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Claw couplings / Hub clamping / Claw disc: PU / Body: aluminium, steel / EK2 / R+W ANTRIEBSELEMENTE

Claw couplings / Hub clamping / Claw disc: PU / Body: aluminium, steel / EK2 / R+W ANTRIEBSELEMENTE

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R+W

R+W

Design
· 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

Data sheet

Part Number

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the corresponding part number is displayed here.

EK2 with Clamping Hub 6 - 2,150 Nm

Product Properties

Features

• easy mounting
• highly concentric assembly
• vibration damping

Material

• Hubs: up to size 450 high strength
  aluminum; size 800 steel
• Elastomer: wear resistant thermally stable TPU

Design

Two concentrically machined hubs with curved jaws and clamping screws.

Drawing

Specification

Size 2060150300450800
Type (Elastomer insert) ABCABCABCABCABCABC
Rated torque(Nm)TKN172166075201602004232540584530660959501100240
Max. torque*(Nm)TKmax34421212015035320400856508101701060135019019002150400
Overall length(mm)A667890114126162
Outside diameter(mm)B425666.582102136.5
Outside diameter with screw head(mm)BS44.5576885105139
Mounting length(mm)C253035455065
Inside diameter range H7(mm)D1/28 - 2512 - 3219 - 3620 - 4528 - 6035 - 80
Inside diameter of elastomer(mm)DE19.226.229.236.246.260.5
Clamping screw (ISO 4762)EM5M6M8M10M12M16
Tightening torque of the clamping screw(Nm)8153570120290
Distance between centers(mm)F15.52124293850.5
Distance(mm)G8.510121517.523
Hub length(mm)H394652.5667393.5
Moment of inertia per hub(10-3 kgm2)J1/J20.0160.050.130.40.99.5
Approx. weight(kg) 0.150.350.61.11.710
Speed standard(min-1) 12,50011,00010,0009,0008,0004,000
Speed balanced(103min-1) 45603531312522261822261616171213138
* Maximum transmittable torque of the clamping hub depends on the bore diameter
 
SizeØ 8Ø 16Ø 19Ø 25Ø 30Ø 32Ø 35Ø 45Ø 50Ø 55Ø 60Ø 65Ø 70Ø 75Ø 80
2020354560           
60 5080100110120         
150  120160180200220        
300  200230300350380420       
450    420480510600660750850    
800      7007508008358659009259501,000
Higher torque possible with keyways
Data to be displayed
30
45
60
  1. 1
Part Number
EK2/450/A/[28-60/1]/[28-60/1]
EK2/800/A/[35-80/1]/[35-80/1]
Part Number
Standard Unit Price
Minimum order quantityVolume Discount
Standard
Shipping Days
?
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 500 to Less Than 1,00028 ～ 6028 ～ 60102126Aluminum10608000Polyurethane0.0009

-

1 13 Days 500 to Less Than 1,00035 ～ 8035 ～ 80136.5162Steel19004000Polyurethane0.00095

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  1. 1
 

Basic information

Type Jaw Type

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Basic Attributes

  • Shaft Bore Dia. (machined) D1(mm)

     [28-80/1mm Unit(s)]

    Clear

  • Shaft Bore Dia. (machined) D2(mm)

     [28-80/1mm Unit(s)]

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  • Outer Dia. A(mm)

    • 42
    • 56
    • 66.5
    • 82
    • 102
    • 136.5

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  • Overall Length W(mm)

    • 66
    • 78
    • 90
    • 114
    • 126
    • 162

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  • Body Material

    • Steel
    • Aluminum

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  • Allowable Torque(Nm)

    • 34
    • 120
    • 320
    • 650
    • 1060
    • 1900

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  • Max. Rotational Speed(r/min)

    • 4000
    • 8000
    • 9000
    • 10000
    • 11000
    • 12500

    Clear

  • Buffer Part Material

    • Polyurethane

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  • Type

    • EK1
    • EK2

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  • Allowable Torque Range(N•m)

    • 10.01 to 20.00
    • 50.01 to 100.00
    • 100 to Less Than 500
    • 500 to Less Than 1,000

    Clear

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    • 13 Days or Less

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