MR18307 LLU/LLB A5 CN ABEC-5 Radial Bearing 18x30x7mm Open 32 mm Shoulder diameter of

32 mm Shoulder diameter of inner ring (small side face)

Bearing No: SA209

crush washers and pre-impregnated

and a 96 mm diameter over chain

Bore A: 90mm

MR18307 LLU/LLB A5 CN ABEC-5 Radial Bearing 18x30x7mm Open 32 mm Shoulder diameter ofThis ABEC 5 bearing features deep groove design races, with Grade 10 balls, dual lip, labyrinth, full contact LLU seals facing outwards to withstand daily abuse of use and the elements, and lighter contact LLB seals facing inwards to contain the 90% fill Mobil XHP 222 high pressure water proof synthetic grease. CN clearance specification is best for looser press fit bearing bores. A radial bearing generally used as a hub bearing, as a bottom bracket