Page 141 of Angular Contact Ball Bearings for Radial Loads by NTN Corporation Japan

main spindle bearings ras ras ras r1as dynamic equivalent radial load pr e xfr yfa da da db 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 20.3 22.3 23.5 24.7 27.9 29.1 30.3 33.0 34.2 35.4 38.1 mass kg single-row approx face-to-face df reference dimensions when por fr with single-row or tandem f r arrangement por abutment and fillet dimensions mm da max part number r1as max da d1 56.9 62.6 67.6 72.6 79.2 84.2 89.2 96.0 100.9 105.9 111.9 d2 56.0 61.7 66.7 71.7 78.3 83.3 88.3 95.0 100.0 105.0 110.9 d1 65.0 72.1 77.1 82.1 90.2 95.2 100.2 108.6 113.6 118.6 127.3 min db min ras max 0.6 1 1 1 1 1 1 1 1 1 1 0.14 0.18 0.20 0.21 0.36 0.37 0.39 0.57 0.59 0.62 0.82 54.5 60.5 65.5 70.5 75.5 80.5 85.5 92 97 102 107 52.5 59.5 64.5 69.5 74.5 79.5 84.5 89.5 94.5 99.5 104.5 67.5 74.5 79.5 84.5 94.5 99.5 104.5 113 118 123 133 0.3 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 5s-2la-bns910adllb 5s-2la-bns911adllb 5s-2la-bns912adllb 5s-2la-bns913adllb 5s-2la-bns914adllb 5s-2la-bns915adllb 5s-2la-bns916adllb 5s-2la-bns917adllb 5s-2la-bns918adllb 5s-2la-bns919adllb 5s-2la-bns920adllb 195

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