Needle roller bearings HK0509

needle roller bearings HK0509 1.high precision 2.bearing steel 3.industrial standard packing 4.delivery in time needle roller bearing HK0509Needle roller bearings rolling is an independent component of its cage and guide the two wide spacing, can accurately guide the needle, the needle can maintain the correct position. Of these apply to the shaft bearings and the hole can be used as an occasion Raceway, only the shaft and bearing holes Raceway processing requirements to the size of geometric precision and accuracy, the smallest space to ensure high-accuracy rotation. The main structure of the needle bearing in the form of: Needle bearing characteristics of the structure of the code K / KS separate / single Split KK / KKS double / double row Split KZK link with crank pin KBK link with piston pin KNL long cylindrical roller and maintain components DF needle to the heart and Cage have a separate component K-out double and K. ..... ZW type, but also in the cage as a whole can not be installed to use a special needle-generation and maintenance of aircraft components , The rear bearing types plus "D", that is, K. ..... D, K. ..... ZWD. Pre-Code: KBK-piston pin with needle and Cage Assemblies KZK-crank pin with needle and Cage Assemblies WJ-British needle and Cage Assemblies

Needle roller bearings HK0509