4608 - Ball Bearings (5x11x4mm) (6)/ 5x8x2.5mm (8)
4606 - Ball bearings (5x8x2.5mm) (8) (for wheels only)
3775 - Bushings, self-lubricating (5x8x2.5mm) (12)
1675 - Bushings, self-lubricating (5x11x4mm) (14)
