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Four-jaw lathe chuck steel with recessed mount, DIN 702-4, External ⌀ A: 250mm
Article no.: 312505 250
Article code:
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Recessed mount to DIN 702-4 (fastening screw from rear).
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Product details
Technical Data
| Standard | DIN 702-4 | |
| Material | Steel | |
| External ⌀ A | 250 mm | |
| Aperture E | 76 mm | |
| Height without jaws H1 | 82 mm | |
| Height with jaws H2 | 122 mm | |
| Centring ⌀ B | 200 mm | |
| Centring depth C | 5 mm | |
| Chuck key square K | 12 mm | |
| Weight | 26,8 kg | |
| maximum speed | 3.000 min-1 | |
| Colour code for accessories | Röhm geared scroll chucks and jaws | |
| Type of product | Gear scroll chucks |
Identification numbers & Classifications
| Article number | 312505 250 | |
| EAN / GTIN | 4019208526744 | |
| Manufacturer number | 185328 |
Description
Version:
- Gear scroll drop-forged, balanced, and hardened.
- Flanks of scroll and of jaw serrations are ground.
- Weight-reduced body of steel.
- High concentricity.
Drop-forged, resulting in a long working life and suitability for high speed machines.
Application:
For machine spindles with recessed centring mount or for mounting using a flange.
Standard:
DIN 702-4.
Material:
Steel
Supplied with:
1 set = 4 hardened inside jaws, stepped on the outside.
1 set = 4 hardened outside jaws, stepped on the inside.
1 clamping wrench and fastening screws or studs depending on the chuck.
1 set = 4 hardened outside jaws, stepped on the inside.
1 clamping wrench and fastening screws or studs depending on the chuck.
Optional extras:
Note:
DIN 702-4 satisfies the old standard DIN 6350-1.
Downloads & documents
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|
| External ⌀ A | 250 mm | 250 mm | 250 mm |
| Aperture E | 76 mm | 76 mm | 76 mm |
| Weight | 26,8 kg | 29 kg | 29 kg |
| Material | Steel | Cast iron | Steel |
| maximum speed | 3.000 min-1 | 2.500 min-1 | 3.500 min-1 |
| Standard | DIN 702-4 | DIN 702-4 | DIN 702-4 |
| Centring ⌀ B | 200 mm | 200 mm | 200 mm |