749/S/742 Tapered Roller Bearing Specifications
Bore d (mm)
85.026
Outer D (mm)
150.089
Width B (mm)
44.45
Dynamic rating Cr (kN)
294
Static rating Cor (kN)
417
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 749/S/742?
RUIST 749/S/742 Tapered Roller Bearing: bore d = 85.026 mm, outer diameter D = 150.089 mm, width/height B = 44.45 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 749/S/742 carry?
Dynamic load rating Cr = 294 kN and static load rating Cor = 417 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 749/S/742 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 749/S/742 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 85.026 mm, OD 150.089 mm and width 44.45 mm match ISO dimensions, 749/S/742 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.