SKF WAT-63X69X31-E8D Hydraulic guide ring / wear ring / bearing strip
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Product Description
SKF WAT-63X69X31-E8D hydraulic guide ring / wear ring / bearing strip. Non-sealing polymer guide ring that carries the side load in a hydraulic cylinder, preventing metal-to-metal contact between rod-piston-tube. Materials cover PTFE with bronze filler, glass-filled thermoplastic and acetal. Available as straight-cut or angle-cut strip; standard groove per ISO 10766.
Technical Specifications
- Type
- Hydraulic guide ring / wear ring / bearing strip
- Designation
- SKF WAT-63X69X31-E8D
- HS code
- 3926.90
- Piston groove diameter / Rod diameter
- 63 mm
- Cylinder bore diameter / Housing groove bore diameter
- 69 mm
- Housing groove width
- 31 mm
- Ultimate compressive strength
- 158 N/mm²
- Design
- WAT
- Material
- Polyamide (PA P-2551)
- Product net weight
- 0.028 kg
- eClass code
- 23-07-01-90
- UNSPSC code
- 31181602
Standards & Compliance
- Standard
- SKF designation convention (see description for governing ISO / DIN)
- Material
- As declared by SKF designation suffix
- Temperature Range
- Per SKF product data
- HS Code
- 3926.90
Cross References
- Trelleborg 6369318
- Parker 6369318
- Freudenberg 6369318
- Hallite 6369318
- Equivalent: 6369318 (Trelleborg)
- Equivalent: 6369318 (Parker)
- Equivalent: 6369318 (Freudenberg)
- Equivalent: 6369318 (Hallite)
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
- Hydraulic Seal Size Finder — Rod Seals, Buffer Seals, Piston Seals, Wipers and Guide Rings by Rod / Bore and Groove Dimensions (SKF)
- SKF 81xxx Cylindrical Roller Thrust Bearing — Dimensions, Load Ratings & Interchange (81102 to 81140)
- SKF Deep Groove Ball Bearing Reference — 6000 / 6200 / 6300 / 6400 Series (Dimensions, Load Ratings, Interchange to FAG NSK NTN Timken)
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 WAT-63X69X31-E8D?
- WAT-63X69X31-E8D 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 WAT-63X69X31-E8D.
- What is the HS code for WAT-63X69X31-E8D?
- The customs tariff (HS) code for WAT-63X69X31-E8D is 3926.90.
- Who manufactures WAT-63X69X31-E8D?
- WAT-63X69X31-E8D is a SKF product in the Seals & Gaskets range.
- Is a datasheet available for WAT-63X69X31-E8D?
- Yes — the WAT-63X69X31-E8D datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for WAT-63X69X31-E8D?
- The minimum order quantity is 1.
- Is WAT-63X69X31-E8D available?
- Yes — WAT-63X69X31-E8D 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).