NNU4952MB Cylindrical Roller Bearing Specifications
Bore d (mm)
260
Outer D (mm)
360
Width B (mm)
100
Dynamic rating Cr (kN)
1070
Static rating Cor (kN)
2100
Grease limit speed (r/min)
2100
Oil limit speed (r/min)
2600
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NNU4952MB?
RUIST NNU4952MB Cylindrical Roller Bearing: bore d = 260 mm, outer diameter D = 360 mm, width/height B = 100 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST NNU4952MB carry?
Dynamic load rating Cr = 1070 kN and static load rating Cor = 2100 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST NNU4952MB 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 NNU4952MB replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 260 mm, OD 360 mm and width 100 mm match ISO dimensions, NNU4952MB is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.