Sealed Bearing 39/72/37 45887.11 For Knott & Alko Hubs

Sealed bearing for Knottand Alko axles

Knott-Avonride part number: 45887.11
Bearing ID numbers are 311396 and 581169

Bearing dimensions are as follows:
External Diameter = 72mm,
Internal Diameter = 39mm,
Length = 37mm.

Including two circlips & hub nut which must be renewed.