we manufacture inch series of flanged miniature ball bearing for industries,as well as metric sieries, extended inner ring bearing is hot bearing in our factory.
| 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 | 2.38 | 7.938 | 9.119 | 2.779 | 3.571 | 0.584 | 0.787 |
| FR144zzs | 3.175 | 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 | 3.175 | 9.525 | 10.719 | 2.779 | 3.571 | 0.584 | 0.787 |
| FR2zz | 3.175 | 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 | 4.762 | 9.525 | 10.719 | 3.175 | 3.175 | 0.584 | 0.787 |
| FR3zz | 4.762 | 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 |
| Type | shape Dimension | ||||||
| Bore Diameter (d)mm | Outer Diameter (D)mm | Flanged outer diameter Df/Df1 mm | Width for open type(B)mm | flanged width for open bearing (Bf)mm | Width for shield type(B1)mm | flanged width for shield bearing (Bf1)mm | |
| R1-4zz | 1.984 | 6.350 | 7.518 | 2.380 | 0.584 | 3.571 | 0.787 |
| R133zz | 2.380 | 4.762 | 5.944 | 1.588 | 0.457 | 2.380 | 0.787 |
| R1-5zz | 2.380 | 7.938 | 9.119 | 2.779 | 0.584 | 3.571 | 0.787 |
| R144Jzzs | 3.175 | 6.350 | 7.518 | 2.380 | 0.584 | 2.779 | 0.787 |
| R2-5zz | 3.175 | 7.938 | 9.119 | 2.779 | 0.584 | 3.571 | 0.787 |
| R2-6zz | 3.175 | 9.525 | 10.719 | 2.779 | 0.584 | 3.571 | 0.878 |
| R2zz | 3.175 | 9.525 | 11.176 | 3.967 | 0.584 | 3.967 | 0.878 |
| R2Azz | 3.175 | 12.700 | 4.366 | 4.366 | |||
| R155zzs | 3.967 | 7.938 | 9.119 | 2.779 | 0.584 | 3.175 | 0.914 |
| R156zzs | 4.762 | 7.938 | 9.119 | 2.779 | 0.584 | 3.175 | 0.914 |
| R166zzs | 4.762 | 9.525 | 10.719 | 3.175 | 0.584 | 3.175 | 0.787 |
| R3zz | 4.762 | 12.700 | 14.351 | 3.967 | 1.067 | 4.978 | 1.067 |
| R3Azz | 4.762 | 15.875 | 4.978 | 4.978 | |||
| R168zzs | 6.350 | 9.525 | 10.719 | 3.175 | 0.584 | 3.175 | 0.914 |
| R188zz | 6.350 | 12.700 | 13.894 | 3.175 | 0.584 | 4.762 | 1.143 |
| R4zz | 6.350 | 15.875 | 17.526 | 4.978 | 1.067 | 4.978 | 1.067 |
| R4Azz | 6.350 | 19.050 | 5.558 | 7.142 | |||
| R1810zzs | 7.938 | 12.700 | 13.894 | 3.967 | 0.787 | 3.967 | 0.787 |
| R6zz | 9.525 | 22.225 | 24.613 | 5.558 | 1.575 | 7.142 | 1.575 |
| R1038zz | 9.525 | 15.875 | 3.967 | 3.967 | |||
| R1212zz | 12.700 | 19.050 | 3.967 | 3.967 | |||
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