SKF 28646 CR / HMS / HMSA radial shaft seal
SKF

SKF 28646 CR / HMS / HMSA radial shaft seal

Part number28646Item numberSKF-28646HS code4016.93
SKF designation convention (see description for governing ISO / DIN)
MaterialAs declared by SKF designation suffix
Seals & Gaskets
Radial Shaft Seals
MOQ:1

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Product Description

SKF 28646 cr / hms / hmsa radial shaft seal. SKF radial shaft seal for rotating-shaft primary containment against dust, splash and low-head oil pressure. Designation CR / HMS5 / HMSA10 / HMSA10RG (single lip, single lip with dust lip, double lip with garter spring). Elastomer standard nitrile (NBR) to ISO 6194-1 with metal case; hydrogenated nitrile (HNBR), fluoroelastomer (FKM / Viton), silicone (VMQ) and polyacrylate (ACM) available by suffix. Bore, outside diameter and width follow ISO 6194 / DIN 3760.

Technical Specifications

Type
CR / HMS / HMSA radial shaft seal Designation: SKF 28646 HS code: 4016.93 Shaft diameter: 73.03 mm Housing bore diameter: 87.224 mm Seal width: 7.468 mm Limiting speed: 2451 r/min Maximum operating temperature: 100 °C minimum operating temperature: -40 °C Permissible circumferential speed: 9.4 m/s Rotational speed: 2451 r/min Design: CRSA1 Auxiliary lip: Yes Sealing lip material: Nitrile rubber (NBR) Type of outside diameter: Metal-cased Unit system: Inch Product net weight: 0.0272 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 28646
  • Trelleborg 28646
  • Chesterton 28646
  • Garlock 28646
  • National 28646
  • Equivalent: 28646 (Freudenberg)
  • Equivalent: 28646 (Trelleborg)
  • Equivalent: 28646 (Chesterton)
  • Equivalent: 28646 (Garlock)
  • Equivalent: 28646 (National)

Compatibility & Fitment

Interchange with peer OEM equivalents on identical boundary plan and execution — confirm cage, clearance, sealing and precision-class suffix before substitution.

Not sure if it fits? Email sales@cballast.com with your equipment serial number or photos — we confirm fit before you order.

Product Documentation

Document preview: SKF 28646 CR / HMS / HMSA radial shaft seal — Specification sheet

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 28646?
28646 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 28646.
What is the HS code for 28646?
The customs tariff (HS) code for 28646 is 4016.93.
Who manufactures 28646?
28646 is a SKF product in the Seals & Gaskets range.
Is a datasheet available for 28646?
Yes — the 28646 datasheet can be viewed and downloaded on this page.
What is the minimum order quantity for 28646?
The minimum order quantity is 1.
Is 28646 available?
Yes — 28646 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).