6391K/6320 Tapered Roller Bearing Specifications
Bore d (mm)
59.987
Outer D (mm)
135.755
Width B (mm)
56.007
Dynamic rating Cr (kN)
353
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 6391K/6320?
RAYSDE 6391K/6320 Tapered Roller Bearing: bore d = 59.987 mm, outer diameter D = 135.755 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 6391K/6320 carry?
Dynamic load rating Cr = 353 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 6391K/6320 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 6391K/6320 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 59.987 mm, OD 135.755 mm and width 56.007 mm match ISO dimensions, 6391K/6320 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.