331945 Tapered Roller Bearing Specifications
Bore d (mm)
228.6
Outer D (mm)
488.95
Width B (mm)
203.2
Dynamic rating Cr (kN)
3143
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 331945?
RUIST 331945 Tapered Roller Bearing: bore d = 228.6 mm, outer diameter D = 488.95 mm, width/height B = 203.2 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 331945 carry?
Dynamic load rating Cr = 3143 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 331945 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 331945 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 228.6 mm, OD 488.95 mm and width 203.2 mm match ISO dimensions, 331945 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.