals & Gaskets range.
- Is a datasheet available for 38X51X21DOCR60?
- Yes — the 38X51X21DOCR60 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 38X51X21DOCR60?
- The minimum order quantity is 1.
- Is 38X51X21DOCR60 available?
- Yes — 38X51X21DOCR60 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).