HR30312J Tapered Roller Bearing Specifications
Bore d (mm)
60
Outer D (mm)
130
Width B (mm)
33.5
Dynamic rating Cr (kN)
214
Static rating Cor (kN)
201
Grease limit speed (r/min)
3000
Oil limit speed (r/min)
4000
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST HR30312J?
RUIST HR30312J 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 HR30312J carry?
Dynamic load rating Cr = 214 kN and static load rating Cor = 201 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST HR30312J 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 HR30312J replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 60 mm, OD 130 mm and width 33.5 mm match ISO dimensions, HR30312J is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.