28985/28921DC Tapered Roller Bearing Specifications
Bore d (mm)
60.325
Outer D (mm)
100
Width B (mm)
4.45
Dynamic rating Cr (kN)
171
Static rating Cor (kN)
44.3
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 28985/28921DC?
RUIST 28985/28921DC Tapered Roller Bearing: bore d = 60.325 mm, outer diameter D = 100 mm, width/height B = 4.45 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 28985/28921DC carry?
Dynamic load rating Cr = 171 kN and static load rating Cor = 44.3 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 28985/28921DC 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 28985/28921DC replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 60.325 mm, OD 100 mm and width 4.45 mm match ISO dimensions, 28985/28921DC is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.