Page 35 of Angular Contact Ball Bearings for Radial Loads by NTN Corporation Japan

main spindle bearings r1as ras dynamic equivalent radial load pr xfr yfa single row tandem back-to-back face-to-face fa fr e fa fr e fa fr e fa fr exyxyxyxy ras da db ras da da e 0.8 1 0 0.39 0.76 1 0.78 0.63 1.24 static equivalent radial load por single row tandem xo yo xo fr yo fa back-to-back face-to-face xo yo 0.5 0.33 1 0.66 when por fr with single-row or tandem f r arrangement por back-to-back db load center mm a 7.7 8.2 9.8 10.3 12.8 14.2 15.7 18.1 20.8 22.4 23.7 26.1 27.5 29.0 32.6 34.1 35.7 38.7 40.2 41.6 44.8 46.2 47.7 52.3 56.9 internal mass free space cm3 kg single-row single-row approx approx face-to-face df reference dimensions abutment and fillet dimensions mm db max part number r1as max da d1 14.3 16.3 19.3 21.3 25.9 30.9 35.9 41.6 47.6 52.7 57.2 63.7 68.7 73.7 80.3 85.3 90.8 96.9 101.9 106.9 113.6 118.6 123.6 135.2 146.9 d2 13.5 15.5 18.3 20.3 24.7 29.7 34.7 39.9 45.9 50.8 55.3 61.8 66.8 71.8 78.0 83.0 88.5 94.3 99.3 104.3 110.5 115.5 120.5 131.7 143.0 d1 17.7 19.7 23.7 25.7 31.1 36.1 41.1 48.4 54.4 60.4 64.9 71.4 76.4 81.4 89.7 94.7 100.2 108.1 113.1 118.1 126.4 131.4 136.4 149.8 163.2 d2 19.3 21.3 25.7 27.7 33.5 38.5 43.5 51.6 57.7 64.0 68.4 75.0 80.0 85.0 94.2 99.2 104.7 113.4 118.4 123.4 132.6 137.6 142.6 156.7 170.9 min da max ras max 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.6 0.6 0.6 0.6 1 1 1 1 1 1 1 1 1 1 1 1 1 1.5 0.4 0.4 0.8 0.8 1.5 1.8 2.0 3.4 4.7 5.9 6.2 7.5 8.0 8.6 14 15 16 22 23 24 33 34 36 48 63 0.01 0.01 0.02 0.02 0.04 0.04 0.05 0.07 0.11 0.12 0.13 0.18 0.19 0.21 0.34 0.36 0.38 0.54 0.56 0.59 0.81 0.84 0.87 1.19 1.57 12.5 14.5 17.5 19.5 22.5 27.5 32.5 39.5 44.5 49.5 54.5 60.5 65.5 70.5 75.5 80.5 85.5 92 97 102 107 112 117 127 138.5 19.5 21.5 25.5 27.5 34.5 39.5 44.5 50.5 57.5 63.5 67.5 74.5 79.5 84.5 94.5 99.5 104.5 113 118 123 133 138 143 158 171.5 20.8 22.8 26.8 28.8 35.8 40.8 45.8 52.5 59.5 65.5 69.5 75.5 80.5 85.5 95.5 100.5 105.5 115.5 120.5 125.5 135.5 140.5 145.5 160.5 174.5 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.3 0.3 0.3 0.3 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 1 7900u 7901u 7902u 7903u 7904u 7905u 7906u 7907u 7908u 7909u 7910u 7911u 7912u 7913u 7914u 7915u 7916u 7917u 7918u 7919u 7920u 7921u 7922u 7924u 7926u 89

[close]