51115M Thrust Ball Bearing Specifications
Bore d (mm)
75
Outer D (mm)
100
Width B (mm)
19
Dynamic rating Cr (kN)
48
Static rating Cor (kN)
143
Grease limit speed (r/min)
2200
Oil limit speed (r/min)
3200
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 51115M?
RUIST 51115M Thrust Ball Bearing: bore d = 75 mm, outer diameter D = 100 mm, width/height B = 19 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 51115M carry?
Dynamic load rating Cr = 48 kN and static load rating Cor = 143 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 51115M typically used?
Thrust Ball Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST 51115M replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 75 mm, OD 100 mm and width 19 mm match ISO dimensions, 51115M is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.