30317 Tapered Roller Bearing Specifications
Bore d (mm)
85
Outer D (mm)
180
Width B (mm)
44.5
Dynamic rating Cr (kN)
290
Static rating Cor (kN)
346
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 30317?
RUIST 30317 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 30317 carry?
Dynamic load rating Cr = 290 kN and static load rating Cor = 346 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 30317 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 30317 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 85 mm, OD 180 mm and width 44.5 mm match ISO dimensions, 30317 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.