FR.., FR..R 和LR.., LR..R系列导轨滚轮的安装调整和预紧是通过其偏心内圈进行的, FR..Z和LR..Z系列滚轮是同心的设计结构.
偏心结构设计的滚轮在内圈其中一侧有两个盲孔用作调整间隙,如果滚轮以零位定位,则齿条与齿轮的啮合间隙为0.05mm.过大的预紧可能使整个系统的寿命缩短.而预紧不足,当系统工作时,滚轮将不会运转,或因啮合不良引起系统的意外磨损.导向滚轮具有很低的摩擦系数,当导轨配有刮尘刷时,该系数通常略有微小的增大. 为了适应恶劣的环境,安鼎公司也可生产用不锈钢材料制造的滚轮,这些滚轮带有后缀"R"以示区别.
| 滚轮型号 | 滚轮主要尺寸(mm) | 额定载荷 | ||||||||||||||||||
| ANDING | A | B | C | D | e | F | G | H | L | D1 | D2 | D3 | D4 | D5 | d | d1 | DP | R | Cr(N) | Cor(N) |
| FR10 | 22.62 | 10.5 | 10 | 1 | 1 | 2 | 6.8 | 15.4 | 30 | 6.4 | 15 | 20.8 | 11 | 42 | 9 | 2.6 | 3 | 200 | 4.9 | 5.3 |
| FR10Z | 22.62 | 10.5 | 10 | 1 | 0 | 2 | 6.8 | 15.4 | 30 | 6.4 | 15 | 20.8 | 11 | 42 | 9 | 2.6 | 3 | 200 | 4.9 | 5.3 |
| FR15 | 29.65 | 12 | 12 | 1 | 1 | 2 | 9 | 18.5 | 35 | 8.4 | 15 | 23.8 | 14 | 53 | 14 | 2.6 | 3 | 250 | 7.2 | 6.8 |
| FR15Z | 29.65 | 12 | 12 | 1 | 0 | 2 | 9 | 18.5 | 35 | 8.4 | 15 | 23.8 | 14 | 53 | 14 | 2.6 | 3 | 250 | 7.2 | 6.8 |
| FR20 | 36.2 | 16 | 15 | 1 | 1 | 3 | 11 | 22.5 | 46 | 10.5 | 20 | 22.7 | 18 | 63 | 20 | 2.6 | 3 | 300 | 10.2 | 9.5 |
| FR20Z | 36.2 | 16 | 15 | 1 | 0 | 3 | 11 | 22.5 | 46 | 10.5 | 20 | 22.7 | 18 | 63 | 20 | 2.6 | 3 | 300 | 10.2 | 9.5 |
| FR22 | 39.4 | 16 | 15 | 1 | 2 | 3 | 11 | 27.5 | 46 | 10.5 | 20 | 33 | 18 | 70 | 20 | 2.6 | 3 | 300 | 24.6 | 16.2 |
| FR22Z | 39.4 | 16 | 15 | 1 | 0 | 3 | 11 | 27.5 | 46 | 10.5 | 20 | 33 | 18 | 70 | 20 | 2.6 | 3 | 300 | 24.6 | 16.2 |
| FR25 | 43.42 | 20.5 | 20 | 1 | 1 | 3.5 | 13 | 27.5 | 60 | 13 | 25 | 35.6 | 20 | 77 | 24 | 4.1 | 4.5 | 360 | 16.3 | 15 |
| FR25Z | 43.42 | 20.5 | 20 | 1 | 0 | 3.5 | 13 | 27.5 | 60 | 13 | 25 | 35.6 | 20 | 77 | 24 | 4.1 | 4.5 | 360 | 16.3 | 15 |
| FR35 | 61.25 | 30 | 25 | 1 | 1 | 7.5 | 17.5 | 42 | 84 | 17 | 40 | 56.9 | 30 | 107 | 35 | 4.1 | 4.5 | 500 | 28.4 | 32 |
| LR10 | 10.5 | 10 | 1 | 1 | 2 | 6.8 | 15.4 | 30 | 6.4 | 15 | 20.8 | 11 | 47 | 2.6 | 3 | 500 | 4.9 | 5.3 | ||
| LR10Z | 10.5 | 10 | 1 | 0 | 2 | 6.8 | 15.4 | 30 | 6.4 | 15 | 20.8 | 11 | 47 | 2.6 | 3 | 500 | 4.9 | 5.3 | ||
| LR15 | 12 | 12 | 1 | 1 | 2 | 9 | 18.5 | 35 | 8.4 | 15 | 23.8 | 14 | 47 | 2.6 | 3 | 500 | 7.2 | 6.8 | ||
| LR15Z | 12 | 12 | 1 | 0 | 2 | 9 | 18.5 | 35 | 8.4 | 15 | 23.8 | 14 | 47 | 2.6 | 3 | 500 | 7.2 | 6.8 | ||
| LR20 | 16 | 15 | 1 | 1 | 3 | 11 | 22.5 | 46 | 10.5 | 20 | 22.7 | 18 | 72 | 2.6 | 3 | 500 | 10.2 | 9.5 | ||
| LR20Z | 16 | 15 | 1 | 0 | 3 | 11 | 22.5 | 46 | 10.5 | 20 | 22.7 | 18 | 72 | 2.6 | 3 | 500 | 10.2 | 9.5 | ||
| LR25 | 20.5 | 20 | 1 | 1 | 3.5 | 13 | 27.5 | 60 | 13 | 25 | 35.6 | 20 | 85 | 4.1 | 4.5 | 500 | 16.3 | 15 | ||
| LR25Z | 20.5 | 20 | 1 | 0 | 3.5 | 13 | 27.5 | 60 | 13 | 25 | 35.6 | 20 | 85 | 4.1 | 4.5 | 500 | 16.3 | 15 | ||
| LR35 | 30 | 25 | 1 | 1 | 7.5 | 17.5 | 42 | 84 | 17 | 40 | 56.9 | 30 | 100 | 4.1 | 4.5 | 500 | 28.4 | 32 | ||
| LR35Z | 30 | 25 | 1 | 0 | 7.5 | 17.5 | 42 | 84 | 17 | 40 | 56.9 | 30 | 100 | 4.1 | 4.5 | 500 | 28.4 | 32 | ||