30312 Tapered Roller Bearing Specifications
Bore d (mm)
60
Outer D (mm)
130
Width B (mm)
33.5
Dynamic rating Cr (kN)
186
Static rating Cor (kN)
221
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 30312?
RUIST 30312 Tapered Roller Bearing: bore d = 60 mm, outer diameter D = 130 mm, width/height B = 33.5 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 30312 carry?
Dynamic load rating Cr = 186 kN and static load rating Cor = 221 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 30312 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 30312 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 60 mm, OD 130 mm and width 33.5 mm match ISO dimensions, 30312 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.