宽内圈微型轴承也称高内圈微型轴承，即轴承内圈的厚度高出外圈厚度的微型轴承，为特殊用途而设计。润时达轴承有完整的宽内圈微型轴承可供选择，精度从P0(ABEC-1）到P3(ABEC-9)，有轴承钢Gcr15,不锈钢440(9Cr18)和不锈钢420(9Cr13)几种材料可供选择，可定制非标准产品。所有产品均严格按ISO9001:2015标准生产。
| 型号 | 种类 | 内径(d) | 外径(D) | 外圈宽度(C) | 内圈宽度（B) | 球径(mm) | 球数 | 重量(g) |
|---|---|---|---|---|---|---|---|---|
| R0 EE | open | 3/64"︱1.191mm | 5/32"︱3.969mm | 0.0625"︱1.588mm | 3/32"︱2.381mm | 0.6 | 7 | 0.1 |
| R0ZZ EE | Shields | 3/64"︱1.191mm | 5/32"︱3.969mm | 3/32"︱2.381mm | 1/8"︱3.175mm | 0.6 | 7 | 0.15 |
| R1 EE | open | 1/18"︱1.411mm | 3/16"︱4.762mm | 0.0781"︱1.984mm | 0.1094"︱2.779mm | 1 | 6 | 0.15 |
| R1ZZ EE | Shields | 1/18"︱1.411mm | 3/16"︱4.762mm | 0.1094"︱2.779mm | 0.1406"︱3.571mm | 1 | 6 | 0.19 |
| R144 EE | open | 5/64"︱1.984mm | 1/4"︱6.35mm | 3/32"︱2.381mm | 1/8"︱3.175mm | 1 | 7 | 0.4 |
| R1-4ZZ EE | Shields | 5/64"︱1.984mm | 1/4"︱6.35mm | 0.1406"︱3.571mm | 0.1719"︱4.366mm | 1 | 7 | 0.53 |
| R1-4 2RS EE | Rubber seal | 5/64"︱1.984mm | 1/4"︱6.35mm | 0.1406"︱3.571mm | 0.1719"︱4.366mm | 1 | 7 | 0.53 |
| R1-5 EE | open | 3/32"︱2.381mm | 5/16"︱7.938mm | 0.1094"︱2.779mm | 0.1406"︱3.571mm | 1.588 | 6 | 0.6 |
| R1-5ZZ EE | Shields | 3/32"︱2.381mm | 5/16"︱7.938mm | 0.1406"︱3.571mm | 0.1719" | 4.366 mm | 1.588 | 6 | 1.15 |
| R1-5 2RS EE | Rubber seal | 3/32"︱2.381mm | 5/16"︱7.938mm | 0.1406"︱3.571mm | 0.1719"|4.366 mm | 1.588 | 6 | 1.15 |
| R133 EE | open | 3/32"︱2.381mm | 3/16"︱4.762mm | 0.0625"︱1.588mm | 0.0937"︱2.38mm | 0.8 | 7 | 0.1 |
| R133ZZ EE | Shields | 3/32"︱2.381mm | 3/16"︱4.762mm | 3/32"︱2.381mm | 1/8"︱3.175mm | 0.8 | 7 | 0.15 |
| R133-2RS EE | Rubber seal | 3/32"︱2.381mm | 3/16"︱4.762mm | 3/32"︱2.381mm | 1/8"︱3.175mm | 0.8 | 7 | 0.15 |
| R144 EE | open | 1/8"︱3.175mm | 1/4"︱6.35mm | 3/32"︱2.381mm | 1/8"︱3.175mm | 1 | 7 | 0.27 |
| R144ZZ EE | Shields | 1/8"︱3.175mm | 1/4"︱6.35mm | 0.1094"︱2.779mm | 0.1406"︱3.571mm | 1 | 7 | 0.4 |
| R144-2RS EE | Rubber seal | 1/8"︱3.175mm | 1/4"︱6.35mm | 0.1094"︱2.779mm | 0.1406"︱3.571mm | 1 | 7 | 0.4 |
| R2 EE | open | 1/8"︱3.175mm | 3/8"︱9.525mm | 5/32"︱3.969mm | 3/16"︱4.762mm | 1.588 | 7 | 1.04 |
| R2ZZ EE | Shields | 1/8"︱3.175mm | 3/8"︱9.525mm | 5/32"︱3.969mm | 3/16"︱4.762mm | 1.588 | 7 | 1.37 |
| R2-2RS EE | Rubber seal | 1/8"︱3.175mm | 3/8"︱9.525mm | 5/32"︱3.969mm | 3/16"︱4.762mm | 1.588 | 7 | 1.37 |
| R2-5 EE | open | 1/8"︱3.175mm | 5/16"︱7.938mm | 0.1094"︱2.779mm | 0.1406"︱3.571mm | 1.588 | 6 | 0.5 |
| R2-5ZZ EE | Shields | 1/8"︱3.175mm | 5/16"︱7.938mm | 0.1406"︱3.571mm | 0.1719" | 4.366 mm | 1.588 | 6 | 0.74 |
| R2-5-2RS EE | Rubber seal | 1/8"︱3.175mm | 5/16"︱7.938mm | 0.1406"︱3.571mm | 0.1719" | 4.366 mm | 1.588 | 6 | 0.74 |
| R2-6 EE | open | 1/8"︱3.175mm | 3/8"︱9.525mm | 0.1094"︱2.779mm | 0.1406"︱3.571mm | 1.588 | 7 | 0.96 |
| R2-6ZZ EE | Shields | 1/8"︱3.175mm | 3/8"︱9.525mm | 0.1406"︱3.571mm | 0.1719" | 4.366 mm | 1.588 | 7 | 1.23 |
| R2-6-2RS EE | Rubber seal | 1/8"︱3.175mm | 3/8"︱9.525mm | 0.1406"︱3.571mm | 0.1719" | 4.366 mm | 1.588 | 7 | 1.23 |
| R155 EE | open | 5/32"︱3.969mm | 5/16"︱7.938mm | 0.1094"︱2.779mm | 0.1406"︱3.571mm | 1 | 10 | 0.51 |
| R155ZZ EE | Shields | 5/32"︱3.969mm | 5/16"︱7.938mm | 1/8"︱3.175mm | 5/32"︱3.969mm | 1 | 10 | 0.61 |
| R155-2RS EE | Rubber seal | 5/32"︱3.969mm | 5/16"︱7.938mm | 1/8"︱3.175mm | 5/32"︱3.969mm | 1 | 10 | 0.61 |
| R156 EE | open | 3/16"︱4.762mm | 5/16"︱7.938mm | 0.1094"︱2.779mm | 0.1406"︱3.571mm | 1 | 10 | 0.4 |
| R156ZZ EE | Shields | 3/16"︱4.762mm | 5/16"︱7.938mm | 1/8"︱3.175mm | 5/32"︱3.969mm | 1 | 10 | |
| R156-2RS EE | Rubber seal | 3/16"︱4.762mm | 5/16"︱7.938mm | 1/8"︱3.175mm | 5/32"︱3.969mm | 1 | 10 | |
| R166 EE | open | 3/16"︱4.762mm | 3/8"︱9.525mm | 1/8"︱3.175mm | 5/32"︱3.969mm | 1.588 | 8 | 0.81 |
| R166ZZ EE | Shields | 3/16"︱4.762mm | 3/8"︱9.525mm | 1/8"︱3.175mm | 5/32"︱3.969mm | 1.588 | 8 | 0.85 |
| R166-2RS EE | Rubber seal | 3/16"︱4.762mm | 3/8"︱9.525mm | 1/8"︱3.175mm | 5/32"︱3.969mm | 1.588 | 8 | 0.85 |
| R3 EE | open | 3/16"︱4.762mm | 1/2"︱12.7mm | 5/32"︱3.969mm | 3/16"︱4.762mm | 2.381 | 7 | 2.21 |
| R3ZZ EE | Shields | 3/16"︱4.762mm | 1/2"︱12.7mm | 0.1960"︱4.978mm | 0.2273"︱5.773mm | 2.381 | 7 | |
| R3-2RS EE | Rubber seal | 3/16"︱4.762mm | 1/2"︱12.7mm | 0.1960"︱4.978mm | 0.2273"︱5.773mm | 2.381 | 7 | |
| R168 EE | open | 1/4"︱6.35mm | 3/8"︱9.525mm | 1/8"︱3.175mm | 5/32"︱3.969mm | 1 | 11 | 0.57 |
| R168ZZ EE | Shields | 1/4"︱6.35mm | 3/8"︱9.525mm | 1/8"︱3.175mm | 5/32"︱3.969mm | 1 | 11 | 0.6 |
| R168-2RS EE | Rubber seal | 1/4"︱6.35mm | 3/8"︱9.525mm | 1/8"︱3.175mm | 5/32"︱3.969mm | 1 | 11 | 0.6 |
| R188 EE | open | 1/4"︱6.35mm | 1/2"︱12.7mm | 1/8"︱3.175mm | 5/32"︱3.969mm | 2 | 8 | 1.6 |
| R188ZZ EE | Shields | 1/4"︱6.35mm | 1/2"︱12.7mm | 3/16"︱4.762mm | 0.2188"︱5.558mm | 2 | 8 | 2.32 |
| R188-2RS EE | Rubber seal | 1/4"︱6.35mm | 1/2"︱12.7mm | 3/16"︱4.762mm | 0.2188"︱5.558mm | 2 | 8 | 2.32 |
| R4 EE | open | 1/4"︱6.35mm | 5/8"︱15.875mm | 0.1960"︱4.978mm | 0.2273"︱5.773mm | 2.381 | 8 | 4.46 |
| R4ZZ EE | Shields | 1/4"︱6.35mm | 5/8"︱15.875mm | 0.1960"︱4.978mm | 0.2273"︱5.773mm | 2.381 | 8 | 4.54 |
| R4-2RS EE | Rubber seal | 1/4"︱6.35mm | 5/8"︱15.875mm | 0.1960"︱4.978mm | 0.2273"︱5.773mm | 2.381 | 8 | 4.54 |
| R1810 EE | open | 5/16"︱7.938mm | 1/2"︱12.7mm | 5/32"︱3.969mm | 3/16"︱4.762mm | 1.2 | 12 | 1.39 |
| R1810ZZ EE | Shields | 5/16"︱7.938mm | 1/2"︱12.7mm | 5/32"︱3.969mm | 3/16"︱4.762mm | 1.2 | 12 | 1.57 |
| R1810-2RS EE | Rubber seal | 5/16"︱7.938mm | 1/2"︱12.7mm | 5/32"︱3.969mm | 3/16"︱4.762mm | 1.2 | 12 | 1.57 |
| R6EE | open | 3/8"︱9.525mm | 7/8"︱22.225 | 0.2188"︱5.558mm | 3.97 | 7 | 9.02 | |
| R6ZZ EE | Shields | 3/8"︱9.525mm | 7/8"︱22.225 | 0.2812"︱7.142mm | 0.468"︱11.889mm | 3.97 | 7 | 11.7 |
| R6-2RS EE | Rubber seal | 3/8"︱9.525mm | 7/8"︱22.225 | 0.2812"︱7.142mm | 0.468"︱11.889mm | 3.97 | 7 | 11.7 |
宽内圈法兰微型轴承也称高内圈法兰微型轴承，即轴承内圈的厚度高出外圈厚度的法兰微型轴承，为特殊用途而设计。润时达轴承有完整的宽内圈法兰微型轴承可供选择，精度从P0(ABEC-1）到P3(ABEC-9)，有轴承钢Gcr15,不锈钢440(9Cr18)和不锈钢420(9Cr13)几种材料可供选择，可定制非标准产品。所有产品均严格按ISO9001:2015标准生产。
| 型号 | 种类 | 内径(d) | 外径(D) | 外圈宽度(C) | 内圈宽度（B) | 球径(mm) | 球数 | 重量(g) |
|---|---|---|---|---|---|---|---|---|
| FR0 EE | open | 3/64"︱1.191mm | 5/32"︱3.969mm | 0.0625"︱1.588mm | 3/32"︱2.381mm | 0.6 | 7 | 0.1 |
| FR0ZZEE | Shields | 3/64"︱1.191mm | 5/32"︱3.969mm | 3/32"︱2.381mm | 1/8"︱3.175mm | 0.6 | 7 | 0.15 |
| FR1EE | open | 1/18"︱1.411mm | 3/16"︱4.762mm | 0.0781"︱1.984mm | 0.1094"︱2.779mm | 1 | 6 | 0.15 |
| FR1ZZEE | Shields | 1/18"︱1.411mm | 3/16"︱4.762mm | 0.1094"︱2.779mm | 0.1406"︱3.571mm | 1 | 6 | 0.19 |
| FR1-4EE | open | 5/64"︱1.984mm | 1/4"︱6.35mm | 3/32"︱2.381mm | 1/8"︱3.175mm | 1 | 7 | 0.4 |
| FR1-4ZZEE | Shields | 5/64"︱1.984mm | 1/4"︱6.35mm | 0.1406"︱3.571mm | 0.1719"︱4.366mm | 1 | 7 | 0.53 |
| FR1-4 2RSEE | Rubber seal | 5/64"︱1.984mm | 1/4"︱6.35mm | 0.1406"︱3.571mm | 0.1719"︱4.366mm | 1 | 7 | 0.53 |
| FR1-5EE | open | 3/32"︱2.381mm | 5/16"︱7.938mm | 0.1094"︱2.779mm | 0.1406"︱3.571mm | 1.588 | 6 | 0.6 |
| FR1-5ZZEE | Shields | 3/32"︱2.381mm | 5/16"︱7.938mm | 0.1406"︱3.571mm | 0.1719" | 4.366 mm | 1.588 | 6 | 1.15 |
| FR1-5 2RSEE | Rubber seal | 3/32"︱2.381mm | 5/16"︱7.938mm | 0.1406"︱3.571mm | 0.1719"|4.366 mm | 1.588 | 6 | 1.15 |
| FR133EE | open | 3/32"︱2.381mm | 3/16"︱4.762mm | 0.0625"︱1.588mm | 0.0937"︱2.38mm | 0.8 | 7 | 0.1 |
| FR133ZZEE | Shields | 3/32"︱2.381mm | 3/16"︱4.762mm | 3/32"︱2.381mm | 1/8"︱3.175mm | 0.8 | 7 | 0.15 |
| FR133-2RSEE | Rubber seal | 3/32"︱2.381mm | 3/16"︱4.762mm | 3/32"︱2.381mm | 1/8"︱3.175mm | 0.8 | 7 | 0.15 |
| FR144EE | open | 1/8"︱3.175mm | 1/4"︱6.35mm | 3/32"︱2.381mm | 1/8"︱3.175mm | 1 | 7 | 0.27 |
| FR144ZZEE | Shields | 1/8"︱3.175mm | 1/4"︱6.35mm | 0.1094"︱2.779mm | 0.1406"︱3.571mm | 1 | 7 | 0.4 |
| FR144-2RSEE | Rubber seal | 1/8"︱3.175mm | 1/4"︱6.35mm | 0.1094"︱2.779mm | 0.1406"︱3.571mm | 1 | 7 | 0.4 |
| FR2EE | open | 1/8"︱3.175mm | 3/8"︱9.525mm | 5/32"︱3.969mm | 3/16"︱4.762mm | 1.588 | 7 | 1.04 |
| FR2ZZEE | Shields | 1/8"︱3.175mm | 3/8"︱9.525mm | 5/32"︱3.969mm | 3/16"︱4.762mm | 1.588 | 7 | 1.37 |
| FR2-2RSEE | Rubber seal | 1/8"︱3.175mm | 3/8"︱9.525mm | 5/32"︱3.969mm | 3/16"︱4.762mm | 1.588 | 7 | 1.37 |
| FR2-5EE | open | 1/8"︱3.175mm | 5/16"︱7.938mm | 0.1094"︱2.779mm | 0.1406"︱3.571mm | 1.588 | 6 | 0.5 |
| FR2-5ZZEE | Shields | 1/8"︱3.175mm | 5/16"︱7.938mm | 0.1406"︱3.571mm | 0.1719" | 4.366 mm | 1.588 | 6 | 0.74 |
| FR2-5-2RSEE | Rubber seal | 1/8"︱3.175mm | 5/16"︱7.938mm | 0.1406"︱3.571mm | 0.1719" | 4.366 mm | 1.588 | 6 | 0.74 |
| FR2-6EE | open | 1/8"︱3.175mm | 3/8"︱9.525mm | 0.1094"︱2.779mm | 0.1406"︱3.571mm | 1.588 | 7 | 0.96 |
| FR2-6ZZEE | Shields | 1/8"︱3.175mm | 3/8"︱9.525mm | 0.1406"︱3.571mm | 0.1719" | 4.366 mm | 1.588 | 7 | 1.23 |
| FR2-6-2RSEE | Rubber seal | 1/8"︱3.175mm | 3/8"︱9.525mm | 0.1406"︱3.571mm | 0.1719" | 4.366 mm | 1.588 | 7 | 1.23 |
| FR155EE | open | 5/32"︱3.969mm | 5/16"︱7.938mm | 0.1094"︱2.779mm | 0.1406"︱3.571mm | 1 | 10 | 0.51 |
| FR155ZZEE | Shields | 5/32"︱3.969mm | 5/16"︱7.938mm | 1/8"︱3.175mm | 5/32"︱3.969mm | 1 | 10 | 0.61 |
| FR155-2RSEE | Rubber seal | 5/32"︱3.969mm | 5/16"︱7.938mm | 1/8"︱3.175mm | 5/32"︱3.969mm | 1 | 10 | 0.61 |
| FR156EE | open | 3/16"︱4.762mm | 5/16"︱7.938mm | 0.1094"︱2.779mm | 0.1406"︱3.571mm | 1 | 10 | 0.4 |
| FR156ZZEE | Shields | 3/16"︱4.762mm | 5/16"︱7.938mm | 1/8"︱3.175mm | 5/32"︱3.969mm | 1 | 10 | |
| FR156-2RSEE | Rubber seal | 3/16"︱4.762mm | 5/16"︱7.938mm | 1/8"︱3.175mm | 5/32"︱3.969mm | 1 | 10 | |
| FR166 EE | open | 3/16"︱4.762mm | 3/8"︱9.525mm | 1/8"︱3.175mm | 5/32"︱3.969mm | 1.588 | 8 | 0.81 |
| FR166ZZ EE | Shields | 3/16"︱4.762mm | 3/8"︱9.525mm | 1/8"︱3.175mm | 5/32"︱3.969mm | 1.588 | 8 | 0.85 |
| FR166-2RSEE | Rubber seal | 3/16"︱4.762mm | 3/8"︱9.525mm | 1/8"︱3.175mm | 5/32"︱3.969mm | 1.588 | 8 | 0.85 |
| FR3EE | open | 3/16"︱4.762mm | 1/2"︱12.7mm | 5/32"︱3.969mm | 3/16"︱4.762mm | 2.381 | 7 | 2.21 |
| FR3ZZEE | Shields | 3/16"︱4.762mm | 1/2"︱12.7mm | 0.1960"︱4.978mm | 0.2273"︱5.773mm | 2.381 | 7 | |
| FR3-2RSEE | Rubber seal | 3/16"︱4.762mm | 1/2"︱12.7mm | 0.1960"︱4.978mm | 0.2273"︱5.773mm | 2.381 | 7 | |
| FR168EE | open | 1/4"︱6.35mm | 3/8"︱9.525mm | 1/8"︱3.175mm | 5/32"︱3.969mm | 1 | 11 | 0.57 |
| FR168ZZEE | Shields | 1/4"︱6.35mm | 3/8"︱9.525mm | 1/8"︱3.175mm | 5/32"︱3.969mm | 1 | 11 | 0.6 |
| FR168-2RS EE | Rubber seal | 1/4"︱6.35mm | 3/8"︱9.525mm | 1/8"︱3.175mm | 5/32"︱3.969mm | 1 | 11 | 0.6 |
| FR188EE | open | 1/4"︱6.35mm | 1/2"︱12.7mm | 1/8"︱3.175mm | 5/32"︱3.969mm | 2 | 8 | 1.6 |
| FR188ZZEE | Shields | 1/4"︱6.35mm | 1/2"︱12.7mm | 3/16"︱4.762mm | 0.2188"︱5.558mm | 2 | 8 | 2.32 |
| FR188-2RSEE | Rubber seal | 1/4"︱6.35mm | 1/2"︱12.7mm | 3/16"︱4.762mm | 0.2188"︱5.558mm | 2 | 8 | 2.32 |
| FR4EE | open | 1/4"︱6.35mm | 5/8"︱15.875mm | 0.1960"︱4.978mm | 0.2273"︱5.773mm | 2.381 | 8 | 4.46 |
| FR4ZZEE | Shields | 1/4"︱6.35mm | 5/8"︱15.875mm | 0.1960"︱4.978mm | 0.2273"︱5.773mm | 2.381 | 8 | 4.54 |
| FR4-2RSEE | Rubber seal | 1/4"︱6.35mm | 5/8"︱15.875mm | 0.1960"︱4.978mm | 0.2273"︱5.773mm | 2.381 | 8 | 4.54 |
| FR1810 EE | open | 5/16"︱7.938mm | 1/2"︱12.7mm | 5/32"︱3.969mm | 3/16"︱4.762mm | 1.2 | 12 | 1.39 |
| FR1810ZZ EE | Shields | 5/16"︱7.938mm | 1/2"︱12.7mm | 5/32"︱3.969mm | 3/16"︱4.762mm | 1.2 | 12 | 1.57 |
| FR1810-2RS EE | Rubber seal | 5/16"︱7.938mm | 1/2"︱12.7mm | 5/32"︱3.969mm | 3/16"︱4.762mm | 1.2 | 12 | 1.57 |
| FR6EE | open | 3/8"︱9.525mm | 7/8"︱22.225 | 0.2188"︱5.558mm | 3.97 | 7 | 9.02 | |
| FR6ZZ EE | Shields | 3/8"︱9.525mm | 7/8"︱22.225 | 0.2812"︱7.142mm | 0.468"︱11.889mm | 3.97 | 7 | 11.7 |
| FR6-2RSEE | Rubber seal | 3/8"︱9.525mm | 7/8"︱22.225 | 0.2812"︱7.142mm | 0.468"︱11.889mm | 3.97 | 7 | 11.7 |