6220DDU Deep Groove Ball Bearing Specifications
Bore d (mm)
100
Outer D (mm)
180
Width B (mm)
34
Dynamic rating Cr (kN)
134
Static rating Cor (kN)
93
Grease limit speed (r/min)
2400
Oil limit speed (r/min)
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Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 6220DDU?
RUIST 6220DDU Deep Groove Ball Bearing: bore d = 100 mm, outer diameter D = 180 mm, width/height B = 34 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 6220DDU carry?
Dynamic load rating Cr = 134 kN and static load rating Cor = 93 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 6220DDU 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 6220DDU replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 100 mm, OD 180 mm and width 34 mm match ISO dimensions, 6220DDU is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.