Place of Origin : Harbin,China  
                                                         
Thrust ball bearings 
1.Dimension:4X9X4mm 
2.single direction/row 
3.material:chrome steel 
4.grand:p0-p4,Steel cage/brass ca 
Thrust ball bearings F4-9 
Description: europe#jb-bearing.com.cn 
The single direction thrust ball bearing consist of a shaft washer, a housing washer and a ball and cage thrust assembly. 
The bearings are separable so that mounting is simple as the washers and the ball and cage assembly can be mounted separately.