3479/3420/B Tapered Roller Bearing Specifications
Bore d (mm)
36.512
Outer D (mm)
79.375
Width B (mm)
29.37
Dynamic rating Cr (kN)
96.9
Static rating Cor (kN)
19
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 3479/3420/B?
RUIST 3479/3420/B Tapered Roller Bearing: bore d = 36.512 mm, outer diameter D = 79.375 mm, width/height B = 29.37 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 3479/3420/B carry?
Dynamic load rating Cr = 96.9 kN and static load rating Cor = 19 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 3479/3420/B 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 3479/3420/B replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 36.512 mm, OD 79.375 mm and width 29.37 mm match ISO dimensions, 3479/3420/B is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.