HR31326J Tapered Roller Bearing Specifications
Bore d (mm)
130
Outer D (mm)
280
Width B (mm)
72
Dynamic rating Cr (kN)
770
Static rating Cor (kN)
820
Grease limit speed (r/min)
1200
Oil limit speed (r/min)
1700
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST HR31326J?
RUIST HR31326J Tapered Roller Bearing: bore d = 130 mm, outer diameter D = 280 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 HR31326J carry?
Dynamic load rating Cr = 770 kN and static load rating Cor = 820 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST HR31326J 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 HR31326J replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 130 mm, OD 280 mm and width 72 mm match ISO dimensions, HR31326J is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.