7221ACM Angular Contact Ball Bearing Specifications
Bore d (mm)
105
Outer D (mm)
190
Width B (mm)
36
Dynamic rating Cr (kN)
131
Static rating Cor (kN)
114
Grease limit speed (r/min)
2800
Oil limit speed (r/min)
3800
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 7221ACM?
RUIST 7221ACM Angular Contact Ball Bearing: bore d = 105 mm, outer diameter D = 190 mm, width/height B = 36 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 7221ACM carry?
Dynamic load rating Cr = 131 kN and static load rating Cor = 114 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 7221ACM 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 7221ACM replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 105 mm, OD 190 mm and width 36 mm match ISO dimensions, 7221ACM is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.