51120M Thrust Ball Bearing Specifications
Bore d (mm)
100
Outer D (mm)
135
Width B (mm)
25
Dynamic rating Cr (kN)
83.5
Static rating Cor (kN)
285
Grease limit speed (r/min)
1700
Oil limit speed (r/min)
2400
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 51120M?
RUIST 51120M Thrust Ball Bearing: bore d = 100 mm, outer diameter D = 135 mm, width/height B = 25 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 51120M carry?
Dynamic load rating Cr = 83.5 kN and static load rating Cor = 285 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 51120M 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 51120M replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 100 mm, OD 135 mm and width 25 mm match ISO dimensions, 51120M is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.