R2/5ZZ Deep Groove Ball Bearing Specifications
Bore d (mm)
3.175
Outer D (mm)
7.938
Width B (mm)
3.571
Dynamic rating Cr (kN)
0.615
Static rating Cor (kN)
0.179
Grease limit speed (r/min)
60000
Oil limit speed (r/min)
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Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST R2/5ZZ?
RUIST R2/5ZZ Deep Groove Ball Bearing: bore d = 3.175 mm, outer diameter D = 7.938 mm, width/height B = 3.571 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST R2/5ZZ carry?
Dynamic load rating Cr = 0.615 kN and static load rating Cor = 0.179 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST R2/5ZZ 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 R2/5ZZ replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 3.175 mm, OD 7.938 mm and width 3.571 mm match ISO dimensions, R2/5ZZ is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.