
SKF 406.4X445X20HSS4H HDL / HDS / HS radial shaft seal for heavy industrial service
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Product Description
SKF 406.4X445X20HSS4H 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 406.4X445X20HSS4H HS code: 4016.93 Shaft diameter: 406.4 mm Housing bore diameter: 445 mm Housing groove width: 20 mm Limiting speed: 705 r/min Maximum operating temperature: 150 °C minimum operating temperature: -30 °C Permissible circumferential speed: 15 m/s Rotational speed: 705 r/min Design: HSS4 Auxiliary lip: No Sealing lip material: Hydrogenated nitrile rubber (HNBR) Type of outside diameter: All-rubber, reinforced Unit system: Metric Product net weight: 0.54 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 4064445204
- Trelleborg 4064445204
- Chesterton 4064445204
- Garlock 4064445204
- Equivalent: 4064445204 (Freudenberg)
- Equivalent: 4064445204 (Trelleborg)
- Equivalent: 4064445204 (Chesterton)
- Equivalent: 4064445204 (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
More from SKF
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 406.4X445X20HSS4H?
- 406.4X445X20HSS4H 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 406.4X445X20HSS4H.
- What is the HS code for 406.4X445X20HSS4H?
- The customs tariff (HS) code for 406.4X445X20HSS4H is 4016.93.
- Who manufactures 406.4X445X20HSS4H?
- 406.4X445X20HSS4H is a SKF product in the Seals & Gaskets range.
- Is a datasheet available for 406.4X445X20HSS4H?
- Yes — the 406.4X445X20HSS4H datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 406.4X445X20HSS4H?
- The minimum order quantity is 1.
- Is 406.4X445X20HSS4H available?
- Yes — 406.4X445X20HSS4H 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).








