540/533D Tapered Roller Bearing Specifications
Bore d (mm)
52.388
Outer D (mm)
111.125
Width B (mm)
79.375
Dynamic rating Cr (kN)
277
Static rating Cor (kN)
71.9
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 540/533D?
RUIST 540/533D Tapered Roller Bearing: bore d = 52.388 mm, outer diameter D = 111.125 mm, width/height B = 79.375 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 540/533D carry?
Dynamic load rating Cr = 277 kN and static load rating Cor = 71.9 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 540/533D typically used?
Tapered Roller Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST 540/533D replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 52.388 mm, OD 111.125 mm and width 79.375 mm match ISO dimensions, 540/533D is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.