6389Q Tapered Roller Bearing Specifications
Bore d (mm)
66.675
Outer D (mm)
—
Width B (mm)
56.007
Dynamic rating Cr (kN)
286
Static rating Cor (kN)
—
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RAYSDE 6389Q?
RAYSDE 6389Q Tapered Roller Bearing: bore d = 66.675 mm, outer diameter D = — mm, width/height B = 56.007 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RAYSDE 6389Q carry?
Dynamic load rating Cr = 286 kN and static load rating Cor = — kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RAYSDE 6389Q 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 6389Q replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 66.675 mm, OD — mm and width 56.007 mm match ISO dimensions, 6389Q is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.