| Bore Diameter (d) | Outer Diameter (D) | Flange | Width | Flange Width(c) | |||
| Type | Outer Diameter | (b) | |||||
| (D1) | open | zz | open | zz | |||
| FR1-4zzs | 1.984 | 6.35 | 7.518 | 2.38 | 3.571 | 0.584 | 0.787 |
| FR133zz | 2.38 | 4.762 | 5.944 | 1.588 | 2.38 | 0.457 | 0.787 |
| FR1-5zzs | 7.938 | 9.119 | 2.779 | 3.571 | 0.584 | 0.787 | |
| FR144zzs | 6.35 | 7.518 | 2.38 | 2.779 | 0.584 | 0.787 | |
| FR2-5zz | 3.175 | 7.938 | 9.119 | 2.779 | 3.571 | 0.584 | 0.787 |
| FR2-6zzs | 9.525 | 10.719 | 2.779 | 3.571 | 0.584 | 0.787 | |
| FR2zz | 9.525 | 11.176 | 3.967 | 3.967 | 0.762 | 0.762 | |
| FE155zzs | 3.967 | 7.938 | 9.119 | 2.779 | 3.175 | 0.584 | 0.914 |
| FR156zzs | 4.762 | 7.938 | 9.119 | 2.779 | 3.175 | 0.584 | 0.914 |
| FR166zz | 9.525 | 10.719 | 3.175 | 3.175 | 0.584 | 0.787 | |
| FR3zz | 12.7 | 14.351 | 4.978 | 4.978 | 1.067 | 1.067 | |
| FR168zzs | 6.35 | 9.525 | 10.719 | 3.175 | 3.175 | 0.584 | 0.914 |
| FR188zz | 12.7 | 13.894 | 3.175 | 4.762 | 0.584 | 1.143 | |
| FR4zz | 15.875 | 17.526 | 4.978 | 4.978 | 1.067 | 1.067 | |
| FR1810zzs | 7.938 | 12.7 | 13.894 | 3.967 | 3.967 | 0.787 | 0.787 |
| FR6zz | 9.525 | 22.225 | 24.613 | 5.558 | 7.142 | 1.57 | 1.57 |
OUR FACTORY