53260X Bearing Specifications
Bore d (mm)
300
Outer D (mm)
420
Width B (mm)
100.5
Dynamic rating Cr (kN)
540
Static rating Cor (kN)
2410
Grease limit speed (r/min)
450
Oil limit speed (r/min)
670
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 53260X?
RUIST 53260X Bearing: bore d = 300 mm, outer diameter D = 420 mm, width/height B = 100.5 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 53260X carry?
Dynamic load rating Cr = 540 kN and static load rating Cor = 2410 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 53260X typically used?
Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST 53260X replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 300 mm, OD 420 mm and width 100.5 mm match ISO dimensions, 53260X is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.