DF-A series

DF-A type
Please refer to the catalog for detailed dimensional information.
Model | Boundary dimensions [mm] | |||||||||
D | D1 | d1 | B | B1 | C | L | d2×θ | Da | Part No. | |
3 | 17 | 19 | 5 | 6 | 1 | 0.5 | 3.5 | 4×120° | 8.2 | DF-17-A0.5 |
1 | DF-17-A1 | |||||||||
19 | 22 | 5 | 7 | 1.5 | 0.5 | 3.5 | 4×120° | 9.5 | DF-19-A0.5 | |
1 | 4.6×90° | DF-19-A1 | ||||||||
22 | 26 | 5 | 11 | 2 | 1 | 3.5 | 4.6×90° | 9.5 | DF-21-A1 | |
30 | 34 | 6 | 8.5 | 3 | 1 | 3.5 | 5.5×120° | 14.5 | DF-21-A1 |
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 | F | One-sided flange |
③ | Retainer or full ball type | Omitted | Retainer (Polypropylene) |
④ | Outer race outer diameter | – | (Numerical ΦD 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) |
⑧ | Bore and clearance dimension for mounting | – | (Numerical Φd/C dimension shown in drawing) |
*All products are basically made to order, but some items may be in stock. Please contact your distributor or dealer for availability.
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