Enduro ball bearing in good quality.

Size: 71803

Dimensions: 17x26x5 mm

2RS: 2 rubber seals, one on each side of the bearing.

LLB: Seal type with double lip seal, with light contact in a groove making a labyrinth seal.

ABEC3 - ABEC5: The higher the number, the greater the precision the bearings are made with.