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Press on type Ball knobs |
DIN 319 |
| Type L with tolerance ring | Type M with tapered bore |
| d1 | d2 (Bore B) - t1 | d4 (Bore B) - t2 | d3 ~ | h | ||||
| Type L | Type L | Type L | Type M | Type M | ||||
| 16 | B 4 - 11 | B 4 - 9 | B 6 - 9 | 8 | 15 | |||
| 20 | B 5 - 13 | B 5 - 12 | 12 | 18 | ||||
| 25 | B 6 - 16 | B 8 - 15 | B 10 - 15 | B 6 - 15 | B 8 - 15 | 15 | 22,5 | |
| 32 | B 8 - 15 | B 10 - 20 | B 12 - 20 | B 8 - 15 | B 10 - 15 | 18 | 29 | |
| 40 | B 10 - 20 | B 12 - 23 | B 16 - 23 | B 10 - 20 | B 12 - 20 | 22 | 37 | |
| 50 | B 12 - 20 | B 16 - 23 | B 20 - 28 | B 12 - 22 | B 16 - 22 | 28 | 46 | |
| Specification | Information | How to order |
| Plastic (KU) Duroplast (Phenolic) black shiny finish
Tolerance ring (Type L) |
When ball knobs DIN 319 type L and M are used the shaft does not require a thread. The ball knobs are driven on to the shaft with light mallet blows to the ball knobs. The shaft end should have a radius or a chamfer. Type M ball knobs are a cheaper solution, however the pulling off force is less predictable. |
Ball knob DIN 319-KU-40-B10-L
Code No. 319 |
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