RNA6913 Needle Roller Bearing Specifications
Bore d (mm)
72
Outer D (mm)
90
Width B (mm)
45
Dynamic rating Cr (kN)
110
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 RNA6913?
RUIST RNA6913 Needle Roller Bearing: bore d = 72 mm, outer diameter D = 90 mm, width/height B = 45 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST RNA6913 carry?
Dynamic load rating Cr = 110 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 RNA6913 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 RNA6913 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 72 mm, OD 90 mm and width 45 mm match ISO dimensions, RNA6913 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.