微型滚珠轴承是滚珠轴承下的一个分类。SXD生产全公制尺寸的不锈钢英制微型轴承，不锈钢材料可以是440（9Cr18）、420（9Cr13），也可以是304、316不锈钢。与普通的铬钢英制微型滚珠轴承相比，不锈钢英制小型滚珠轴承可以防止某些酸或水分引起的腐蚀，不锈钢英制微型滚珠具有运行稳定、噪音低、磁体低、应用范围广、防腐防锈性能好等明显优点,可广泛应用于医疗设备、低温工程、光学仪器、高速机床、高速电机、印刷机械、食品加工机械等领域。
| 型号 | 密封形式 | 内径(d) | 外径(D) | 宽度(B) | 球径(mm) | 钢球数量 | 重量(g) |
| SR1-4 | 开式 | 5/64"︱1.984mm | 1/4"︱6.35mm | 3/32"︱2.381mm | 1 | 7 | 0.4 |
| SR1-4ZZ | 防尘盖 | 5/64"︱1.984mm | 1/4"︱6.35mm | 0.1406"︱3.571mm | 1 | 7 | 0.53 |
| SR1-4 2RS | 橡胶盖 | 5/64"︱1.984mm | 1/4"︱6.35mm | 0.1406"︱3.571mm | 1 | 7 | 0.53 |
| SR1-5 | 开式 | 3/32"︱2.381mm | 5/16"︱7.938mm | 0.1094"︱2.779mm | 1.588 | 6 | 0.6 |
| SR1-5ZZ | 防尘盖 | 3/32"︱2.381mm | 5/16"︱7.938mm | 0.1406"︱3.571mm | 1.588 | 6 | 1.15 |
| SR1-5 2RS | 橡胶盖 | 3/32"︱2.381mm | 5/16"︱7.938mm | 0.1406"︱3.571mm | 1.588 | 6 | 1.15 |
| SR133 | 开式 | 3/32"︱2.381mm | 3/16"︱4.762mm | 0.0625"︱1.588mm | 0.8 | 7 | 0.1 |
| SR133ZZ | 防尘盖 | 3/32"︱2.381mm | 3/16"︱4.762mm | 3/32"︱2.381mm | 0.8 | 7 | 0.15 |
| SR133-2RS | 橡胶盖 | 3/32"︱2.381mm | 3/16"︱4.762mm | 3/32"︱2.381mm | 0.8 | 7 | 0.15 |
| SR144 | 开式 | 1/8"︱3.175mm | 1/4"︱6.35mm | 3/32"︱2.381mm | 1 | 7 | 0.27 |
| SR144ZZ | 防尘盖 | 1/8"︱3.175mm | 1/4"︱6.35mm | 0.1094"︱2.779mm | 1 | 7 | 0.4 |
| SR144-2RS | 橡胶盖 | 1/8"︱3.175mm | 1/4"︱6.35mm | 0.1094"︱2.779mm | 1 | 7 | 0.4 |
| SR2 | 开式 | 1/8"︱3.175mm | 3/8"︱9.525mm | 5/32"︱3.967mm | 1.588 | 7 | 1.04 |
| SR2ZZ | 防尘盖 | 1/8"︱3.175mm | 3/8"︱9.525mm | 5/32"︱3.967mm | 1.588 | 7 | 1.37 |
| SR2-2RS | 橡胶盖 | 1/8"︱3.175mm | 3/8"︱9.525mm | 5/32"︱3.967mm | 1.588 | 7 | 1.37 |
| SR2-5 | 开式 | 1/8"︱3.175mm | 5/16"︱7.938mm | 0.1094"︱2.779mm | 1.588 | 6 | 0.5 |
| SR2-5ZZ | 防尘盖 | 1/8"︱3.175mm | 5/16"︱7.938mm | 0.1406"︱3.571mm | 1.588 | 6 | 0.74 |
| SR2-5-2RS | 橡胶盖 | 1/8"︱3.175mm | 5/16"︱7.938mm | 0.1406"︱3.571mm | 1.588 | 6 | 0.74 |
| SR2-6 | 开式 | 1/8"︱3.175mm | 3/8"︱9.525mm | 0.1094"︱2.779mm | 1.588 | 7 | 0.96 |
| SR2-6ZZ | 防尘盖 | 1/8"︱3.175mm | 3/8"︱9.525mm | 0.1406"︱3.571mm | 1.588 | 7 | 1.23 |
| SR2-6-2RS | 橡胶盖 | 1/8"︱3.175mm | 3/8"︱9.525mm | 0.1406"︱3.571mm | 1.588 | 7 | 1.23 |
| SR2A | 开式 | 1/8"︱3.175mm | 1/2"︱12.7mm | 0.1719"︱4.366mm | 1.588 | 7 | 3.3 |
| SR2AZZ | 防尘盖 | 1/8"︱3.175mm | 1/2"︱12.7mm | 0.1719"︱4.366mm | 1.588 | 7 | 1.23 |
| SR2A-2RS | 橡胶盖 | 1/8"︱3.175mm | 1/2"︱12.7mm | 0.1719"︱4.366mm | 1.588 | 7 | 1.23 |
| SR155 | 开式 | 5/32"︱3.969mm | 5/16"︱7.938mm | 0.1094"︱2.779mm | 1 | 10 | 0.51 |
| SR155ZZ | 防尘盖 | 5/32"︱3.969mm | 5/16"︱7.938mm | 1/8"︱3.175mm | 1 | 10 | 0.61 |
| SR155-2RS | 橡胶盖 | 5/32"︱3.969mm | 5/16"︱7.938mm | 1/8"︱3.175mm | 1 | 10 | 0.61 |
| SR156 | 开式 | 3/16"︱4.762mm | 5/16"︱7.938mm | 0.1094"︱2.779mm | 1 | 10 | 0.4 |
| SR156ZZ | 防尘盖 | 3/16"︱4.762mm | 5/16"︱7.938mm | 1/8"︱3.175mm | 1 | 10 | |
| SR156-2RS | 橡胶盖 | 3/16"︱4.762mm | 5/16"︱7.938mm | 1/8"︱3.175mm | 1 | 10 | |
| SR166 | 开式 | 3/16"︱4.762mm | 3/8"︱9.525mm | 1/8"︱3.175mm | 1.588 | 8 | 0.81 |
| SR166ZZ | 防尘盖 | 3/16"︱4.762mm | 3/8"︱9.525mm | 1/8"︱3.175mm | 1.588 | 8 | 0.85 |
| SR166-2RS | 橡胶盖 | 3/16"︱4.762mm | 3/8"︱9.525mm | 1/8"︱3.175mm | 1.588 | 8 | 0.85 |
| SR3 | 开式 | 3/16"︱4.762mm | 1/2"︱12.7mm | 5/32"︱3.967mm | 2.381 | 7 | 2.21 |
| SR3ZZ | 防尘盖 | 3/16"︱4.762mm | 1/2"︱12.7mm | 0.1960"︱4.978mm | 2.381 | 7 | |
| SR3-2RS | 橡胶盖 | 3/16"︱4.762mm | 1/2"︱12.7mm | 0.1960"︱4.978mm | 2.381 | 7 | |
| SR3A | 开式 | 3/16"︱4.762mm | 5/8"︱15.875 | 0.1960"︱4.978mm | 2.381 | 8 | 5.08 |
| SR3AZZ | 防尘盖 | 3/16"︱4.762mm | 5/8"︱15.875 | 0.1960"︱4.978mm | 2.381 | 8 | 5.08 |
| SR3A-2RS | 橡胶盖 | 3/16"︱4.762mm | 5/8"︱15.875 | 0.1960"︱4.978mm | 2.381 | 8 | 5.08 |
| SR168 | 开式 | 1/4"︱6.35mm | 3/8"︱9.525mm | 1/8"︱3.175mm | 1 | 11 | 0.57 |
| SR168ZZ | 防尘盖 | 1/4"︱6.35mm | 3/8"︱9.525mm | 1/8"︱3.175mm | 1 | 11 | 0.6 |
| SR168-2RS | 橡胶盖 | 1/4"︱6.35mm | 3/8"︱9.525mm | 1/8"︱3.175mm | 1 | 11 | 0.6 |
| SR188 | 开式 | 1/4"︱6.35mm | 1/2"︱12.7mm | 1/8"︱3.175mm | 2 | 8 | 1.6 |
| SR188ZZ | 防尘盖 | 1/4"︱6.35mm | 1/2"︱12.7mm | 3/16"︱4.762mm | 2 | 8 | 2.32 |
| SR188-2RS | 橡胶盖 | 1/4"︱6.35mm | 1/2"︱12.7mm | 3/16"︱4.762mm | 2 | 8 | 2.32 |
| SR4 | 开式 | 1/4"︱6.35mm | 5/8"︱15.875 | 0.1960"︱4.978mm | 2.381 | 8 | 4.46 |
| SR4ZZ | 防尘盖 | 1/4"︱6.35mm | 5/8"︱15.875 | 0.1960"︱4.978mm | 2.381 | 8 | 4.54 |
| SR4-2RS | 橡胶盖 | 1/4"︱6.35mm | 5/8"︱15.875 | 0.1960"︱4.978mm | 2.381 | 8 | 4.54 |
| SR4A | 开式 | 1/4"︱6.35mm | 3/4"︱19.05mm | 0.2188"︱5.558 | 3.5 | 6 | 7.48 |
| SR4AZZ | 防尘盖 | 1/4"︱6.35mm | 3/4"︱19.05mm | 0.2188"︱5.558 | 3.5 | 6 | 10 |
| SR4A-2RS | 橡胶盖 | 1/4"︱6.35mm | 3/4"︱19.05mm | 0.2188"︱5.558 | 3.5 | 6 | 10 |
| SR1810 | 开式 | 5/16"︱7.938mm | 1/2"︱12.7mm | 5/32"︱3.967mm | 1.2 | 12 | 1.39 |
| SR1810ZZ | 防尘盖 | 5/16"︱7.938mm | 1/2"︱12.7mm | 5/32"︱3.967mm | 1.2 | 12 | 1.57 |
| SR1810-2RS | 橡胶盖 | 5/16"︱7.938mm | 1/2"︱12.7mm | 5/32"︱3.967mm | 1.2 | 12 | 1.57 |
| SR6 | 开式 | 3/8"︱9.525mm | 7/8"︱22.225 | 0.2188"︱5.558 | 3.97 | 7 | 9.02 |
| SR6ZZ | 防尘盖 | 3/8"︱9.525mm | 7/8"︱22.225 | 0.2812"︱7.142mm | 3.97 | 7 | 11.7 |
| SR6-2RS | 橡胶盖 | 3/8"︱9.525mm | 7/8"︱22.225 | 0.2812"︱7.142mm | 3.97 | 7 | 11.7 |
| SR8 | 开式 | 1/2"︱12.7mm | 1 1/8"︱34.925mm | 1/4"︱6.35mm | 4.762 | 8 | 11.6 |
| SR8ZZ | 防尘盖 | 1/2"︱12.7mm | 1 1/8"︱34.925mm | 5/16"︱7.938mm | 4.762 | 8 | 24.1 |
| SR8-2RS | 橡胶盖 | 1/2"︱12.7mm | 1 1/8"︱34.925mm | 5/16"︱7.938mm | 4.762 | 8 | 24.1 |
| 型号 | 密封形式 | 内径(d) | 外径(D) | 宽度(B) | 球径(mm) | 钢球数量 | 重量(g) |
| SR1-4 | 开式 | 5/64"︱1.984mm | 1/4"︱6.35mm | 3/32"︱2.381mm | 1 | 7 | 0.4 |
| SR1-4ZZ | 防尘盖 | 5/64"︱1.984mm | 1/4"︱6.35mm | 0.1406"︱3.571mm | 1 | 7 | 0.53 |
| SR1-4 2RS | 橡胶盖 | 5/64"︱1.984mm | 1/4"︱6.35mm | 0.1406"︱3.571mm | 1 | 7 | 0.53 |
| SR1-5 | 开式 | 3/32"︱2.381mm | 5/16"︱7.938mm | 0.1094"︱2.779mm | 1.588 | 6 | 0.6 |
| SR1-5ZZ | 防尘盖 | 3/32"︱2.381mm | 5/16"︱7.938mm | 0.1406"︱3.571mm | 1.588 | 6 | 1.15 |
| SR1-5 2RS | 橡胶盖 | 3/32"︱2.381mm | 5/16"︱7.938mm | 0.1406"︱3.571mm | 1.588 | 6 | 1.15 |
| SR133 | 开式 | 3/32"︱2.381mm | 3/16"︱4.762mm | 0.0625"︱1.588mm | 0.8 | 7 | 0.1 |
| SR133ZZ | 防尘盖 | 3/32"︱2.381mm | 3/16"︱4.762mm | 3/32"︱2.381mm | 0.8 | 7 | 0.15 |
| SR133-2RS | 橡胶盖 | 3/32"︱2.381mm | 3/16"︱4.762mm | 3/32"︱2.381mm | 0.8 | 7 | 0.15 |
| SR144 | 开式 | 1/8"︱3.175mm | 1/4"︱6.35mm | 3/32"︱2.381mm | 1 | 7 | 0.27 |
| SR144ZZ | 防尘盖 | 1/8"︱3.175mm | 1/4"︱6.35mm | 0.1094"︱2.779mm | 1 | 7 | 0.4 |
| SR144-2RS | 橡胶盖 | 1/8"︱3.175mm | 1/4"︱6.35mm | 0.1094"︱2.779mm | 1 | 7 | 0.4 |
| SR2 | 开式 | 1/8"︱3.175mm | 3/8"︱9.525mm | 5/32"︱3.967mm | 1.588 | 7 | 1.04 |
| SR2ZZ | 防尘盖 | 1/8"︱3.175mm | 3/8"︱9.525mm | 5/32"︱3.967mm | 1.588 | 7 | 1.37 |
| SR2-2RS | 橡胶盖 | 1/8"︱3.175mm | 3/8"︱9.525mm | 5/32"︱3.967mm | 1.588 | 7 | 1.37 |
| SR2-5 | 开式 | 1/8"︱3.175mm | 5/16"︱7.938mm | 0.1094"︱2.779mm | 1.588 | 6 | 0.5 |
| SR2-5ZZ | 防尘盖 | 1/8"︱3.175mm | 5/16"︱7.938mm | 0.1406"︱3.571mm | 1.588 | 6 | 0.74 |
| SR2-5-2RS | 橡胶盖 | 1/8"︱3.175mm | 5/16"︱7.938mm | 0.1406"︱3.571mm | 1.588 | 6 | 0.74 |
| SR2-6 | 开式 | 1/8"︱3.175mm | 3/8"︱9.525mm | 0.1094"︱2.779mm | 1.588 | 7 | 0.96 |
| SR2-6ZZ | 防尘盖 | 1/8"︱3.175mm | 3/8"︱9.525mm | 0.1406"︱3.571mm | 1.588 | 7 | 1.23 |
| SR2-6-2RS | 橡胶盖 | 1/8"︱3.175mm | 3/8"︱9.525mm | 0.1406"︱3.571mm | 1.588 | 7 | 1.23 |
| SR2A | 开式 | 1/8"︱3.175mm | 1/2"︱12.7mm | 0.1719"︱4.366mm | 1.588 | 7 | 3.3 |
| SR2AZZ | 防尘盖 | 1/8"︱3.175mm | 1/2"︱12.7mm | 0.1719"︱4.366mm | 1.588 | 7 | 1.23 |
| SR2A-2RS | 橡胶盖 | 1/8"︱3.175mm | 1/2"︱12.7mm | 0.1719"︱4.366mm | 1.588 | 7 | 1.23 |
| SR155 | 开式 | 5/32"︱3.969mm | 5/16"︱7.938mm | 0.1094"︱2.779mm | 1 | 10 | 0.51 |
| SR155ZZ | 防尘盖 | 5/32"︱3.969mm | 5/16"︱7.938mm | 1/8"︱3.175mm | 1 | 10 | 0.61 |
| SR155-2RS | 橡胶盖 | 5/32"︱3.969mm | 5/16"︱7.938mm | 1/8"︱3.175mm | 1 | 10 | 0.61 |
| SR156 | 开式 | 3/16"︱4.762mm | 5/16"︱7.938mm | 0.1094"︱2.779mm | 1 | 10 | 0.4 |
| SR156ZZ | 防尘盖 | 3/16"︱4.762mm | 5/16"︱7.938mm | 1/8"︱3.175mm | 1 | 10 | |
| SR156-2RS | 橡胶盖 | 3/16"︱4.762mm | 5/16"︱7.938mm | 1/8"︱3.175mm | 1 | 10 | |
| SR166 | 开式 | 3/16"︱4.762mm | 3/8"︱9.525mm | 1/8"︱3.175mm | 1.588 | 8 | 0.81 |
| SR166ZZ | 防尘盖 | 3/16"︱4.762mm | 3/8"︱9.525mm | 1/8"︱3.175mm | 1.588 | 8 | 0.85 |
| SR166-2RS | 橡胶盖 | 3/16"︱4.762mm | 3/8"︱9.525mm | 1/8"︱3.175mm | 1.588 | 8 | 0.85 |
| SR3 | 开式 | 3/16"︱4.762mm | 1/2"︱12.7mm | 5/32"︱3.967mm | 2.381 | 7 | 2.21 |
| SR3ZZ | 防尘盖 | 3/16"︱4.762mm | 1/2"︱12.7mm | 0.1960"︱4.978mm | 2.381 | 7 | |
| SR3-2RS | 橡胶盖 | 3/16"︱4.762mm | 1/2"︱12.7mm | 0.1960"︱4.978mm | 2.381 | 7 | |
| SR3A | 开式 | 3/16"︱4.762mm | 5/8"︱15.875 | 0.1960"︱4.978mm | 2.381 | 8 | 5.08 |
| SR3AZZ | 防尘盖 | 3/16"︱4.762mm | 5/8"︱15.875 | 0.1960"︱4.978mm | 2.381 | 8 | 5.08 |
| SR3A-2RS | 橡胶盖 | 3/16"︱4.762mm | 5/8"︱15.875 | 0.1960"︱4.978mm | 2.381 | 8 | 5.08 |
| SR168 | 开式 | 1/4"︱6.35mm | 3/8"︱9.525mm | 1/8"︱3.175mm | 1 | 11 | 0.57 |
| SR168ZZ | 防尘盖 | 1/4"︱6.35mm | 3/8"︱9.525mm | 1/8"︱3.175mm | 1 | 11 | 0.6 |
| SR168-2RS | 橡胶盖 | 1/4"︱6.35mm | 3/8"︱9.525mm | 1/8"︱3.175mm | 1 | 11 | 0.6 |
| SR188 | 开式 | 1/4"︱6.35mm | 1/2"︱12.7mm | 1/8"︱3.175mm | 2 | 8 | 1.6 |
| SR188ZZ | 防尘盖 | 1/4"︱6.35mm | 1/2"︱12.7mm | 3/16"︱4.762mm | 2 | 8 | 2.32 |
| SR188-2RS | 橡胶盖 | 1/4"︱6.35mm | 1/2"︱12.7mm | 3/16"︱4.762mm | 2 | 8 | 2.32 |
| SR4 | 开式 | 1/4"︱6.35mm | 5/8"︱15.875 | 0.1960"︱4.978mm | 2.381 | 8 | 4.46 |
| SR4ZZ | 防尘盖 | 1/4"︱6.35mm | 5/8"︱15.875 | 0.1960"︱4.978mm | 2.381 | 8 | 4.54 |
| SR4-2RS | 橡胶盖 | 1/4"︱6.35mm | 5/8"︱15.875 | 0.1960"︱4.978mm | 2.381 | 8 | 4.54 |
| SR4A | 开式 | 1/4"︱6.35mm | 3/4"︱19.05mm | 0.2188"︱5.558 | 3.5 | 6 | 7.48 |
| SR4AZZ | 防尘盖 | 1/4"︱6.35mm | 3/4"︱19.05mm | 0.2188"︱5.558 | 3.5 | 6 | 10 |
| SR4A-2RS | 橡胶盖 | 1/4"︱6.35mm | 3/4"︱19.05mm | 0.2188"︱5.558 | 3.5 | 6 | 10 |
| SR1810 | 开式 | 5/16"︱7.938mm | 1/2"︱12.7mm | 5/32"︱3.967mm | 1.2 | 12 | 1.39 |
| SR1810ZZ | 防尘盖 | 5/16"︱7.938mm | 1/2"︱12.7mm | 5/32"︱3.967mm | 1.2 | 12 | 1.57 |
| SR1810-2RS | 橡胶盖 | 5/16"︱7.938mm | 1/2"︱12.7mm | 5/32"︱3.967mm | 1.2 | 12 | 1.57 |
| SR6 | 开式 | 3/8"︱9.525mm | 7/8"︱22.225 | 0.2188"︱5.558 | 3.97 | 7 | 9.02 |
| SR6ZZ | 防尘盖 | 3/8"︱9.525mm | 7/8"︱22.225 | 0.2812"︱7.142mm | 3.97 | 7 | 11.7 |
| SR6-2RS | 橡胶盖 | 3/8"︱9.525mm | 7/8"︱22.225 | 0.2812"︱7.142mm | 3.97 | 7 | 11.7 |
| SR8 | 开式 | 1/2"︱12.7mm | 1 1/8"︱34.925mm | 1/4"︱6.35mm | 4.762 | 8 | 11.6 |
| SR8ZZ | 防尘盖 | 1/2"︱12.7mm | 1 1/8"︱34.925mm | 5/16"︱7.938mm | 4.762 | 8 | 24.1 |
| SR8-2RS | 橡胶盖 | 1/2"︱12.7mm | 1 1/8"︱34.925mm | 5/16"︱7.938mm | 4.762 | 8 | 24.1 |
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