SKF 21265 CR / HMS / HMSA radial shaft seal
SKF

SKF 21265 CR / HMS / HMSA radial shaft seal

Part number21265Item numberSKF-21265HS 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 21265 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 21265 HS code: 4016.93 Shaft diameter: 53.975 mm Housing bore diameter: 81.001 mm Seal width: 6.35 mm Limiting speed: 2884 r/min Maximum operating temperature: 100 °C minimum operating temperature: -40 °C Permissible circumferential speed: 8.2 m/s Rotational speed: 2884 r/min Design: HM21 Auxiliary lip: No Sealing lip material: Nitrile rubber (NBR) Type of outside diameter: Metal-cased Unit system: Inch Product net weight: 0.029 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 21265
  • Trelleborg 21265
  • Chesterton 21265
  • Garlock 21265
  • National 21265
  • Equivalent: 21265 (Freudenberg)
  • Equivalent: 21265 (Trelleborg)
  • Equivalent: 21265 (Chesterton)
  • Equivalent: 21265 (Garlock)
  • Equivalent: 21265 (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 21265 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 21265?
21265 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 21265.
What is the HS code for 21265?
The customs tariff (HS) code for 21265 is 4016.93.
Who manufactures 21265?
21265 is a SKF product in the Seals & Gaskets range.
Is a datasheet available for 21265?
Yes — the 21265 datasheet can be viewed and downloaded on this page.
What is the minimum order quantity for 21265?
The minimum order quantity is 1.
Is 21265 available?
Yes — 21265 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).