43131/43319D Tapered Roller Bearing Specifications
Bore d (mm)
33.338
Outer D (mm)
80.962
Width B (mm)
39.688
Dynamic rating Cr (kN)
125
Static rating Cor (kN)
32.4
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 43131/43319D?
RUIST 43131/43319D Tapered Roller Bearing: bore d = 33.338 mm, outer diameter D = 80.962 mm, width/height B = 39.688 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 43131/43319D carry?
Dynamic load rating Cr = 125 kN and static load rating Cor = 32.4 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 43131/43319D 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 43131/43319D replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 33.338 mm, OD 80.962 mm and width 39.688 mm match ISO dimensions, 43131/43319D is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.