31328X Tapered Roller Bearing Specifications
Bore d (mm)
140
Outer D (mm)
300
Width B (mm)
77
Dynamic rating Cr (kN)
693
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 31328X?
RAYSDE 31328X Tapered Roller Bearing: bore d = 140 mm, outer diameter D = 300 mm, width/height B = 77 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RAYSDE 31328X carry?
Dynamic load rating Cr = 693 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 31328X 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 31328X replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 140 mm, OD 300 mm and width 77 mm match ISO dimensions, 31328X is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.