MR128 Deep Groove Ball Bearing Specifications
Bore d (mm)
8
Outer D (mm)
12
Width B (mm)
2.5
Dynamic rating Cr (kN)
0.6
Static rating Cor (kN)
0.274
Grease limit speed (r/min)
40000
Oil limit speed (r/min)
48000
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST MR128?
RUIST MR128 Deep Groove Ball Bearing: bore d = 8 mm, outer diameter D = 12 mm, width/height B = 2.5 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST MR128 carry?
Dynamic load rating Cr = 0.6 kN and static load rating Cor = 0.274 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST MR128 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 MR128 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 8 mm, OD 12 mm and width 2.5 mm match ISO dimensions, MR128 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.