RNA6911 Needle Roller Bearing Specifications
Bore d (mm)
63
Outer D (mm)
80
Width B (mm)
45
Dynamic rating Cr (kN)
104
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 RNA6911?
RUIST RNA6911 Needle Roller Bearing: bore d = 63 mm, outer diameter D = 80 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 RNA6911 carry?
Dynamic load rating Cr = 104 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 RNA6911 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 RNA6911 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 63 mm, OD 80 mm and width 45 mm match ISO dimensions, RNA6911 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.