Double-row cylindrical roller bearings

Detailed parameters of double row cylindrical roller bearing NN series Sanli product features: fast rotation speed, vacuum degassing bearing steel processing technology, low oxygen content, rotation speed up to 50,000 rpm, low noise, the decibel value generated by the bearing is below 30d, giving you a quiet High-precision working environment can provide precision grades of P0, P6, P5, P4 and national standard P2 products with long service life. High-nitrogen bearing steel raw materials are used, and the bainite quenching process is used. The residual austenite is low, and the bearings have long service life and temperature resistance. Made of high temperature resistant materials...