RNA4860 Needle Roller Bearing Specifications
Bore d (mm)
330
Outer D (mm)
380
Width B (mm)
80
Dynamic rating Cr (kN)
594
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 RNA4860?
RUIST RNA4860 Needle Roller Bearing: bore d = 330 mm, outer diameter D = 380 mm, width/height B = 80 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST RNA4860 carry?
Dynamic load rating Cr = 594 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 RNA4860 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 RNA4860 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 330 mm, OD 380 mm and width 80 mm match ISO dimensions, RNA4860 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.