Cylindrical Roller Bearings
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Cylindrical Roller Bearings NU321ECJ

Cylindrical Roller Bearings NU321ECJ Specifications
Designation NU321ECJ
Principle dimensions(d) 105mm
Principle dimensions(D) 225mm
Principle dimensions(B) 49mm
Basic load ratings(dyn.) 500kN
Basic load ratings(stat.) 500kN
Reference speed 3200r/min
Limiting speed 3800r/min
Weight 8,9kg


Roller and Raceway for the line contact. High Load capacity, main Radial load. low friction For Rolling element and the ring flange,Suitable for high-speed rotation.

HRT Manufacturer Series:
Single Row Cylindrical roller bearings NU,NJ,NUP,N,NF Series.
Double Row Cylindrical roller bearings NNU,NN Series.
Four Row Cylindrical roller bearings FC,FCD Series.

Suffix Number:
ECP: Injection moulded cage of glass fibre reinforced polyamide.
ECJ: Pressed steel cage.
ECM: Two-piece machined brass cage.

Main application: Large and medium-sized motors, rolling stock, spindle machines, internal combustion engines, generators, gas turbine, gearbox, rolling mill, vibrating screen and hoisting and conveying machinery.