NU1056 Cylindrical Roller Bearing Specifications
Bore d (mm)
280
Outer D (mm)
420
Width B (mm)
65
Dynamic rating Cr (kN)
810
Static rating Cor (kN)
1050
Grease limit speed (r/min)
1400
Oil limit speed (r/min)
1700
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NU1056?
RUIST NU1056 Cylindrical Roller Bearing: bore d = 280 mm, outer diameter D = 420 mm, width/height B = 65 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST NU1056 carry?
Dynamic load rating Cr = 810 kN and static load rating Cor = 1050 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST NU1056 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 NU1056 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 280 mm, OD 420 mm and width 65 mm match ISO dimensions, NU1056 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.