bearings.

Guys, I've got the codes for the bearings and seals required for ny swingarm Simply Bearings bearing code: HK1812 = £3.89 + V Seal = 18x24x3 nitrile rubber springless type R26 £1.57 + V Can anyone just confirm, are all the bearings throttle same as the one above? Also, how many do i need in...