产品 23
WB-2／WB-2Y边界润滑轴承
复合轴承
WB-2／WB-2Y边界润滑轴承
- 型号
- WB-2 / WB-2Y（SF-2Y）
低碳钢背、球形青铜粉层与改性POM耐磨层组成，适用于边界润滑和需要定期补充润滑的工况。
钢背＋铜粉＋POM边界润滑WB-2与无铅WB-2Y
技术数据
技术参数
参数值会随材料、尺寸和使用条件变化，选型时请结合具体工况确认。
| 参数 | 参数值 |
|---|---|
| 结构 | 低碳钢背 / 球形青铜粉 / 改性POM |
| 型号 | WB-2 / WB-2Y（SF-2Y） |
| 润滑方式 | 边界润滑 |
规格数据
WB-20／WB-2Y 技术参数与规格表
单位：mm（尺寸表）。第 22–23 页轴套尺寸表对应 WB-2Y。
WB-20 / WB-2Y 技术参数
| 型号 | 性能指标 | 数据 |
|---|---|---|
| WB-20 / WB-2Y | 最大承载：静载 / 动载 | 250 / 140 N/mm² |
| WB-20 / WB-2Y | 最高线速度（脂润滑） | 2.5 m/s |
| WB-20 / WB-2Y | 最高 PV（脂润滑） | 2.8 N/mm²·m/s |
| WB-20 / WB-2Y | 摩擦系数（脂润滑） | 0.05-0.25 |
| WB-20 / WB-2Y | 使用温度 | -40℃～+130℃ |
| WB-20 / WB-2Y | 导热系数 | 4 W/m·K |
| WB-20 / WB-2Y | 线膨胀系数 | 11×10⁻⁶/K |
WB-2Y（样册 WB-20Y）轴套规格（10-60 mm）
| 轴径 Ds（h8） | 轴径公差 | 座孔 DH（H7） | 座孔公差 | 外径 Do | 外径公差 | 压装后内孔 Di,a | 配合间隙 | 壁厚 S₃ | 油孔 dL | 可选长度 L（mm） | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 60 | ||||||||||
| 10 | -0.022 | 12 | +0.018 | 12 | +0.065 +0.030 | 10.108 10.040 | 0.130 0.040 | 0.980 0.955 | 4 | 1010 | 1015 | 1020 | — | — | — | — | — | — | — |
| 12 | -0.027 | 14 | +0.018 | 14 | +0.065 +0.030 | 12.108 12.040 | 0.135 0.040 | 0.980 0.955 | 4 | 1210 | 1215 | 1220 | — | — | — | — | — | — | — |
| 14 | -0.027 | 16 | +0.018 | 16 | +0.065 +0.030 | 14.108 14.040 | 0.135 0.040 | 0.980 0.955 | 4 | — | 1415 | 1420 | — | — | — | — | — | — | — |
| 15 | -0.027 | 17 | +0.018 | 17 | +0.065 +0.030 | 15.108 15.040 | 0.135 0.040 | 0.980 0.955 | 4 | — | 1515 | 1520 | 1525 | — | — | — | — | — | — |
| 16 | -0.027 | 18 | +0.018 | 18 | +0.065 +0.030 | 16.108 16.040 | 0.135 0.040 | 0.980 0.955 | 4 | — | 1615 | 1620 | 1625 | — | — | — | — | — | — |
| 18 | -0.027 | 20 | +0.021 | 20 | +0.075 +0.035 | 18.111 18.040 | 0.138 0.040 | 0.980 0.955 | 4 | — | 1815 | 1820 | 1825 | — | — | — | — | — | — |
| 20 | -0.033 | 23 | +0.021 | 23 | +0.075 +0.035 | 20.131 20.050 | 0.164 0.050 | 1.475 1.445 | 6 | — | 2015 | 2020 | 2025 | 2030 | — | — | — | — | — |
| 22 | -0.033 | 25 | +0.021 | 25 | +0.075 +0.035 | 22.131 22.050 | 0.164 0.050 | 1.475 1.445 | 6 | — | 2215 | 2220 | 2225 | 2230 | — | — | — | — | — |
| 25 | -0.033 | 28 | +0.021 | 28 | +0.075 +0.035 | 25.131 25.050 | 0.164 0.050 | 1.475 1.445 | 6 | — | 2515 | 2520 | 2525 | 2530 | — | — | — | — | — |
| 28 | -0.033 | 32 | +0.025 | 32 | +0.085 +0.045 | 28.155 28.060 | 0.188 0.060 | 1.970 1.935 | 6 | — | — | 2820 | 2825 | 2830 | — | — | — | — | — |
| 30 | -0.033 | 34 | +0.025 | 34 | +0.085 +0.045 | 30.155 30.060 | 0.188 0.060 | 1.970 1.935 | 6 | — | — | 3020 | 3025 | 3030 | 3035 | 3040 | — | — | — |
| 35 | -0.039 | 39 | +0.025 | 39 | +0.085 +0.045 | 35.155 35.060 | 0.194 0.060 | 1.970 1.935 | 6 | — | — | 3520 | 3525 | 3530 | 3535 | 3540 | — | — | — |
| 40 | -0.039 | 44 | +0.025 | 44 | +0.085 +0.045 | 40.155 40.060 | 0.194 0.060 | 1.970 1.935 | 6 | — | — | 4020 | 4025 | 4030 | 4035 | 4040 | 4045 | 4050 | — |
| 45 | -0.039 | 50 | +0.025 | 50 | +0.085 +0.045 | 45.195 45.080 | 0.234 0.080 | 2.460 2.415 | 8 | — | — | 4520 | 4525 | 4530 | 4535 | 4540 | 4545 | 4550 | — |
| 50 | -0.039 | 55 | +0.030 | 55 | +0.100 +0.055 | 50.200 50.080 | 0.239 0.080 | 2.460 2.415 | 8 | — | — | — | — | 5030 | 5035 | 5040 | 5045 | 5050 | 5060 |
| 55 | -0.046 | 60 | +0.030 | 60 | +0.100 +0.055 | 55.200 55.080 | 0.246 0.080 | 2.460 2.415 | 8 | — | — | — | — | 5530 | 5535 | 5540 | 5545 | 5550 | 5560 |
| 60 | -0.046 | 65 | +0.030 | 65 | +0.100 +0.055 | 60.200 60.080 | 0.246 0.080 | 2.460 2.415 | 8 | — | — | — | — | 6030 | 6035 | 6040 | 6045 | 6050 | 6060 |
WB-2Y（样册 WB-20Y）轴套规格（65-300 mm）
| 轴径 Ds（h8） | 轴径公差 | 座孔 DH（H7） | 座孔公差 | 外径 Do | 外径公差 | 压装后内孔 Di,a | 配合间隙 | 壁厚 S₃ | 油孔 dL | 可选长度 L（mm） | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 40 | 50 | 60 | 80 | 90 | 95 | 100 | 110 | 120 | ||||||||||
| 65 | -0.046 | 70 | +0.030 | 70 | +0.100 +0.055 | 65.200 65.080 | 0.246 0.080 | 2.460 2.415 | 8 | 6540 | 6550 | 6560 | — | — | — | — | — | — |
| 70 | -0.046 | 75 | +0.030 | 75 | +0.100 +0.055 | 70.200 70.080 | 0.246 0.080 | 2.460 2.415 | 8 | 7040 | 7050 | 7060 | 7080 | — | — | — | — | — |
| 75 | -0.046 | 80 | +0.030 | 80 | +0.100 +0.055 | 75.200 75.080 | 0.246 0.080 | 2.460 2.415 | 8 | 7540 | 7550 | 7560 | 7580 | — | — | — | — | — |
| 80 | -0.046 | 85 | +0.035 | 85 | +0.120 +0.070 | 80.265 80.100 | 0.313 0.100 | 2.450 2.385 | 9.5 | 8040 | 8050 | 8060 | 8080 | — | — | — | — | — |
| 85 | -0.054 | 90 | +0.035 | 90 | +0.120 +0.070 | 85.265 85.100 | 0.321 0.100 | 2.450 2.385 | 9.5 | 8540 | 8550 | 8560 | 8580 | — | — | — | — | — |
| 90 | -0.054 | 95 | +0.035 | 95 | +0.120 +0.070 | 90.265 90.100 | 0.321 0.100 | 2.450 2.385 | 9.5 | 9040 | 9050 | 9060 | 9080 | 9090 | — | — | — | — |
| 100 | -0.054 | 105 | +0.035 | 105 | +0.120 +0.070 | 100.265 100.100 | 0.321 0.100 | 2.450 2.385 | 9.5 | — | 10050 | 10060 | 10080 | 10090 | 10095 | — | — | — |
| 105 | -0.054 | 110 | +0.035 | 110 | +0.120 +0.070 | 105.265 105.100 | 0.321 0.100 | 2.450 2.385 | 9.5 | — | 10550 | 10560 | 10580 | 10590 | 10595 | 105100 | 105110 | — |
| 110 | -0.054 | 115 | +0.035 | 115 | +0.120 +0.070 | 110.265 110.110 | 0.321 0.100 | 2.450 2.385 | 9.5 | — | 11050 | 11060 | 11080 | 11090 | 11095 | 110100 | 110110 | — |
| 120 | -0.054 | 125 | +0.040 | 125 | +0.170 +0.100 | 120.270 120.110 | 0.324 0.100 | 2.450 2.385 | 9.5 | — | 12050 | 12060 | 12080 | 12090 | 12095 | 120100 | 120110 | — |
| 125 | -0.063 | 130 | +0.040 | 130 | +0.170 +0.100 | 125.270 125.110 | 0.324 0.100 | 2.450 2.385 | 9.5 | — | 12550 | 12560 | 12580 | 12590 | 12595 | 125100 | 125110 | — |
| 130 | -0.063 | 135 | +0.040 | 135 | +0.170 +0.100 | 130.270 130.110 | 0.324 0.100 | 2.450 2.385 | 9.5 | — | 13050 | 13060 | 13080 | 13090 | 13095 | 130100 | 130110 | — |
| 140 | -0.063 | 145 | +0.040 | 145 | +0.170 +0.100 | 140.270 140.110 | 0.324 0.100 | 2.450 2.385 | 9.5 | — | 14050 | 14060 | 14080 | 14090 | 14095 | 140100 | 140110 | — |
| 150 | -0.063 | 155 | +0.040 | 155 | +0.170 +0.100 | 150.270 150.110 | 0.324 0.100 | 2.450 2.385 | 9.5 | — | 15050 | 15060 | 15080 | 15090 | 15095 | 150100 | 150110 | — |
| 160 | -0.063 | 165 | +0.040 | 165 | +0.170 +0.100 | 160.270 160.110 | 0.324 0.100 | 2.450 2.385 | 9.5 | — | 16050 | 16060 | 16080 | 16090 | 16095 | 160100 | 160110 | — |
| 170 | -0.063 | 175 | +0.040 | 175 | +0.170 +0.100 | 170.270 170.110 | 0.324 0.100 | 2.450 2.385 | 9.5 | — | 17050 | 17060 | 17080 | 17090 | 17095 | 170100 | 170110 | — |
| 180 | -0.063 | 185 | +0.046 | 185 | +0.210 +0.130 | 180.276 180.110 | 0.339 0.110 | 2.450 2.385 | 9.5 | — | 18050 | 18060 | 18080 | 18090 | 18095 | 180100 | 180110 | — |
| 190 | -0.072 | 195 | +0.046 | 195 | +0.210 +0.130 | 190.276 190.110 | 0.339 0.110 | 2.450 2.385 | 9.5 | — | 19050 | 19060 | 19080 | 19090 | 19095 | 190100 | 190110 | 190120 |
| 200 | -0.072 | 205 | +0.046 | 205 | +0.210 +0.130 | 200.276 200.110 | 0.339 0.110 | 2.450 2.385 | 9.5 | — | 20050 | 20060 | 20080 | 20090 | 20095 | 200100 | 200110 | 200120 |
| 220 | -0.072 | 225 | +0.046 | 225 | +0.210 +0.130 | 220.276 220.110 | 0.339 0.110 | 2.450 2.385 | 9.5 | — | 22050 | 22060 | 22080 | 22090 | 22095 | 220100 | 220110 | 220120 |
| 240 | -0.072 | 245 | +0.046 | 245 | +0.210 +0.130 | 240.276 240.110 | 0.339 0.110 | 2.450 2.385 | 9.5 | — | 24050 | 24060 | 24080 | 24090 | 24095 | 240100 | 240110 | 240120 |
| 250 | -0.072 | 255 | +0.052 | 255 | +0.260 +0.170 | 250.282 250.110 | 0.354 0.110 | 2.450 2.385 | 9.5 | — | 25050 | 25060 | 25080 | 25090 | 25095 | 250100 | 250110 | 250120 |
| 260 | -0.081 | 265 | +0.052 | 265 | +0.260 +0.170 | 260.282 260.110 | 0.354 0.110 | 2.450 2.385 | 9.5 | — | 26050 | 26060 | 26080 | 26090 | 26095 | 260100 | 260110 | 260120 |
| 280 | -0.081 | 285 | +0.052 | 285 | +0.260 +0.170 | 280.282 280.110 | 0.354 0.110 | 2.450 2.385 | 9.5 | — | 28050 | 28060 | 28080 | 28090 | 28095 | 280100 | 280110 | 280120 |
| 300 | -0.081 | 305 | +0.052 | 305 | +0.260 +0.170 | 300.282 300.110 | 0.354 0.110 | 2.450 2.385 | 9.5 | — | 30050 | 30060 | 30080 | 30090 | 30095 | 300100 | 300110 | 300120 |
按图定制与工况选型
可根据载荷、速度、温度、配合公差、环境介质与安装空间提供材料和结构建议，支持样品试制与批量生产。
相关产品
