2 x 311396 Wheel bearing, Alko 2051, 72 x 39 x 37mm, Knott Euro, 581169, Trailer

2 x 311396 Wheel bearings fits Alko 2051, 72 x 39 x 37mm, Knott, Euro, Hub, Trailer, 
Pair of 311396 unitized double row sealed bearing
2 wheel bearings 
Internal diameter 39mm, external diameter 72mm, width 37mm
Fits ALKO 2051 euro, some Knott, and Avonride 'Y' assemblies
Fits ALKO reference - 581169
Fits Knott - Avonride reference - 45887-11 & 571006