NJ1044 Cylindrical Roller Bearing Specifications
Bore d (mm)
220
Outer D (mm)
340
Width B (mm)
56
Dynamic rating Cr (kN)
615
Static rating Cor (kN)
750
Grease limit speed (r/min)
1800
Oil limit speed (r/min)
2200
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NJ1044?
RUIST NJ1044 Cylindrical Roller Bearing: bore d = 220 mm, outer diameter D = 340 mm, width/height B = 56 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST NJ1044 carry?
Dynamic load rating Cr = 615 kN and static load rating Cor = 750 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST NJ1044 typically used?
Cylindrical Roller Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST NJ1044 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 220 mm, OD 340 mm and width 56 mm match ISO dimensions, NJ1044 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.