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By certification 
Cylindrical roller and raceway for the line of contact. The bearing load capacity, mainly bear radial load. Ring wall and rolling friction small, suitable for high-speed rotation
1）Bearing series:NU、NJ、NUP、N、NF NNU、NN
2) Material: chrome steel (GCR15)
3) Cage: Steel/Cu
4) Roller: steel
5) Precision: P0 - P6
6) Vibration: Z1 - Z3
7）Clearance: C0 - C5
8）Application: Large and medium sized motor, rolling stock, machine tool spindle, internal combustion engine, generator, gas turbine, gear box, rolling mill, vibration sieve, lifting and transportation machinery, etc.
1）Bearing series:NU、NJ、NUP、N、NF NNU、NN
2) Material: chrome steel (GCR15)
3) Cage: Steel/Cu
4) Roller: steel
5) Precision: P0 - P6
6) Vibration: Z1 - Z3
7）Clearance: C0 - C5
8）Application: Large and medium sized motor, rolling stock, machine tool spindle, internal combustion engine, generator, gas turbine, gear box, rolling mill, vibration sieve, lifting and transportation machinery, etc.
