R2ZZ Deep Groove Ball Bearing Specifications
Bore d (mm)
3.175
Outer D (mm)
9.525
Width B (mm)
3.967
Dynamic rating Cr (kN)
0.695
Static rating Cor (kN)
0.218
Grease limit speed (r/min)
56000
Oil limit speed (r/min)
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Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST R2ZZ?
RUIST R2ZZ Deep Groove Ball Bearing: bore d = 3.175 mm, outer diameter D = 9.525 mm, width/height B = 3.967 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST R2ZZ carry?
Dynamic load rating Cr = 0.695 kN and static load rating Cor = 0.218 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST R2ZZ 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 R2ZZ replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 3.175 mm, OD 9.525 mm and width 3.967 mm match ISO dimensions, R2ZZ is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.