81144M Thrust Ball Bearing Specifications
Bore d (mm)
220
Outer D (mm)
270
Width B (mm)
37
Dynamic rating Cr (kN)
335
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 81144M?
RAYSDE 81144M Thrust Ball Bearing: bore d = 220 mm, outer diameter D = 270 mm, width/height B = 37 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RAYSDE 81144M carry?
Dynamic load rating Cr = 335 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 81144M typically used?
Thrust Ball Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RAYSDE 81144M replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 220 mm, OD 270 mm and width 37 mm match ISO dimensions, 81144M is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.