5209A1DDU Bearing Specifications
Bore d (mm)
45
Outer D (mm)
85
Width B (mm)
30.2
Dynamic rating Cr (kN)
45.5
Static rating Cor (kN)
33.5
Grease limit speed (r/min)
4300
Oil limit speed (r/min)
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Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 5209A1DDU?
RUIST 5209A1DDU Bearing: bore d = 45 mm, outer diameter D = 85 mm, width/height B = 30.2 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 5209A1DDU carry?
Dynamic load rating Cr = 45.5 kN and static load rating Cor = 33.5 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 5209A1DDU typically used?
Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST 5209A1DDU replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 45 mm, OD 85 mm and width 30.2 mm match ISO dimensions, 5209A1DDU is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.