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pCall COREDEMAR Toll Free +1 800 959 0763
Super Precision, High Speed Spindle Bearings

7300 Medium (ISO 03)

Relieved Outer Ring



ISO 03

H71900 Angular Contact Bearing Asymmetrical Rings Small Ball

Bearing Dimensions

7300 Angular Contact Bearing Dimensions

Load Ratings

7300 Angular  Contact Bearing Load Ratings

Speeds C

7300 Angular Contact Bearing Dimensions

Rigidity C

7300 Angular Contact Bearing Rigidity C

Speeds AC

7300 Angular Contact Bearing Speeds AC

Rigidity AC

7300 Angular Contact Bearing Rigidity AC


The COREDEMAR interchange is based primarily upon envelope dimensions. Please refer to the appropriate tab above for load ratings, speeds and rigidities associated with this part number.

Space limitations prohibit listing all of our competitors so this is only a representative chart. If you have a part number not indicated, give us a call; we can interchange regardless. To learn more about the COREDEMAR interchange, please visit our page "Building the Part Number."


d Inner Diameter Rs min Radius RPM Rotations/Minute
D Outer Diameter R1s min Radius KN Kilo Newtons
B Width Ra Axial Rigidity N Newtons (1N = .2248 lbs.)
Dw Ball Size Rr Radial Rigidity μ Micron (.00004′)
Z Ball Quantity mm Millimeters


packaging_specifications_download_pdf  7300 Medium (ISO 03) b Print v1