[8pcs Bearing Colorful]

Bearings
Dimensions：8x22x7mm (Inner Diameter: 8mm, Outer Diameter: 22mm, Width:7mm)
Material of Inner & Outer Ring Balls High quality blacken Chrome steelGcr15
Material of the Retainer frictionless Nylon retainer
Material of Seal Dust-proof Rubber seals
Seal Type: Dual-side dustproof sealing
Color of Inner&Outer Rings Black
Color of Seal Red Orange, Yellow, Green , Blue, Purple, Black, White
Numbers of Balls:7 Balls
Precision grade:Abec-11
Impact Load:185kg-220kg
Features: Fast speed, Long rotating, Anti-dust, matched spacer and washer, no need to buy spacers and washers seperately.
Contents of 1 set: 8 pcs bearings+ 4 spacers+8 washers + 1 iron box