Roller bearings are used in all main shaft and auxiliary drive shaft applications to support pure radial load, and allow for axial shaft elongation due to temperature changes with no additional load effect on the bearing.
17x40x12mm NJ203 BEARINGS ,we are produe this bearings with Chrome steel Gcr15 ,and brone cage ,we can produce roller quantity with 11 PCS ,12 PCS ,you can tell me your requirements .
accommodating errors in housing
assembly and misalignments between the inner and outer rings;
automatically corrected to
reduce excessive force to bearings;
608 silicon nitrideballs ceramic bearing with size 8*22*7mm ,this bearing are produce with ceramic Si3N4 and PEEK Seals which can working at temperature at 800 degree .
stabilizing treatment allowing the bearings to work with
temperatures up to 150° C, without dimensional
change and distortion;
higher working performance and low cost to help the steel
mills reduce their rolling mill cost;
Angular contact bearing BA230-7A(230*300*35) is used in excavator travel gearbox.
ZHZB Excavator Bearing Factory Supplier Provides High Quality BA230-7A
