HR30317J Tapered Roller Bearing Specifications
Bore d (mm)
85
Outer D (mm)
180
Width B (mm)
44.5
Dynamic rating Cr (kN)
380
Static rating Cor (kN)
375
Grease limit speed (r/min)
2000
Oil limit speed (r/min)
2800
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST HR30317J?
RUIST HR30317J Tapered Roller Bearing: bore d = 85 mm, outer diameter D = 180 mm, width/height B = 44.5 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST HR30317J carry?
Dynamic load rating Cr = 380 kN and static load rating Cor = 375 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST HR30317J 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 HR30317J replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 85 mm, OD 180 mm and width 44.5 mm match ISO dimensions, HR30317J is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.