该产品与SF-2具有相同结构和使用性能，同时具有环保功能，在边界润滑条件下可长期使用而不加油，耐磨层表面有储油坑。产品广泛应用于冶金机械、矿山机械、水利机械、汽机车、建筑机械、农用机械、轧钢行业、食用机械、制药机械、烟草机械等。 ※技术参数：Technical Data 性能指标 数据 最大承载 P 静载 250N/mm2 动载 150N/mm2 最高线速度 V 脂润滑 2.5m/s 最高PV值 脂润滑 3.6N/mm2 •m/s 摩擦系数μ 脂润滑 0.05～0.25 使用温度 -40℃～+130℃ 导热系数 4W/m•K 热膨胀系数 12×10-6/K 单位Unit: mm 轴径 Ds h8 座孔 H7 DH 外径公差 DO 压装后配合内孔公差 Di,a 配合间隙 CD 壁厚 S3 油孔 dL L 0 -0.40 10 15 20 25 30 35 40 45 50 60 10 -0.022 12 +0.018 12 +0.065 10.108 10.040 0.130 0.040 0.980 0.955 4 1010 1015 1020 +0.030 12 -0.027 14 +0.018 14 +0.065 12.108 12.040 0.135 0.040 1210 1215 1220 +0.030 14 -0.027 16 +0.018 16 +0.065 14.108 14.040 1415 1420 +0.030 15 -0.027 17 +0.018 17 +0.065 15.108 15.040 1515 1520 1525 +0.030 16 -0.027 18 +0.018 18 +0.065 16.108 16.040 1615 1620 1625 +0.030 18 -0.027 20 +0.021 20 +0.075 18.111 18.040 0.138 0.040 1815 1820 1825 +0.035 20 -0.033 23 +0.021 23 +0.075 20.131 20.050 0.164 0.050 1.475 1.445 2015 2020 2025 2030 +0.035 22 -0.033 25 +0.021 25 +0.075 22.131 22.050 2215 2225 +0.035 25 -0.033 28 +0.021 28 +0.075 25.131 25.050 6 2515 2520 2525 2530 +0.035 28 -0.033 32 +0.025 32 +0.085 28.155 28.060 0.188 0.060 1.970 1.935 2820 2830 +0.045 30 -0.033 34 +0.025 34 +0.085 30.155 30.060 3020 3025 3030 3040 +0.045 35 -0.039 39 +0.025 39 +0.085 35.155 35.060 0.194 0.060 3520 3530 3535 3540 +0.045 40 -0.039 44 +0.025 44 +0.085 40.155 40.060 8 4020 4030 4040 4050 +0.045 45 -0.039 50 +0.025 50 +0.085 45.195 45.080 0.234 0.080 2.460 2.415 4520 4530 4540 4545 4550 +0.045 50 -0.039 55 +0.030 55 +0.100 50.200 50.080 0.239 0.080 5030 5040 5050 5060 +0.055 55 -0.046 60 +0.030 60 +0.100 55.200 55.080 0.246 0.080 5530 5540 5550 5560 +0.055 60 -0.046 65 +0.030 65 +0.100 60.200 60.080 6030 6040 6050 6060 +0.055 轴径 Ds h8 座孔 H7 DH 外径公差 DO 压装后配合内孔公差 Di,a 配合间隙 CD 壁厚 S3 油孔 dL L 0 -0.40 40 50 60 80 90 95 100 110 120 65 -0.046 70 +0.030 70 +0.100 65.200 65.080 0.246 0.080 2.460 2.415 8 6540 6560 +0.055 70 -0.046 75+0.030 75 +0.100 70.200 70.080 7040 7050 7080 +0.055 75 -0.046 80 +0.030 80 +0.100 75.200 75.080 7540 7560 7580 +0.055 80 -0.046 90 +0.035 90 +0.120 80.265 80.100 0.313 0.100 2.450 2.385 9.5 8040 8060 8080 +0.070 85 -0.054 95 +0.035 95 +0.120 85.265 85.100 0.321 0.100 8540 8560 8580 +0.070 90 -0.054 100 +0.035 100 +0.120 90.265 90.100 9040 9060 9080 9090 +0.070 100 -0.054 105 +0.035 105 +0.120 100.265 100.100 10050 10080 10095 +0.070 105 -0.054 110 +0.035 110 +0.120 105.265 105.100 10560 10580 10595 105110 +0.070 110 -0.054 115 +0.035 115 +0.120 110.265 110.110 11060 11080 11095 110110 +0.070 120 -0.054 125 +0.040 125 +0.170 120.270 120.110 0.324 0.100 12060 12080 120110 +0.100 125 -0.063 130+0.040 130 +0.170 125.270 125.110 12560 125110 +0.100 130 -0.063 135 +0.040 135 +0.170 130.270 130.110 13050 13060 13080 130100 +0.100 140 -0.063 145 +0.040 145 +0.170 140.270 140.110 14050 14060 14080 140100 +0.100 150 -0.063 155 +0.040 155 +0.170 150.270 150.110 15050 15060 15080 150100 +0.100 160 -0.063 165 +0.040 165 +0.170 160.270 160.110 9.5 16050 16060 16080 160100 +0.100 170 -0.063 175 +0.040 175 +0.170 170.270 170.110 17050 17080 170100 +0.100 180 -0.063 185 +0.046 185 +0.210 180.270 180.110 0.339 0.110 18050 18060 18080 180100 +0.130 190 -0.072 195 +0.046 195 +0.210 190.276 190.110 19050 19060 19080 190100 190120 +0.130 200 -0.072 205 +0.046 205 +0.210 200.276 200.110 20050 20060 20080 200100 200120 +0.130 220 -0.072 225 +0.046 225 +0.210 220.276 220.110 9.5 22050 22060 22080 220100 220120 +0.130 240 -0.072 245 +0.046 245 +0.210 240.276 240.110 24050 24060 24080 240100 240120 +0.130 250 -0.072 255 +0.052 255 +0.260 250.282 250.110 0.354 0.110 25050 25060 25080 250100 250120 +0.170 260 -0.081 265 +0.052 265 +0.260 260.282 260.110 26050 26060 26080 260100 260120 +0.170 280 -0.081 285 +0.052 285 +0.260 280.282 280.110 28050 28060 28080 280100 280120 +0.170 300 -0.081 305 +0.052 305 +0.260 300.282 300.110 30050 30060 30080 300100 300120 +0.170