
SKF 630X660X25HSS6H HDL / HDS / HS radial shaft seal for heavy industrial service
Pricing
Request a quote
We reply within 24 hours
Product Description
SKF 630X660X25HSS6H 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 630X660X25HSS6H HS code: 4016.93 Shaft diameter: 630 mm Housing bore diameter: 660 mm Housing groove width: 25 mm Limiting speed: 303 r/min Maximum operating temperature: 150 °C minimum operating temperature: -30 °C Permissible circumferential speed: 10 m/s Rotational speed: 303 r/min Design: HSS6 Auxiliary lip: No Sealing lip material: Hydrogenated nitrile rubber (HNBR) Type of outside diameter: All-rubber, reinforced Unit system: Metric Product net weight: 1 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 630660256
- Trelleborg 630660256
- Chesterton 630660256
- Garlock 630660256
- Equivalent: 630660256 (Freudenberg)
- Equivalent: 630660256 (Trelleborg)
- Equivalent: 630660256 (Chesterton)
- Equivalent: 630660256 (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

SKF
SKF 71917ACDGB/P4A Super-precision angular contact ball bearing

SKF
SKF PHG619-L-S1800 Timing belt (synchronous drive belt)

SKF
SKF PHGZ35.75 V-belt (wedge belt)

SKF
SKF 630X670X20HDS1R HDL / HDS / HS radial shaft seal for heavy industrial service

SKF
SKF 71917ACDGC/P4A Super-precision angular contact ball bearing

SKF
SKF PHG620-5M-15 Timing belt (synchronous drive belt)

SKF
SKF PHGZ36 V-belt (wedge belt)

SKF
SKF 630X670X20HDS1V HDL / HDS / HS radial shaft seal for heavy industrial service
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 630X660X25HSS6H?
- 630X660X25HSS6H 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 630X660X25HSS6H.
- What is the HS code for 630X660X25HSS6H?
- The customs tariff (HS) code for 630X660X25HSS6H is 4016.93.
- Who manufactures 630X660X25HSS6H?
- 630X660X25HSS6H is a SKF product in the Seals & Gaskets range.
- Is a datasheet available for 630X660X25HSS6H?
- Yes — the 630X660X25HSS6H datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 630X660X25HSS6H?
- The minimum order quantity is 1.
- Is 630X660X25HSS6H available?
- Yes — 630X660X25HSS6H 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).
