RNA4922 Needle Roller Bearing Specifications
Bore d (mm)
125
Outer D (mm)
150
Width B (mm)
40
Dynamic rating Cr (kN)
150
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 RNA4922?
RUIST RNA4922 Needle Roller Bearing: bore d = 125 mm, outer diameter D = 150 mm, width/height B = 40 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST RNA4922 carry?
Dynamic load rating Cr = 150 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 RNA4922 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 RNA4922 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 125 mm, OD 150 mm and width 40 mm match ISO dimensions, RNA4922 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.