30321 Tapered Roller Bearing Specifications
Bore d (mm)
105
Outer D (mm)
225
Width B (mm)
53.5
Dynamic rating Cr (kN)
462
Static rating Cor (kN)
—
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 30321?
RUIST 30321 Tapered Roller Bearing: bore d = 105 mm, outer diameter D = 225 mm, width/height B = 53.5 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 30321 carry?
Dynamic load rating Cr = 462 kN and static load rating Cor = — kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 30321 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 30321 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 105 mm, OD 225 mm and width 53.5 mm match ISO dimensions, 30321 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.