331999 Tapered Roller Bearing Specifications
Bore d (mm)
431.8
Outer D (mm)
571.5
Width B (mm)
366.713
Dynamic rating Cr (kN)
4950
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 331999?
RUIST 331999 Tapered Roller Bearing: bore d = 431.8 mm, outer diameter D = 571.5 mm, width/height B = 366.713 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 331999 carry?
Dynamic load rating Cr = 4950 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 331999 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 331999 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 431.8 mm, OD 571.5 mm and width 366.713 mm match ISO dimensions, 331999 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.