NN3068KR Cylindrical Roller Bearing Specifications
Bore d (mm)
340
Outer D (mm)
520
Width B (mm)
133
Dynamic rating Cr (kN)
1670
Static rating Cor (kN)
3300
Grease limit speed (r/min)
1600
Oil limit speed (r/min)
1900
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NN3068KR?
RUIST NN3068KR Cylindrical Roller Bearing: bore d = 340 mm, outer diameter D = 520 mm, width/height B = 133 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST NN3068KR carry?
Dynamic load rating Cr = 1670 kN and static load rating Cor = 3300 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST NN3068KR 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 NN3068KR replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 340 mm, OD 520 mm and width 133 mm match ISO dimensions, NN3068KR is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.