47487/47420A Tapered Roller Bearing Specifications
Bore d (mm)
69.85
Outer D (mm)
120
Width B (mm)
32.545
Dynamic rating Cr (kN)
166
Static rating Cor (kN)
249
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 47487/47420A?
RUIST 47487/47420A Tapered Roller Bearing: bore d = 69.85 mm, outer diameter D = 120 mm, width/height B = 32.545 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 47487/47420A carry?
Dynamic load rating Cr = 166 kN and static load rating Cor = 249 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 47487/47420A 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 47487/47420A replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 69.85 mm, OD 120 mm and width 32.545 mm match ISO dimensions, 47487/47420A is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.