53408 Bearing Specifications
Bore d (mm)
40
Outer D (mm)
90
Width B (mm)
38.2
Dynamic rating Cr (kN)
103
Static rating Cor (kN)
188
Grease limit speed (r/min)
1700
Oil limit speed (r/min)
2600
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 53408?
RUIST 53408 Bearing: bore d = 40 mm, outer diameter D = 90 mm, width/height B = 38.2 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 53408 carry?
Dynamic load rating Cr = 103 kN and static load rating Cor = 188 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 53408 typically used?
Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST 53408 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 40 mm, OD 90 mm and width 38.2 mm match ISO dimensions, 53408 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.