SKF 178X203X12HMS5RG1 CR / HMS / HMSA radial shaft seal
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Product Description
SKF 178X203X12HMS5RG1 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 178X203X12HMS5RG1
- HS code
- 4016.93
- Shaft diameter
- 178 mm
- Housing bore diameter
- 203 mm
- Seal width
- 12 mm
- Design
- HMS5
- Auxiliary lip
- No
- Sealing lip material
- Nitrile rubber (NBR)
- Type of outside diameter
- Rubber metal reinforced
- Unit system
- Metric
- Product net weight
- 0.175 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 1782031251
- Trelleborg 1782031251
- Chesterton 1782031251
- Garlock 1782031251
- National 1782031251
- Equivalent: 1782031251 (Freudenberg)
- Equivalent: 1782031251 (Trelleborg)
- Equivalent: 1782031251 (Chesterton)
- Equivalent: 1782031251 (Garlock)
- Equivalent: 1782031251 (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
Catalogue entry last verified: 2026-08-13. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 178X203X12HMS5RG1?
- 178X203X12HMS5RG1 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 178X203X12HMS5RG1.
- What is the HS code for 178X203X12HMS5RG1?
- The customs tariff (HS) code for 178X203X12HMS5RG1 is 4016.93.
- Who manufactures 178X203X12HMS5RG1?
- 178X203X12HMS5RG1 is a SKF product in the Seals & Gaskets range.
- Is a datasheet available for 178X203X12HMS5RG1?
- Yes — the 178X203X12HMS5RG1 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 178X203X12HMS5RG1?
- The minimum order quantity is 1.
- Is 178X203X12HMS5RG1 available?
- Yes — 178X203X12HMS5RG1 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).