Page 123 of Angular Contact Ball Bearings for Radial Loads by NTN Corporation Japan

main spindle bearings r1as ras ras ras dynamic equivalent radial load pr e xfr yfa da db da da single row tandem back-to-back face-to-face fa fr e fa fr e fa fr e fa fr exyxyxyxy 0.68 1 0 0.41 0.87 1 0.92 0.67 1.41 static equivalent radial load por single row tandem xo yo xo fr yo fa back-to-back face-to-face xo yo 0.5 0.38 1 0.76 back-to-back db load center mm a 8.3 8.7 10.0 11.1 13.3 14.5 16.5 18.4 20.2 22.1 23.3 mass kg single-row approx face-to-face df reference dimensions da d1 14.5 16.5 19.5 21.6 26.0 30.7 36.7 42.2 48.2 53.3 58.3 d1 23.4 25.4 28.8 32.2 38.0 43.1 50.4 57.2 62.7 70.3 75.3 min when por fr with single-row or tandem f r arrangement por abutment and fillet dimensions mm db max part number r1as max da max ras max 0.3 0.3 0.3 0.3 0.6 0.6 1 1 1 1 1 0.014 0.020 0.029 0.035 0.064 0.075 0.096 0.14 0.17 0.21 0.23 12.5 14.5 17.5 19.5 24.5 29.5 35.5 40.5 45.5 50.5 55.5 23.5 25.5 29.5 32.5 38.0 43.1 50.4 57.2 62.7 70.3 75.3 24.8 26.8 30.8 33.8 39.5 44.5 50.5 57.5 63.5 70.5 75.5 0.15 0.15 0.15 0.15 0.3 0.3 0.6 0.6 0.6 0.6 0.6 5s-7000adllb 5s-7001adllb 5s-7002adllb 5s-7003adllb 5s-7004adllb 5s-7005adllb 5s-7006adllb 5s-7007adllb 5s-7008adllb 5s-7009adllb 5s-7010adllb 177

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