H70 Ultra High Speed Bearings

Category: High Precision Ultra High Speed Angular Contact Ball Bearings

Nominal contact angle α15°-25°，bore diameter 25-140mm
Details
Manufacturing range: bore diameter 30-140mm
Available models: H7006-H7028
Rolling elements: steel balls or ceramic balls

Bearing Designation Boundary Dimensions α=15°（C） α=25°（AC）
Basic Load Ratings Limiting Speeds Basic Load Ratings Limiting Speeds
d D B Cr C0r Grease Oil Cr C0r Grease Oil
mm KN r/min KN r/min
H7007 35 62 14 11.2 7.9 34000 50000 10.7 7.5 30000 45000
H7007/HQ1 35 62 14 11.2 7.9 38000 56000 10.7 7.5 34000 50000
H7008 40 68 15 12.5 9.1 28000 43000 11.1 8.6 24000 38000
H7008/HQ1 40 68 15 12.5 9.1 34000 50000 11.1 8.6 28000 43000
H7009 45 75 16 13.1 10.2 24000 38000 12.5 9.7 22000 36000
H7009/HQ1 45 75 16 13.1 10.2 28000 43000 12.5 9.7 26000 40000
H7010 50 80 16 15.5 12.2 20000 34000 14.8 11.5 18000 30000
H7010/HQ1 50 80 16 15.5 12.2 24000 38000 14.8 11.5 20000 34000
H7011 55 90 18 17.2 14.5 19000 32000 16.2 13.8 17000 28000
H7011/HQ1 55 90 18 17.2 14.5 22000 36000 16.2 13.8 19000 32000
H7012 60 95 18 17.2 15.2 18000 30000 16.2 14.5 15000 24000
H7012/HQ1 60 95 18 17.2 15.2 20000 34000 16.2 14.5 18000 30000
H7013 65 100 18 20.2 18.5 16000 26000 19.2 17.5 13000 20000
H7013/HQ1 65 100 18 20.2 18.5 19000 32000 19.2 17.5 15000 24000
H7014 70 110 20 24.2 21.5 15000 24000 22.5 20.2 13000 20000
H7014/HQ1 70 110 20 24.2 21.5 18000 30000 22.5 20.2 15000 24000
H7015 75 115 20 26.2 25.5 14000 22000 24.8 24.2 12000 19000
H7015/HQ1 75 115 20 26.2 25.5 16000 24000 24.8 24.2 14000 22000
H7016 80 125 22 34.2 32.8 13000 20000 32.5 31.2 11000 18000
H7016/HQ1 80 125 22 34.2 32.8 15000 24000 32.5 31.5 13000 20000
H7017 85 130 22 35.2 35.2 12000 19000 33.2 33.5 10000 17000
H7017/HQ1 85 130 22 35.2 35.2 14000 22000 33.2 33.5 12000 19000
H7018 90 140 24 36.5 38.2 11000 18000 34.2 36.2 9500 16000
H7018/HQ1 90 140 24 36.5 38.2 13000 20000 34.2 36.2 11000 18000
H7019 95 145 24 44.5 45.2 10000 17000 41.8 42.8 8500 14000
H7019/HQ1 95 145 24 44.5 45.2 12000 19000 41.8 42.8 10000 17000
H7020 100 150 24 45.5 48.2 10000 17000 42.8 44.8 8500 14000
H7020/HQ1 100 150 24 45.5 48.2 12000 19000 42.8 44.8 10000 17000
H7021 105 160 26 46.2 49.2 9500 16000 43.2 46.5 8000 13000
H7021/HQ1 105 160 26 46.2 49.2 11000 18000 43.2 46.5 9000 15000
H7022 110 170 28 47.8 53.5 9500 16000 45.2 51.2 8000 13000
H7022/HQ1 110 170 28 47.8 53.5 11000 18000 45.2 51.2 9000 15000
H7024 120 180 28 58.2 64.8 8500 14000 54.8 61.5 7500 12000
H7024/HQ1 120 180 28 58.2 64.8 10000 17000 54.8 61.5 9000 15000
H7026 130 200 33 58.5 66.8 8000 13000 55.2 63.2 7000 11000
H7026/HQ1 130 200 33 58.5 66.8 9000 15000 55.2 63.2 8000 13000
H7028 140 210 33 60.8 72.5 7500 12000 57.2 68.8 6700 10000
H7028/HQ1 140 210 33 60.8 72.5 8500 14000 57.2 68.8 7500 12000
H7030 150 225 35 74.8 88.5 6700 10000 70.5 83.8 6300 9500
H7030/HQ1 150 225 35 74.8 88.5 7500 12000 70.5 83.8 7000 11000
H7032 160 240 38 76.2 94.5 6000 9000 71.5 89.5 5600 8500
H7032/HQ1 160 240 38 76.2 94.5 6700 10000 71.5 89.5 6300 9500
H7034 170 260 42 78.2 100.5 5600 8500 73.5 95.2 5000 7500
H7034/HQ1 170 260 42 78.2 100.5 6300 9500 73.5 95.2 5600 8500
H7036 180 280 46 79.8 106.8 5300 8000 75.2 101.2 4800 7000
H7036/HQ1 180 280 46 79.8 106.8 6000 9000 75.2 101.2 5300 8000
H7038 190 290 46 95.2 124.5 4800 7000 89.8 117.8 4300 6300
H7038/HQ1 190 290 46 95.2 124.5 5300 8000 89.8 117.8 4800 7000
H7040 200 310 51 96.5 132.2 4500 6700 90.8 124.8 4000 6000
H7040/HQ1 200 310 51 96.5 132.2 5000 7500 90.8 124.8 4500 6700
H7044 220 340 56 113.9 156.5 4000 6000 107.2 148.1 3800 5600
H7044/HQ1 220 340 56 113.9 156.5 4500 6700 107.2 148.1 4000 6000

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