
SKF 370X420X20HSS8R HDL / HDS / HS radial shaft seal for heavy industrial service
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Product Description
SKF 370X420X20HSS8R hdl / hds / hs radial shaft seal for heavy industrial service. SKF wide-cross-section radial shaft seal for heavy industrial shafts, generally above 200 mm bore. Wider seal face improves fatigue life on paper mills, marine deck machinery, steel mills, cement mills and mining conveyors. Standard elastomer nitrile (NBR) or hydrogenated nitrile (HNBR); FKM available. Full metal case (HS type) or rubberised outside diameter (HMS variants). Dimensioned per ISO 6194 and OEM engineering drawings.
Technical Specifications
- Type
- HDL / HDS / HS radial shaft seal for heavy industrial service Designation: SKF 370X420X20HSS8R HS code: 4016.93 Shaft diameter: 370 mm Housing bore diameter: 420 mm Housing groove width: 20 mm Limiting speed: 516 r/min Maximum operating temperature: 100 °C minimum operating temperature: -35 °C Permissible circumferential speed: 10 m/s Rotational speed: 516 r/min Design: HSS8 Auxiliary lip: No Sealing lip material: Nitrile rubber (NBR) Type of outside diameter: All-rubber, reinforced Unit system: Metric Product net weight: 0.65 kg eClass code: 23-07-08-01 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
- Freudenberg 370420208
- Trelleborg 370420208
- Chesterton 370420208
- Garlock 370420208
- Equivalent: 370420208 (Freudenberg)
- Equivalent: 370420208 (Trelleborg)
- Equivalent: 370420208 (Chesterton)
- Equivalent: 370420208 (Garlock)
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: 2026-08-30. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 370X420X20HSS8R?
- 370X420X20HSS8R 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 370X420X20HSS8R.
- What is the HS code for 370X420X20HSS8R?
- The customs tariff (HS) code for 370X420X20HSS8R is 4016.93.
- Who manufactures 370X420X20HSS8R?
- 370X420X20HSS8R is a SKF product in the Seals & Gaskets range.
- Is a datasheet available for 370X420X20HSS8R?
- Yes — the 370X420X20HSS8R datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 370X420X20HSS8R?
- The minimum order quantity is 1.
- Is 370X420X20HSS8R available?
- Yes — 370X420X20HSS8R 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).
