SKF 12398 CR / HMS / HMSA radial shaft seal
SKF

SKF 12398 CR / HMS / HMSA radial shaft seal

Part number12398Item numberSKF-12398HS 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 12398 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 12398 HS code: 4016.93 Shaft diameter: 31.75 mm Housing bore diameter: 49.987 mm Seal width: 11.13 mm Limiting speed: 3609 r/min Maximum operating temperature: 100 °C minimum operating temperature: -40 °C Permissible circumferential speed: 6 m/s Rotational speed: 3609 r/min Design: HM14 Auxiliary lip: No Sealing lip material: Nitrile rubber (NBR) Type of outside diameter: Metal-cased Unit system: Inch Product net weight: 0.0155 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 12398
  • Trelleborg 12398
  • Chesterton 12398
  • Garlock 12398
  • National 12398
  • Equivalent: 12398 (Freudenberg)
  • Equivalent: 12398 (Trelleborg)
  • Equivalent: 12398 (Chesterton)
  • Equivalent: 12398 (Garlock)
  • Equivalent: 12398 (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 12398 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 12398?
12398 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 12398.
What is the HS code for 12398?
The customs tariff (HS) code for 12398 is 4016.93.
Who manufactures 12398?
12398 is a SKF product in the Seals & Gaskets range.
Is a datasheet available for 12398?
Yes — the 12398 datasheet can be viewed and downloaded on this page.
What is the minimum order quantity for 12398?
The minimum order quantity is 1.
Is 12398 available?
Yes — 12398 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).