NNU49/630K Cylindrical Roller Bearing Specifications
Bore d (mm)
630
Outer D (mm)
850
Width B (mm)
218
Dynamic rating Cr (kN)
4200
Static rating Cor (kN)
11400
Grease limit speed (r/min)
800
Oil limit speed (r/min)
1000
Frequently Asked Questions / FAQ
What are the exact dimensions of RAYSDE NNU49/630K?
RAYSDE NNU49/630K Cylindrical Roller Bearing: bore d = 630 mm, outer diameter D = 850 mm, width/height B = 218 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RAYSDE NNU49/630K carry?
Dynamic load rating Cr = 4200 kN and static load rating Cor = 11400 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RAYSDE NNU49/630K typically used?
Cylindrical Roller Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RAYSDE NNU49/630K replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 630 mm, OD 850 mm and width 218 mm match ISO dimensions, NNU49/630K is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.