M12649 Tapered Roller Bearing Specifications
Bore d (mm)
21.43
Outer D (mm)
—
Width B (mm)
18.288
Dynamic rating Cr (kN)
45.4
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 M12649?
RAYSDE M12649 Tapered Roller Bearing: bore d = 21.43 mm, outer diameter D = — mm, width/height B = 18.288 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RAYSDE M12649 carry?
Dynamic load rating Cr = 45.4 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 M12649 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 M12649 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 21.43 mm, OD — mm and width 18.288 mm match ISO dimensions, M12649 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.