580/572X Tapered Roller Bearing Specifications
Bore d (mm)
82.55
Outer D (mm)
139.7
Width B (mm)
36.512
Dynamic rating Cr (kN)
191
Static rating Cor (kN)
291
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 580/572X?
RUIST 580/572X Tapered Roller Bearing: bore d = 82.55 mm, outer diameter D = 139.7 mm, width/height B = 36.512 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 580/572X carry?
Dynamic load rating Cr = 191 kN and static load rating Cor = 291 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 580/572X 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 580/572X replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 82.55 mm, OD 139.7 mm and width 36.512 mm match ISO dimensions, 580/572X is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.