SKF HM3188 Bearing lock nut (keyway type)
SKF

SKF HM3188 Bearing lock nut (keyway type)

Part numberHM3188Item numberSKF-HM3188HS code8483.30
SKF designation convention (see description for governing ISO / DIN)
MaterialAs declared by SKF designation suffix
MOQ:1

Pricing

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Product Description

SKF HM3188 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 HM3188
Bore d
440 mm
HS code
8483.30
Thread designation
Tr 440x5
Bore diameter
440 mm
Outside diameter
560 mm
Width
70 mm
Locking device
Locking clip
Nut for hydraulic mounting
No
Associated mounting tool
TMFN 80-500
Product net weight
46.5 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

Cross References

  • FAG 3188
  • NSK 3188
  • Timken 3188
  • NTN 3188
  • Koyo 3188
  • Equivalent: 3188 (FAG)
  • Equivalent: 3188 (NSK)
  • Equivalent: 3188 (Timken)
  • Equivalent: 3188 (NTN)
  • Equivalent: 3188 (Koyo)

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 HM3188 Bearing lock nut (keyway type) — Specification sheet

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 HM3188?
HM3188 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 HM3188.
What is the HS code for HM3188?
The customs tariff (HS) code for HM3188 is 8483.30.
Who manufactures HM3188?
HM3188 is a SKF product in the Bearings & Power Transmission range.
Is a datasheet available for HM3188?
Yes — the HM3188 datasheet can be viewed and downloaded on this page.
What is the minimum order quantity for HM3188?
The minimum order quantity is 1.
Is HM3188 available?
Yes — HM3188 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).