Bearing Parts >> Steel Ball 钢球重量数量

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Nanjing Haning Bearing Manufacturing Co., Ltd. founded in 2003, It's specialized in manufacturing deep groove ball bearings, tapered roller bearings, automobile bearings, steel ball, steel balls etc. The high speed and low noise bearings is our mainly produces of EMQ bearings. We are own our brand of "HRBN", It is of advanced productive technique, consummate device and complete testing means. As well as we have powerful strength for new products, steel ball, steel balls and special bearings development. Form last year, We are sales about Seventy million US$ for export, About 90% produce in our factory is for export.

QUALITY STANDAR GRADE GAUG RANG Sph Sphericity Daviation VDWS Diameter Variaion VDWL Lot Diamete Ra Surface Rouqhoess Not more than(um) ISO AFBMA DIN ISO AFBMA DIN ISO AFMA DIN ISO AFBMA DIN ISO AFBMA DIN ISO AFBMA DIN 10 10 Ⅲ +-9 +-2.5 +-11 0.25 0.25 1 0.25 0.25 0.5 0.5 2 0.025 0.025 16 16 Ⅳ +-10 +-2.5 +-14 0.4 0.4 2 0.4 0.4 0.8 0.8 4 0.032 0.025 20 24 Ⅴ +-10 +-2.5 +-75 0.5 0.6 25 0.5 0.6 1 1.2 50 0.04 0.05 28 48 +-12 +-5 0.7 1.2 0.7 1.2 1.4 2.4 0.05 0.075 40 100 +-16 +-12.5 1 2.5 1 2.5 2 5 0.08 0.125 100 200 +-40 +-25 2.5 5 2.5 5 5 10 0.125 0.2 200 500 +-60 +-50 50 12.5 5 12.5 10 25 0.2 1000 +-125 25 25 50 DIMENSIONAL CONVERSION CHART Inch Fractins Inch Decimals mm weiht per 1000alls (kg) Inch fractioh Inch Decimals mm Weight per 1000balls (kg) 1/64 .0156 0.397 .00026 - .7480 19.000 27.98 - .0197 0.500 .00051 3/4 .7500 19.050 28.20 1/32 .0312 0.794 .00021 25/32 .7812 19.844 31.87 - .0394 1.000 .00407 - .7874 20.000 32.63 3/64 .0469 1.190 .00688 13/16 .8125 20.637 35.85 - .0472 1.200 .00704 - .8268 21.000 37.77 - .0590 1.500 .01377 27/32 .8437 21.431 40.15 1/16 .0625 1.588 .01632 - .8661 22.000 43.43 5/64 .0781 1.984 .03187 7/8 .8750 22.225 44.78 - .0787 2.000 .0326 - .9055 23.000 49.63 3/32 .0937 2.381 .0550 29/32 .9062 23.019 49.75 - .0984 2.500 .0638 15/16 .9375 23.812 55.07 7/64 .1094 2.778 .0875 - .9449 24.000 56.39 - .181 3.000 .101 31/32 .9687 24.606 60.77 1/8 .1250 3.175 .1305 - .9842 25.000 63.73 - .1378 3.500 .1749 1 1.0000 25.400 66.84 9/64 .1406 3.572 .1859 - 1.0236 26.000 71.69 5/32 .1562 3.969 .2550 1 1/16 1.0625 26.987 80.17 - .1575 4.000 .2610 - 1.1024 28.000 89.54 11/64 .1719 4.366 .3394 1 1/8 1.1250 28.575 95.17 - .1770 4.500 .3716 - 1.1811 30.000 110.10 3/16 .1875 4.763 .4406 1 3/16 1.1875 30.162 11.90 - .1968 5.000 .5099 1 1/4 1.2500 31.750 130.50 - .2165 5.550 .6786 - 1.2598 32.000 133.70 7/32 .2187 5.556 .6996 1 5/16 1.3125 3.37 151.10 15/64 .2344 5.953 .8605 - 1.3386 34.000 160.30 - .2362 6.000 .8810 1 3/8 1.3750 34.925 173.80 1/4 .2500 6.350 1.044 - 1.3780 35.000 174.90 - .2559 6.500 1.120 - 1.4173 36.000 190.30 17/64 .2656 6.747 1.253 1 7/16 1.4375 36.512 198.50 - .2756 7.000 1.399 - 1.4960 38.000 223.80 9/32 .2812 7.144 1.487 1 1/2 1.5000 38.100 225.60 - .2953 7.500 1.721 1 9/16 1.5625 39.687 255.00 19/64 .2969 7.541 1.749 - 1.5748 40.000 261.00 5/16 .3125 7.938 2.040 1 5/8 1.6250 41.275 286.80 - .3150 8.000 2.088 1 11/16 1.6875 42.862 321.20 - .3346 8.500 2.505 1 3/4 1.7500 44.450 358.20 1/32 .3437 8.731 2.715 - 1.7716 45.000 371.70 - .3543 9.000 2.937 1 13/16 1.8125 46.037 398.00 23/64 .3594 9.128 3.102 1 7/8 1.8750 47.625 440.60 - .3740 9.500 3.497 1 15/16 1.9375 49.212 486.10 3/8 .3750 9.525 3.525 - 1.9685 50.000 509.90 25/64 .3906 9.922 3.983 2 2.0000 50.800 534.70 - .3937 10.000 4.079 2 1/8 2.1250 53.975 641.40 13/32 .4062 10.319 4.481 - 2.1653 55.000 678.60 - .4331 11.000 5.429 2 1/4 2.2500 57.150 761.30 7/16 .4375 11.112 5.597 - 2.3622 60.000 881.00 - .4528 11.500 6.203 2 3/8 2.3750 60.325 895.40 29/64 .4531 11.509 6.219 2 1/2 2.5000 63.500 1044.40 15/32 .4687 11.906 6.884 - 2.5590 65.000 1120.10 - .4724 12.000 7.048 2 5/8 2.6250 66.675 1209.00 31/64 .4844 12.303 7.596 2 3/4 2.7500 69.850 1390.10 1/2 .5000 12.700 8.355 - 2.7559 70.000 1484.70 - .5118 13.000 8.961 2 7/8 2.8750 73.025 1588.40 17/32 .5312 13.494 10.02 - 2.9528 75.000 1720.70 - .5512 14.000 11.19 3 3.0000 76.200 1804.70 9/16 .5625 14.288 1.90 3 1/8 3.1250 79.375 2039.80 - .5905 15.000 13.77 - 3.1500 80.000 2088.30 19/32 .5937 15.081 13.99 3 1/4 3.2500 82.550 2294.40 5/8 .6250 15.875 16.32 - 3.3464 85.000 2530.90 - .6299 16.000 16.70 3 1/2 3.5000 88.900 2865.70 21/32 .6562 16.669 18.89 - 3.543 90.000 2993.40 - .6693 17.000 20.04 - 3.7401 95.000 3521.10 1/16 .6875 17.462 21.72 3 3/4 3.7500 92.250 3524.70 - .7087 18.000 23.79 - 3.9370 100.000 4078.80 23/32 .7187 18.256 24.82 4 4.0000 101.600 4277.70

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