
SKF HM66T Bearing lock nut (keyway type)
Pricing
Request a quote
We reply within 24 hours
Product Description
SKF HM66T 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 HM66T
- HS code
- 8483.30
- Thread designation
- Tr 330x5
- Bore diameter
- 325 mm
- Outside diameter
- 420 mm
- Width
- 52 mm
- Locking device
- None
- Nut for hydraulic mounting
- No
- Product net weight
- 19.9 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
More from SKF

SKF
SKF CPV-328-J1S Hydraulic piston seal

SKF
SKF EPR21 Split pillow-block housing (SNL / SAF / SAW)

SKF
SKF DZ250-2625-375-E2F Hydraulic rod seal / buffer seal

SKF
SKF F4B307-SRB-CRE Roller-bearing flanged unit

SKF
SKF H3056 Adapter sleeve

SKF
SKF KDN.JA070CP0 Thin-section ball bearing (Reali-Slim)

SKF
SKF NA6905 Needle roller bearing (machined rings)

SKF
SKF PCM11512050E Plain sleeve bushing
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 HM66T?
- HM66T 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 HM66T.
- What is the HS code for HM66T?
- The customs tariff (HS) code for HM66T is 8483.30.
- Who manufactures HM66T?
- HM66T is a SKF product in the Bearings & Power Transmission range.
- Is a datasheet available for HM66T?
- Yes — the HM66T datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for HM66T?
- The minimum order quantity is 1.
- Is HM66T available?
- Yes — HM66T 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).
