51138M Thrust Ball Bearing Specifications
Bore d (mm)
190
Outer D (mm)
240
Width B (mm)
37
Dynamic rating Cr (kN)
172
Static rating Cor (kN)
—
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 51138M?
RUIST 51138M Thrust Ball Bearing: bore d = 190 mm, outer diameter D = 240 mm, width/height B = 37 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 51138M carry?
Dynamic load rating Cr = 172 kN and static load rating Cor = — kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 51138M 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 51138M replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 190 mm, OD 240 mm and width 37 mm match ISO dimensions, 51138M is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.