Page 167 of Precision Rolling Bearings by NTN Corporation Japan

main spindle bearings l r1as ras dynamic equivalent radial load pr e 0.68 xfr yfa single row tandem back-to-back face-to-face fa fr e fa fr e fa fr e fa fr exyxyxyxy 1 0 0.41 0.87 1 0.92 0.67 1.41 da db 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 when por fr with single-row or tandem f r arrangement por load center mm a 23.3 26.0 27.2 28.3 31.1 32.3 35.0 36.2 39.0 40.1 41.3 mass kg single-row approx reference dimensions abutment and fillet dimensions mm da db max part number r1as max d1 61.6 68.6 73.6 78.6 85.6 90.6 97.6 102.6 109.8 114.8 119.8 d2 70.9 79.2 84.2 89.2 97.5 102.5 110.8 115.8 124.2 129.2 134.2 min l2 min 0.27 0.40 0.43 0.46 0.64 0.68 0.91 0.95 1.25 1.30 1.36 55.5 62 67 72 77 82 87 92 98.5 103.5 108.5 75.5 85.5 90.5 95.5 105.5 110.5 120.5 125.5 134.5 139.5 144.5 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 1 1 1 8.5 8.5 8.5 9 9 9 9 9 9 9 9 5s-2la-hsfl010ad 5s-2la-hsfl011ad 5s-2la-hsfl012ad 5s-2la-hsfl013ad 5s-2la-hsfl014ad 5s-2la-hsfl015ad 5s-2la-hsfl016ad 5s-2la-hsfl017ad 5s-2la-hsfl018ad 5s-2la-hsfl019ad 5s-2la-hsfl020ad 161

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