51310 Bearing Specifications
Bore d (mm)
50
Outer D (mm)
95
Width B (mm)
31
Dynamic rating Cr (kN)
97.5
Static rating Cor (kN)
202
Grease limit speed (r/min)
1800
Oil limit speed (r/min)
2800
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 51310?
RUIST 51310 Bearing: bore d = 50 mm, outer diameter D = 95 mm, width/height B = 31 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 51310 carry?
Dynamic load rating Cr = 97.5 kN and static load rating Cor = 202 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 51310 typically used?
Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST 51310 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 50 mm, OD 95 mm and width 31 mm match ISO dimensions, 51310 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.