Ball-pad
No. 6440
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Screw jack with flat support
Centring hole Ø12 mm / M10.
Spindle: self-locking acme thread, with final stop. Tempered steel, burnished.
Body: tempered steel, painted.
| Order no. |
Size |
H min.
[mm] |
H max.
[mm] |
TR | D1 | D2 | M |
F max.
[kN] |
Weight
[g] |
CAD | EUR | SC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 72397 | 50 | 38 | 50 | 20 x 4 | 31 | 31 | - | 25 | 190 |
|
33,10 | |
| 72389 | 52 | 42 | 52 | 30 x 4 | 50 | 50 | M38 x 2 | 100 | 550 |
|
44,10 | |
| 72405 | 70 | 50 | 70 | 30 x 4 | 50 | 50 | M38 x 2 | 100 | 620 |
|
47,00 | |
| 72413 | 100 | 70 | 100 | 30 x 4 | 50 | 50 | M38 x 2 | 100 | 900 |
|
53,50 | |
| 72421 | 140 | 100 | 140 | 40 x 7 | 68 | 68 | - | 120 | 2760 |
|
95,00 | |
| 72439 | 210 | 140 | 210 | 50 x 8 | 80 | 70 | - | 170 | 4600 |
|
171,50 | |
| 72496 | 200 | 140 | 200 | 65 x10 | 100 | 80 | - | 350 | 6900 |
|
221,00 | |
| 72447 | 300 | 190 | 300 | 65 x10 | 100 | 80 | - | 350 | 9000 |
|
312,00 |
Application:
The sizes 52-100 are suitable for clamps with a slot width of approx. 14-22 mm. The screw jack no. 6430S represents a useful addition for large clamping heights. The sizes 140-300 are suitable for clamps with a slot width of approx. 20-40 mm. For these, the screw jacks no. 6435S represent a useful addition for large clamping heights. When using clamps DIN 6315B, 6315C and 6315GN from 26 mm slot width, we recommend, fixing cap no. 6443. The sizes 200-280 are intended for supporting large workpieces.
Note:
Size 50 without centring hole Ø 12 mm. Suitable attachments for screw jack sizes 52-280 are nos. 6440, 6441, 6442, 6443 and 6445. The suitable support for sizes 52-100 is no. 6442 or 6442G.
Do not adjust screw jack under load!
Advantage:
- Modular design of sizes 52, 70, 100 with spacer elements 6400Z possible
- Improved rust protection, burnished spindle