25576/25521 Tapered Roller Bearing Specifications
Bore d (mm)
42.862
Outer D (mm)
83.058
Width B (mm)
23.812
Dynamic rating Cr (kN)
83.8
Static rating Cor (kN)
111
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 25576/25521?
RUIST 25576/25521 Tapered Roller Bearing: bore d = 42.862 mm, outer diameter D = 83.058 mm, width/height B = 23.812 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 25576/25521 carry?
Dynamic load rating Cr = 83.8 kN and static load rating Cor = 111 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 25576/25521 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 25576/25521 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 42.862 mm, OD 83.058 mm and width 23.812 mm match ISO dimensions, 25576/25521 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.