Products lineup
Please refer to the catalog for detailed dimensional information.
| Model | Boundary dimensions [mm] | |||||||||
| D | D1 | d1 | B | C | L | d2×θ | R | Da | Part No. | |
| 4 | 19 | 17 | 5 | 6 | 0.5 | 3.5 | 4×120° | 1.75 | 8.2 | DU-19-A0.5 |
| 1 | DU-19-A1 | |||||||||
| 22 | 19.2 | 5 | 7 | 0.5 | 3.5 | 4×120° | 2.5 | 9.5 | DU-22-A0.5 | |
| 1 | 4.6×90° | DU-22-A1 | ||||||||
| 24 | 21.2 | 5 | 7 | 0.5 | 3.5 | 4×120° | 2.5 | 9.5 | DU-24-A0.5 | |
| 1 | 4.6×90° | DU-24-A1 | ||||||||
| 26 | 23.2 | 5 | 7 | 0.5 | 3.5 | 4×120° | 2.5 | 9.5 | DU-26-A0.5 | |
| 1 | 4.6×90° | DU-26-A1 | ||||||||
| 28 | 24 | 5 | 7 | 0.5 | 3.5 | 4×120° | 2.5 | 9.5 | DU-28-A0.5 | |
| 1 | 4.6×90° | DU-28-A1 | ||||||||
| 30 | 25.7 | 5 | 7 | 0.5 | 3.5 | 4×120° | 2.5 | 9.5 | DU-30-A0.5 | |
| 1 | 4.6×90° | DU-30-A1 | ||||||||
Components of product name
If you would like to know more about the meaning of the product name codes, please see the configuration of part numbers.
| No | Item | Symbol | Meaning |
| ① | Outer race material symbol | D | Polyacetal resin |
| ② | Outer race shape symbol | R | Flat |
| ③ | Retainer or full ball type | Omitted | Retainer (Polypropylene) |
| S | Full ball (Without retainer) | ||
| ④ | Outer race outer diameter | – | (Numerical D dimension shown in drawing) |
| ⑤ | Ball material symbol | Omitted | Carbon steel ball |
| ⑥ | Inner race shape symbol | A | Riveting shaft |
| ⑦ | Inner race material symbol | Omitted | Carbon steel (Plating, Black oxide treatment) |
| ⑧ | Bore and clearance dimension for mounting | – | (Numerical D dimension shown in drawing) |
| W | W Inner race width (Wide type) & C/C1 dimension | ||
| ⑨ | Additional information | MC | Plating *Including omitted |
*All products are basically made to order, but some items may be in stock. Please contact your distributor or dealer for availability.
