51320M Thrust Ball Bearing Specifications
Bore d (mm)
100
Outer D (mm)
170
Width B (mm)
55
Dynamic rating Cr (kN)
276
Static rating Cor (kN)
705
Grease limit speed (r/min)
950
Oil limit speed (r/min)
1400
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 51320M?
RUIST 51320M Thrust Ball Bearing: bore d = 100 mm, outer diameter D = 170 mm, width/height B = 55 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 51320M carry?
Dynamic load rating Cr = 276 kN and static load rating Cor = 705 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 51320M 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 51320M replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 100 mm, OD 170 mm and width 55 mm match ISO dimensions, 51320M is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.