30330 Tapered Roller Bearing Specifications
Bore d (mm)
150
Outer D (mm)
320
Width B (mm)
72
Dynamic rating Cr (kN)
845
Static rating Cor (kN)
860
Grease limit speed (r/min)
1100
Oil limit speed (r/min)
1500
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 30330?
RUIST 30330 Tapered Roller Bearing: bore d = 150 mm, outer diameter D = 320 mm, width/height B = 72 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 30330 carry?
Dynamic load rating Cr = 845 kN and static load rating Cor = 860 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 30330 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 30330 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 150 mm, OD 320 mm and width 72 mm match ISO dimensions, 30330 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.