Claw couplings / Hub clamping / Claw disc: PU / Body: aluminium, steel / EKL / R+W ANTRIEBSELEMENTE (Part Numbers)

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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
· Short overall length
· Easy mounting
· Vibration damping

Part Number

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Product specification
Part Numbers
Catalog

EKL Compact Version with Clamping Hub 0.5 - 2,150 Nm

Product Properties

Features

• short overall length
• easy mounting
• 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			2			5			10			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	A	B	C	A	B	C	A	B	C
Rated torque	(Nm)	T_KN	2	2.4	0.5	9	12	2	12.5	16	4	17	21	6	60	75	20	160	200	42	325	405	84	530	660	95	950	1100	240
Max. torque*	(Nm)	T_Kmax	4	4.8	1	18	24	4	25	32	6	34	42	12	120	150	35	320	400	85	650	810	170	1060	1350	190	1900	2150	400
Overall length	(mm)	A	20			26			32			50			58			62			86			94			123
Outside diameter	(mm)	B	16			25			32			42			56			66.5			82			102			136.5
Outside diameter with screw head	(mm)	B_S	17			25			32			44.5			57			68			85			105			139
Mounting length	(mm)	C	6			8			10.3			17			20			21			31			34			46
Inside diameter range H7	(mm)	D_1/2	3 - 8			4 - 12.7			4 - 16			8 - 25			12 - 32			19 - 36			20 - 45			28 - 60			35 - 80
Inside diameter of elastomer	(mm)	D_E	6.2			10.2			14.2			19.2			26.2			29.2			36.2			46.2			60.5
Clamping screw (ISO 4762)		E	M2			M3			M4			M5			M6			M8			M10			M12			M16
Tightening torque of the clamping screw	(Nm)		0.6			2			4			8			15			35			70			120			290
Distance between centers	(mm)	F	5.5			8			10.5			15.5			21			24			29			38			50.5
Distance	(mm)	G	3			4			5			8.5			10			11			15			17.5			23
Hub length	(mm)	H	12			16.7			20.7			31			36			39			52			57			74
Moment of inertia per hub	(10^-3 kgm²)	J₁/J₂	0.0003			0.002			0.003			0.01			0.04			0.08			0.3			0.66			8
Approx. weight	(kg)		0.008			0.02			0.05			0.12			0.3			0.5			0.9			1.5			8.5
Speed standard	(min^-1)		15,000			15,000			13,000			12,500			11,000			10,000			9,000			8,000			4,000
Speed balanced	(10³min^-1)		60	67	45	57	65	43	53	63	40	45	60	35	31	31	25	22	26	18	22	26	16	16	17	12	13	13	8

* Maximum transmittable torque of the clamping hub depends on the bore diameter

Size	Ø 3	Ø 4	Ø 5	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
2	0.2	0.8	1.5	2.5
5		1.5	2	8
10			4	12	32
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

Higher torque possible with keyways.

Data to be displayed: 30; 45; 60

Part Number
EKL/10/A/[4-16/1]/[4-16/1]
EKL/20/A/[8-25/1]/[8-25/1]

Part Number	Minimum order quantity	Volume 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)	Moment of Inertia (kg･m²)
	1		13 Days	10.01 to 20.00	4 ～ 16	4 ～ 16	32	32	Aluminum	4	13000	0.000003
	1		13 Days	10.01 to 20.00	8 ～ 25	8 ～ 25	42	50	Aluminum	8	12500	0.00001

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Basic information

Type	Jaw Type	Buffer Part Material	Polyurethane

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Basic Attributes

Shaft Bore Dia. (machined) D1(mm)
[4-25/1mm Unit(s)]
Clear
Shaft Bore Dia. (machined) D2(mm)
[4-25/1mm Unit(s)]
Clear
Outer Dia. A(mm)
16

25

32

42

56

66.5

82

102

136.5
Clear
Overall Length W(mm)
20

26

32

50

58

62

86

94

123
Clear
Body Material
Steel

Aluminum
Clear
Allowable Torque(Nm)
0.6

2

4

8

15

35

70

120

290
Clear
Max. Rotational Speed(r/min)
4000

8000

9000

10000

11000

12500

13000

15000
Clear
Type
- EKL
Clear
Allowable Torque Range(N•m)
1.01 to 3.00

5.01 to 10.00

10.01 to 20.00

50.01 to 100.00

100 to Less Than 500

500 to Less Than 1,000
Clear