7228ADT Angular Contact Ball Bearing Specifications
Bore d (mm)
140
Outer D (mm)
250
Width B (mm)
84
Dynamic rating Cr (kN)
390
Static rating Cor (kN)
470
Grease limit speed (r/min)
1800
Oil limit speed (r/min)
2400
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 7228ADT?
RUIST 7228ADT Angular Contact Ball Bearing: bore d = 140 mm, outer diameter D = 250 mm, width/height B = 84 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 7228ADT carry?
Dynamic load rating Cr = 390 kN and static load rating Cor = 470 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 7228ADT typically used?
Angular Contact Ball Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST 7228ADT replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 140 mm, OD 250 mm and width 84 mm match ISO dimensions, 7228ADT is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.