51148X Bearing Specifications
Bore d (mm)
240
Outer D (mm)
300
Width B (mm)
45
Dynamic rating Cr (kN)
229
Static rating Cor (kN)
935
Grease limit speed (r/min)
850
Oil limit speed (r/min)
1200
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 51148X?
RUIST 51148X Bearing: bore d = 240 mm, outer diameter D = 300 mm, width/height B = 45 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 51148X carry?
Dynamic load rating Cr = 229 kN and static load rating Cor = 935 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 51148X typically used?
Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST 51148X replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 240 mm, OD 300 mm and width 45 mm match ISO dimensions, 51148X is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.