Claw couplings / Hub clamping / Claw disc: PU / Body: aluminium, steel / EK2 / R+W ANTRIEBSELEMENTE (Part Numbers)
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· Two concentrically machined hubs with curved jaws and one clamping screw on each side
Material
· Hubs:
up to 450 series – high-strength aluminum
from series 800 – steel
· Elastomer insert: wear-resistant thermally stable TPU
Temperature range
· Depending on elastomer insert
Features
· Easy mounting
· High concentricity
· Vibration damping
Part Number
Once your search is narrowed to one product,
the corresponding part number is displayed here.
EK2/20/A/[8-25/1]/[8-25/1]
- Product data
- CAD data not available
EK2 with Clamping Hub 6 - 2,150 Nm
Product Properties
Features
• highly concentric assembly
• vibration damping
Material
aluminum; size 800 steel
• Elastomer: wear resistant thermally stable TPU
Design
Drawing
Specification
| Size | 20 | 60 | 150 | 300 | 450 | 800 | ||||||||||||||
| Type (Elastomer insert) | A | B | C | A | B | C | A | B | C | A | B | C | A | B | C | A | B | C | ||
| Rated torque | (Nm) | TKN | 17 | 21 | 6 | 60 | 75 | 20 | 160 | 200 | 42 | 325 | 405 | 84 | 530 | 660 | 95 | 950 | 1100 | 240 |
| Max. torque* | (Nm) | TKmax | 34 | 42 | 12 | 120 | 150 | 35 | 320 | 400 | 85 | 650 | 810 | 170 | 1060 | 1350 | 190 | 1900 | 2150 | 400 |
| Overall length | (mm) | A | 66 | 78 | 90 | 114 | 126 | 162 | ||||||||||||
| Outside diameter | (mm) | B | 42 | 56 | 66.5 | 82 | 102 | 136.5 | ||||||||||||
| Outside diameter with screw head | (mm) | BS | 44.5 | 57 | 68 | 85 | 105 | 139 | ||||||||||||
| Mounting length | (mm) | C | 25 | 30 | 35 | 45 | 50 | 65 | ||||||||||||
| Inside diameter range H7 | (mm) | D1/2 | 8 - 25 | 12 - 32 | 19 - 36 | 20 - 45 | 28 - 60 | 35 - 80 | ||||||||||||
| Inside diameter of elastomer | (mm) | DE | 19.2 | 26.2 | 29.2 | 36.2 | 46.2 | 60.5 | ||||||||||||
| Clamping screw (ISO 4762) | E | M5 | M6 | M8 | M10 | M12 | M16 | |||||||||||||
| Tightening torque of the clamping screw | (Nm) | 8 | 15 | 35 | 70 | 120 | 290 | |||||||||||||
| Distance between centers | (mm) | F | 15.5 | 21 | 24 | 29 | 38 | 50.5 | ||||||||||||
| Distance | (mm) | G | 8.5 | 10 | 12 | 15 | 17.5 | 23 | ||||||||||||
| Hub length | (mm) | H | 39 | 46 | 52.5 | 66 | 73 | 93.5 | ||||||||||||
| Moment of inertia per hub | (10-3 kgm2) | J1/J2 | 0.016 | 0.05 | 0.13 | 0.4 | 0.9 | 9.5 | ||||||||||||
| Approx. weight | (kg) | 0.15 | 0.35 | 0.6 | 1.1 | 1.7 | 10 | |||||||||||||
| Speed standard | (min-1) | 12,500 | 11,000 | 10,000 | 9,000 | 8,000 | 4,000 | |||||||||||||
| Speed balanced | (103min-1) | 45 | 60 | 35 | 31 | 31 | 25 | 22 | 26 | 18 | 22 | 26 | 16 | 16 | 17 | 12 | 13 | 13 | 8 | |
| Size | Ø 8 | Ø 16 | Ø 19 | Ø 25 | Ø 30 | Ø 32 | Ø 35 | Ø 45 | Ø 50 | Ø 55 | Ø 60 | Ø 65 | Ø 70 | Ø 75 | Ø 80 |
| 20 | 20 | 35 | 45 | 60 | |||||||||||
| 60 | 50 | 80 | 100 | 110 | 120 | ||||||||||
| 150 | 120 | 160 | 180 | 200 | 220 | ||||||||||
| 300 | 200 | 230 | 300 | 350 | 380 | 420 | |||||||||
| 450 | 420 | 480 | 510 | 600 | 660 | 750 | 850 | ||||||||
| 800 | 700 | 750 | 800 | 835 | 865 | 900 | 925 | 950 | 1,000 |
Part Number
|
|---|
| EK2/20/A/[8-25/1]/[8-25/1] |
| Part Number | Minimum order quantity | Volume Discount | Allowable Torque Range (N•m) | Shaft Bore Dia. (machined) D1 (mm) | Shaft Bore Dia. (machined) D2 (mm) | Outer Dia. A (mm) | Overall Length W (mm) | Body Material | Allowable Torque (Nm) | Max. Rotational Speed (r/min) | Buffer Part Material | Moment of Inertia (kg･m2) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 13 Days | 10.01 to 20.00 | 8 ～ 25 | 8 ～ 25 | 42 | 66 | Aluminum | 34 | 12500 | Polyurethane | 0.000016 |
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Basic information
| Type | Jaw Type |
|---|
Configure
Basic Attributes
-
Shaft Bore Dia. (machined) D1(mm)
-
Shaft Bore Dia. (machined) D2(mm)
-
Outer Dia. A(mm)
-
Overall Length W(mm)
-
Body Material
-
Allowable Torque(Nm)
-
Max. Rotational Speed(r/min)
-
Buffer Part Material
- Polyurethane
-
Type
- EK1
- EK2
-
Allowable Torque Range(N•m)
Filter by standard shipping days
-
- All
- 13 Days or Less
Optional Attributes
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
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