Product Overview

NOTICE: These are not the standard 8x16x5 that the majority of cars use, this is a special narrow size of 4mm.

The 8x16x4 688ZZ/B4 Halo series of bearings are a high quality steel/chrome bearing with metal shields. These bearings have been tested and proven by many racers. Please check your manual to see if these are bearings you need to use.

Bearing Dimensions

  • METRIC: 8mm (Inner) x 16mm (Outer) x 4mm (Width)
  • STANDARD: 0.31496" (Inner) x 0.62992" (Outer) x 0.15748" (Width)