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1、精心整理:材料对照表/公差等级表/规值/重量换算表:每万粒 每千克钢球直径钢球mm?in0.50000.68000.80001.00001.20001.30001.45001.588?1/161.75002.00002.3812?3/322.50003.00003.175?1/83.5000钢球个数(近重（kg）似)钢球直径钢球钢球mm?in重（kg）(近似)2.094782.50400mm?in个数钢球直径个钢球球个数重（kg）(近似)20.637?13/16 35.8027.9021.000037.7526.49每万粒 每千克1000每千克钢0.0051 1960780 8.00000.0
2、128 7812508.50000.0209 4784708.731?11/32 2.713690.0408 2451009.00002.973370.0705 1418409.525?3/8 3.522840.0893 11198010.00000.124806450.160623500.218458710.326307000.550181820.637156981.10090911.31076341.75057174.0824521.4313?27/32 40.1024.9022.225?7/8 44.8022.3023.000049.5920.1710.318813/32 4.48223
3、11.00005.4218523.0188?29/32 49.8020.1023.8125?15/16 55.1018.2024.000056.3417.7511.1125?7/16 5.6017911.50006.2216111.509429/64 6.2216111.906215/32 6.8814512.00007.0414224.6063?31/3260.8016.5025.000063.6815.7025.4?166.8015.0026.1938?11/32 73.3013.6426.9875?11/16 80.2012.4727.7812?13/32 87.4011.4028.00
4、0089.4711.1812.303131/64 7.6013212.7?1/2 8.3512013.493817/32 10.0010014.000011.18893.9690?5/32 2.55039224.00004.7625?3/165.00005.159413/645.5562?7/325.953115/646.00006.35?1/42.61038314.41022685.10019615.60017866.99014318.60011638.810113610.400 96214.2875?9/16 11.908415.081219/32 14.0071.4015.875?5/8
5、 16.3061.3016.000016.6959.9028.575?11/895.2010.5030.1625?13/16112.00 8.9331.75?11/4130.60 7.6633.3375?15/16151.10 6.6234.925?13/8173.80 5.7536.5125?17/16198.60 5.0438.1?11/2225.60 4.4340.0000261.10 3.8316.668821/32 18.9052.9017.000020.0250.0017.462511/16 21.7046.10精心整理6.50006.746917/647.1438?7/327.9
6、375?5/1611.190 89412.500 80014.900 67120.400 49018.256223/32 24.8040.3041.275?15/8286.80 3.4919.000027.9635.7742.8625111/46321.20 3.1119.05?3/4 28.2035.5044.45?13/4358.20 2.7919.943825/32 31.9031.4047.625?17/8440.60 2.2750.8?2534.70 1.871.每粒钢球的重量计算方式：球形体积钢质的比重球形体积计算公式：4/3r3(r 为球的半径）2.该表是按材料为 AISI1015 的碳钢球的比重计算。轴钢球比碳钢球重 0.0074%,不锈钢球比碳钢球重 0.0122%