Genuine Knott Sealed bearing (for one hub) Knott trailer braked hub with drum diameter of 200mm with a casting number of 25955 and 250mm with a casting number of 25449.
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.