31315 Tapered Roller Bearing Specifications
Bore d (mm)
75
Outer D (mm)
160
Width B (mm)
40
Dynamic rating Cr (kN)
236
Static rating Cor (kN)
288
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 31315?
RUIST 31315 Tapered Roller Bearing: bore d = 75 mm, outer diameter D = 160 mm, width/height B = 40 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 31315 carry?
Dynamic load rating Cr = 236 kN and static load rating Cor = 288 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 31315 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 31315 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 75 mm, OD 160 mm and width 40 mm match ISO dimensions, 31315 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.