SKF 780X844X25HSS4V HDL / HDS / HS radial shaft seal for heavy industrial service
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Product Description
SKF 780X844X25HSS4V 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 780X844X25HSS4V HS code: 4016.93 Shaft diameter: 780 mm Housing bore diameter: 844 mm Housing groove width: 25 mm Limiting speed: 367 r/min Maximum operating temperature: 200 °C minimum operating temperature: -18 °C Permissible circumferential speed: 15 m/s Rotational speed: 367 r/min Design: HSS4 Auxiliary lip: No Sealing lip material: Fluoro rubber (FKM) Type of outside diameter: All-rubber, reinforced Unit system: Metric Product net weight: 2.13 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 780844254
- Trelleborg 780844254
- Chesterton 780844254
- Garlock 780844254
- Equivalent: 780844254 (Freudenberg)
- Equivalent: 780844254 (Trelleborg)
- Equivalent: 780844254 (Chesterton)
- Equivalent: 780844254 (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
- 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)
- Bearing Induction Heaters — Why Heat Beats Force, the 110 °C Rule and SKF TIH/TWIM/TMHN
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 780X844X25HSS4V?
- 780X844X25HSS4V 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 780X844X25HSS4V.
- What is the HS code for 780X844X25HSS4V?
- The customs tariff (HS) code for 780X844X25HSS4V is 4016.93.
- Who manufactures 780X844X25HSS4V?
- 780X844X25HSS4V is a SKF product in the Seals & Gaskets range.
- Is a datasheet available for 780X844X25HSS4V?
- Yes — the 780X844X25HSS4V datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 780X844X25HSS4V?
- The minimum order quantity is 1.
- Is 780X844X25HSS4V available?
- Yes — 780X844X25HSS4V 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).