6203DDU Deep Groove Ball Bearing Specifications
Bore d (mm)
17
Outer D (mm)
40
Width B (mm)
12
Dynamic rating Cr (kN)
10.5
Static rating Cor (kN)
4.8
Grease limit speed (r/min)
12000
Oil limit speed (r/min)
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Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 6203DDU?
RUIST 6203DDU Deep Groove Ball Bearing: bore d = 17 mm, outer diameter D = 40 mm, width/height B = 12 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 6203DDU carry?
Dynamic load rating Cr = 10.5 kN and static load rating Cor = 4.8 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 6203DDU typically used?
Deep Groove Ball Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST 6203DDU replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 17 mm, OD 40 mm and width 12 mm match ISO dimensions, 6203DDU is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.