3198/3120 Tapered Roller Bearing Specifications
Bore d (mm)
28.575
Outer D (mm)
72.626
Width B (mm)
30.162
Dynamic rating Cr (kN)
87.7
Static rating Cor (kN)
102
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 3198/3120?
RUIST 3198/3120 Tapered Roller Bearing: bore d = 28.575 mm, outer diameter D = 72.626 mm, width/height B = 30.162 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 3198/3120 carry?
Dynamic load rating Cr = 87.7 kN and static load rating Cor = 102 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 3198/3120 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 3198/3120 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 28.575 mm, OD 72.626 mm and width 30.162 mm match ISO dimensions, 3198/3120 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.