MR84 Deep Groove Ball Bearing Specifications
Bore d (mm)
4
Outer D (mm)
8
Width B (mm)
2
Dynamic rating Cr (kN)
0.435
Static rating Cor (kN)
0.139
Grease limit speed (r/min)
56000
Oil limit speed (r/min)
67000
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST MR84?
RUIST MR84 Deep Groove Ball Bearing: bore d = 4 mm, outer diameter D = 8 mm, width/height B = 2 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST MR84 carry?
Dynamic load rating Cr = 0.435 kN and static load rating Cor = 0.139 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST MR84 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 MR84 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 4 mm, OD 8 mm and width 2 mm match ISO dimensions, MR84 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.