81575/81963CD Tapered Roller Bearing Specifications
Bore d (mm)
146.05
Outer D (mm)
244.475
Width B (mm)
79.375
Dynamic rating Cr (kN)
648
Static rating Cor (kN)
168
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 81575/81963CD?
RUIST 81575/81963CD Tapered Roller Bearing: bore d = 146.05 mm, outer diameter D = 244.475 mm, width/height B = 79.375 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 81575/81963CD carry?
Dynamic load rating Cr = 648 kN and static load rating Cor = 168 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 81575/81963CD 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 81575/81963CD replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 146.05 mm, OD 244.475 mm and width 79.375 mm match ISO dimensions, 81575/81963CD is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.