SKF 30X37X4HMS4R CR / HMS / HMSA radial shaft seal
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Product Description
SKF 30X37X4HMS4R 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 30X37X4HMS4R
- HS code
- 4016.93
- Shaft diameter
- 30 mm
- Housing bore diameter
- 37 mm
- Seal width
- 4 mm
- Design
- HMS4
- Sealing lip material
- Nitrile rubber (NBR)
- Product net weight
- 0.0022 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 303744
- Trelleborg 303744
- Chesterton 303744
- Garlock 303744
- National 303744
- Equivalent: 303744 (Freudenberg)
- Equivalent: 303744 (Trelleborg)
- Equivalent: 303744 (Chesterton)
- Equivalent: 303744 (Garlock)
- Equivalent: 303744 (National)
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
- Radial Shaft Seal Size Finder — Shaft × Housing × Width (SKF HMS5, HMSA10, CRW1, CRWA1, HDS)
- 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)
Catalogue entry last verified: 2026-09-30. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 30X37X4HMS4R?
- 30X37X4HMS4R 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 30X37X4HMS4R.
- What is the HS code for 30X37X4HMS4R?
- The customs tariff (HS) code for 30X37X4HMS4R is 4016.93.
- Who manufactures 30X37X4HMS4R?
- 30X37X4HMS4R is a SKF product in the Seals & Gaskets range.
- Is a datasheet available for 30X37X4HMS4R?
- Yes — the 30X37X4HMS4R datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 30X37X4HMS4R?
- The minimum order quantity is 1.
- Is 30X37X4HMS4R available?
- Yes — 30X37X4HMS4R 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).