SKF HM56T Bearing lock nut (keyway type)
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Product Description
SKF HM56T bearing lock nut (keyway type). Bearing lock nut in the KM series with axial keyway that engages an MB lock washer. Locks a bearing, adapter sleeve or withdrawal sleeve axially on a shaft. Thread size and boundary dimensions per ISO 2982-1 / DIN 981. Nut always paired with the matching MB washer of the same numeric designation.
Technical Specifications
- Type
- Bearing lock nut (keyway type)
- Designation
- SKF HM56T
- HS code
- 8483.30
- Thread designation
- Tr 280x4
- Bore diameter
- 276 mm
- Outside diameter
- 350 mm
- Width
- 38 mm
- Locking device
- Lock washer
- Nut for hydraulic mounting
- No
- Associated mounting tool
- TMFN 52-64
- Product net weight
- 8.65 kg
- eClass code
- 23-11-07-05
- UNSPSC code
- 31163218
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
- 8483.30
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 HM56T?
- HM56T 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 HM56T.
- What is the HS code for HM56T?
- The customs tariff (HS) code for HM56T is 8483.30.
- Who manufactures HM56T?
- HM56T is a SKF product in the Bearings & Power Transmission range.
- Is a datasheet available for HM56T?
- Yes — the HM56T datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for HM56T?
- The minimum order quantity is 1.
- Is HM56T available?
- Yes — HM56T 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).