7321 Angular Contact Ball Bearing Specifications
Bore d (mm)
105
Outer D (mm)
225
Width B (mm)
49
Dynamic rating Cr (kN)
53.6
Static rating Cor (kN)
32.2
Grease limit speed (r/min)
3928
Oil limit speed (r/min)
4910
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 7321?
RUIST 7321 Angular Contact Ball Bearing: bore d = 105 mm, outer diameter D = 225 mm, width/height B = 49 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 7321 carry?
Dynamic load rating Cr = 53.6 kN and static load rating Cor = 32.2 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 7321 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 7321 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 105 mm, OD 225 mm and width 49 mm match ISO dimensions, 7321 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.