RNA4905-2RS Needle Roller Bearing Specifications
Bore d (mm)
30
Outer D (mm)
42
Width B (mm)
17
Dynamic rating Cr (kN)
24.5
Static rating Cor (kN)
—
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RAYSDE RNA4905-2RS?
RAYSDE RNA4905-2RS Needle Roller Bearing: bore d = 30 mm, outer diameter D = 42 mm, width/height B = 17 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RAYSDE RNA4905-2RS carry?
Dynamic load rating Cr = 24.5 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 RAYSDE RNA4905-2RS typically used?
Needle Roller Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RAYSDE RNA4905-2RS replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 30 mm, OD 42 mm and width 17 mm match ISO dimensions, RNA4905-2RS is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.