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

H71900/HQ1 Angular Contact Bearing

Asymmetric Ring

Ceramic Ball


ISO 19

H71900/HQ1 Angular Contact Bearing Asymmetrical Rings Ceramic Balls

Bearing Dimensions

H71900-HQ1 Angular Contact Bearing Dimensions

Load Ratings

H71900-HQ1 Angular Contact Bearing Load Ratings

Speeds C

H71900-HQ1 Angular Contact Bearing Speeds C

Rigidity C

H71900-HQ1 Angular Contact Bearing Rigidity C

Speeds AC

H71900-HQ1 Angular Contact Bearing Speeds AC

Rigidity AC

H71900-HQ1 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  H71900/HQ1 Angular Contact Bearing b Print v1