53318 Bearing Specifications
Bore d (mm)
90
Outer D (mm)
155
Width B (mm)
54.6
Dynamic rating Cr (kN)
214
Static rating Cor (kN)
525
Grease limit speed (r/min)
1100
Oil limit speed (r/min)
1700
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 53318?
RUIST 53318 Bearing: bore d = 90 mm, outer diameter D = 155 mm, width/height B = 54.6 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 53318 carry?
Dynamic load rating Cr = 214 kN and static load rating Cor = 525 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 53318 typically used?
Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST 53318 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 90 mm, OD 155 mm and width 54.6 mm match ISO dimensions, 53318 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.