25880/25821 Tapered Roller Bearing Specifications
Bore d (mm)
36.487
Outer D (mm)
73.025
Width B (mm)
23.812
Dynamic rating Cr (kN)
78.8
Static rating Cor (kN)
97.4
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 25880/25821?
RUIST 25880/25821 Tapered Roller Bearing: bore d = 36.487 mm, outer diameter D = 73.025 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 25880/25821 carry?
Dynamic load rating Cr = 78.8 kN and static load rating Cor = 97.4 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 25880/25821 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 25880/25821 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 36.487 mm, OD 73.025 mm and width 23.812 mm match ISO dimensions, 25880/25821 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.