30221 Tapered Roller Bearing Specifications
Bore d (mm)
105
Outer D (mm)
190
Width B (mm)
39
Dynamic rating Cr (kN)
333
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 30221?
RUIST 30221 Tapered Roller Bearing: bore d = 105 mm, outer diameter D = 190 mm, width/height B = 39 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 30221 carry?
Dynamic load rating Cr = 333 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 30221 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 30221 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 105 mm, OD 190 mm and width 39 mm match ISO dimensions, 30221 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.