30305 Tapered Roller Bearing Specifications
Bore d (mm)
25
Outer D (mm)
62
Width B (mm)
18.25
Dynamic rating Cr (kN)
55.3
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 30305?
RUIST 30305 Tapered Roller Bearing: bore d = 25 mm, outer diameter D = 62 mm, width/height B = 18.25 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 30305 carry?
Dynamic load rating Cr = 55.3 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 30305 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 30305 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 25 mm, OD 62 mm and width 18.25 mm match ISO dimensions, 30305 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.