Bettomshin Precision Ceramics Bearing Balls
Description:
1.Bearing Ceramics balls offer the precise geometry and fine surface finish which has Lighter and stronger, not to shatter or melt in the most extreme conditions.
2.Application:For bearing, bicycles, casters, drawer slides or other.
3.Feature:Precision, fine surface ect.
Specification:
Material: Silicon nitride ceramics
Diameter:4mm / 0.16 inch
Diameter tolerance: G5
Package Content:
10pcs x Precision Ceramics Bearing Balls