48393/48320D Tapered Roller Bearing Specifications
Bore d (mm)
136.525
Outer D (mm)
190.5
Width B (mm)
73.025
Dynamic rating Cr (kN)
456
Static rating Cor (kN)
118
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 48393/48320D?
RUIST 48393/48320D Tapered Roller Bearing: bore d = 136.525 mm, outer diameter D = 190.5 mm, width/height B = 73.025 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 48393/48320D carry?
Dynamic load rating Cr = 456 kN and static load rating Cor = 118 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 48393/48320D 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 48393/48320D replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 136.525 mm, OD 190.5 mm and width 73.025 mm match ISO dimensions, 48393/48320D is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.