SKF PWB12X18.6X3.8 Hydraulic rod wiper seal
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Product Description
SKF PWB12X18.6X3.8 hydraulic rod wiper seal. Hydraulic cylinder wiper (scraper) seal — sits at the rod-side gland outboard of the primary rod seal to sweep debris, ice, salt spray and paint chips off the rod on the retract stroke. Metal-cased or all-polyurethane execution. Fits DIN 6210 / ISO 6194 wiper groove.
Technical Specifications
- Type
- Hydraulic rod wiper seal
- Designation
- SKF PWB12X18.6X3.8
- HS code
- 4016.93
- Rod diameter
- 12 mm
- Housing groove bore diameter
- 186 mm
- Design
- PWB
- Sealing lip material
- Polyurethane
- Product net weight
- 0.0007 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
- 4016.93
Cross References
- Trelleborg 1218638
- Parker 1218638
- Freudenberg 1218638
- Hallite 1218638
- Equivalent: 1218638 (Trelleborg)
- Equivalent: 1218638 (Parker)
- Equivalent: 1218638 (Freudenberg)
- Equivalent: 1218638 (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: 2026-09-30. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy PWB12X18.6X3.8?
- PWB12X18.6X3.8 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 PWB12X18.6X3.8.
- What is the HS code for PWB12X18.6X3.8?
- The customs tariff (HS) code for PWB12X18.6X3.8 is 4016.93.
- Who manufactures PWB12X18.6X3.8?
- PWB12X18.6X3.8 is a SKF product in the Seals & Gaskets range.
- Is a datasheet available for PWB12X18.6X3.8?
- Yes — the PWB12X18.6X3.8 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for PWB12X18.6X3.8?
- The minimum order quantity is 1.
- Is PWB12X18.6X3.8 available?
- Yes — PWB12X18.6X3.8 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).