749A743 Tapered Roller Bearing Specifications
Bore d (mm)
82.55
Outer D (mm)
150
Width B (mm)
44.455
Dynamic rating Cr (kN)
325
Static rating Cor (kN)
370
Grease limit speed (r/min)
2400
Oil limit speed (r/min)
3200
Frequently Asked Questions / FAQ
What are the exact dimensions of RAYSDE 749A743?
RAYSDE 749A743 Tapered Roller Bearing: bore d = 82.55 mm, outer diameter D = 150 mm, width/height B = 44.455 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RAYSDE 749A743 carry?
Dynamic load rating Cr = 325 kN and static load rating Cor = 370 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RAYSDE 749A743 typically used?
Tapered Roller Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RAYSDE 749A743 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 82.55 mm, OD 150 mm and width 44.455 mm match ISO dimensions, 749A743 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.