31312X3 Tapered Roller Bearing Specifications
Bore d (mm)
60
Outer D (mm)
140
Width B (mm)
42
Dynamic rating Cr (kN)
187
Static rating Cor (kN)
225
Grease limit speed (r/min)
2600
Oil limit speed (r/min)
3600
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 31312X3?
RUIST 31312X3 Tapered Roller Bearing: bore d = 60 mm, outer diameter D = 140 mm, width/height B = 42 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 31312X3 carry?
Dynamic load rating Cr = 187 kN and static load rating Cor = 225 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 31312X3 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 31312X3 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 60 mm, OD 140 mm and width 42 mm match ISO dimensions, 31312X3 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.