6228MA Deep Groove Ball Bearing Specifications
Bore d (mm)
140
Outer D (mm)
250
Width B (mm)
42
Dynamic rating Cr (kN)
128
Static rating Cor (kN)
150
Grease limit speed (r/min)
2400
Oil limit speed (r/min)
3000
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 6228MA?
RUIST 6228MA Deep Groove Ball Bearing: bore d = 140 mm, outer diameter D = 250 mm, width/height B = 42 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 6228MA carry?
Dynamic load rating Cr = 128 kN and static load rating Cor = 150 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 6228MA 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 6228MA replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 140 mm, OD 250 mm and width 42 mm match ISO dimensions, 6228MA is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.