RNA4928 Needle Roller Bearing Specifications
Bore d (mm)
160
Outer D (mm)
190
Width B (mm)
50
Dynamic rating Cr (kN)
236
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 RNA4928?
RUIST RNA4928 Needle Roller Bearing: bore d = 160 mm, outer diameter D = 190 mm, width/height B = 50 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST RNA4928 carry?
Dynamic load rating Cr = 236 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 RNA4928 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 RNA4928 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 160 mm, OD 190 mm and width 50 mm match ISO dimensions, RNA4928 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.