SKF MB52 Bearing lock nut (keyway type)
SKF

SKF MB52 Bearing lock nut (keyway type)

Part numberMB52Item numberSKF-MB52HS 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 MB52 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 MB52
HS code
8483.30
Bore diameter
260 mm
Outside diameter
342 mm
Locking device
Lock washer
Product net weight
0.76 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.

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 MB52 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 MB52?
MB52 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 MB52.
What is the HS code for MB52?
The customs tariff (HS) code for MB52 is 8483.30.
Who manufactures MB52?
MB52 is a SKF product in the Bearings & Power Transmission range.
Is a datasheet available for MB52?
Yes — the MB52 datasheet can be viewed and downloaded on this page.
What is the minimum order quantity for MB52?
The minimum order quantity is 1.
Is MB52 available?
Yes — MB52 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).