HR31316J Tapered Roller Bearing Specifications
Bore d (mm)
80
Outer D (mm)
170
Width B (mm)
42.5
Dynamic rating Cr (kN)
290
Static rating Cor (kN)
283
Grease limit speed (r/min)
2000
Oil limit speed (r/min)
2800
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST HR31316J?
RUIST HR31316J Tapered Roller Bearing: bore d = 80 mm, outer diameter D = 170 mm, width/height B = 42.5 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST HR31316J carry?
Dynamic load rating Cr = 290 kN and static load rating Cor = 283 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST HR31316J 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 HR31316J replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 80 mm, OD 170 mm and width 42.5 mm match ISO dimensions, HR31316J is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.