2308 Self-Aligning Ball Bearing Specifications
Bore d (mm)
40
Outer D (mm)
90
Width B (mm)
33
Dynamic rating Cr (kN)
50
Static rating Cor (kN)
13.5
Grease limit speed (r/min)
6300
Oil limit speed (r/min)
8000
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 2308?
RUIST 2308 Self-Aligning Ball Bearing: bore d = 40 mm, outer diameter D = 90 mm, width/height B = 33 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 2308 carry?
Dynamic load rating Cr = 50 kN and static load rating Cor = 13.5 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 2308 typically used?
Self-Aligning Ball Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST 2308 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 40 mm, OD 90 mm and width 33 mm match ISO dimensions, 2308 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.