R3ZZ Deep Groove Ball Bearing Specifications
Bore d (mm)
4.762
Outer D (mm)
12.7
Width B (mm)
4.978
Dynamic rating Cr (kN)
1.43
Static rating Cor (kN)
0.485
Grease limit speed (r/min)
43000
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST R3ZZ?
RUIST R3ZZ Deep Groove Ball Bearing: bore d = 4.762 mm, outer diameter D = 12.7 mm, width/height B = 4.978 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST R3ZZ carry?
Dynamic load rating Cr = 1.43 kN and static load rating Cor = 0.485 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST R3ZZ 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 R3ZZ replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 4.762 mm, OD 12.7 mm and width 4.978 mm match ISO dimensions, R3ZZ is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.