6461/6420 Tapered Roller Bearing Specifications
Bore d (mm)
76.2
Outer D (mm)
149.225
Width B (mm)
53.975
Dynamic rating Cr (kN)
321
Static rating Cor (kN)
463
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 6461/6420?
RUIST 6461/6420 Tapered Roller Bearing: bore d = 76.2 mm, outer diameter D = 149.225 mm, width/height B = 53.975 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 6461/6420 carry?
Dynamic load rating Cr = 321 kN and static load rating Cor = 463 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 6461/6420 typically used?
Tapered Roller Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST 6461/6420 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 76.2 mm, OD 149.225 mm and width 53.975 mm match ISO dimensions, 6461/6420 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.