NN4996 Cylindrical Roller Bearing Specifications
Bore d (mm)
480
Outer D (mm)
650
Width B (mm)
170
Dynamic rating Cr (kN)
2690
Static rating Cor (kN)
7000
Grease limit speed (r/min)
1000
Oil limit speed (r/min)
1300
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NN4996?
RUIST NN4996 Cylindrical Roller Bearing: bore d = 480 mm, outer diameter D = 650 mm, width/height B = 170 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST NN4996 carry?
Dynamic load rating Cr = 2690 kN and static load rating Cor = 7000 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST NN4996 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 NN4996 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 480 mm, OD 650 mm and width 170 mm match ISO dimensions, NN4996 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.