51330X Bearing Specifications
Bore d (mm)
150
Outer D (mm)
250
Width B (mm)
80
Dynamic rating Cr (kN)
380
Static rating Cor (kN)
1200
Grease limit speed (r/min)
670
Oil limit speed (r/min)
1000
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 51330X?
RUIST 51330X Bearing: bore d = 150 mm, outer diameter D = 250 mm, width/height B = 80 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 51330X carry?
Dynamic load rating Cr = 380 kN and static load rating Cor = 1200 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 51330X typically used?
Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST 51330X replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 150 mm, OD 250 mm and width 80 mm match ISO dimensions, 51330X is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.