RNA4848 Needle Roller Bearing Specifications
Bore d (mm)
265
Outer D (mm)
300
Width B (mm)
60
Dynamic rating Cr (kN)
347
Static rating Cor (kN)
—
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST RNA4848?
RUIST RNA4848 Needle Roller Bearing: bore d = 265 mm, outer diameter D = 300 mm, width/height B = 60 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST RNA4848 carry?
Dynamic load rating Cr = 347 kN and static load rating Cor = — kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST RNA4848 typically used?
Needle Roller Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST RNA4848 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 265 mm, OD 300 mm and width 60 mm match ISO dimensions, RNA4848 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.