Safety coupling I Series SKY – EK for direct drives

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• with elastomer attachment • for direct drives • with conical clamping hub • for small shaft diameters • elastomer coupling with lateral clamping hub • plug in, backlash free, flexible, robust, oscillation dampening

 

Material:
safety part: heat treated steel
hub: high tensile aluminium (Size 2000: tempered steel
elastomer spider: polyurethane – 98 Shore-A
temperature range: -30°C up to +90°C

 

Technical data:

SKY-EK
size
static disengage
ment torque
TKA[Nm]
moment
of inertia
[10⁻³kgm²]
mass
approx.
[kg]
torsional
stiffness
[Nm/arcmin]
max. shaft
displacement [mm]
± axial | lateral
tightening torque
of screws
„f“ [Nm] / „i“ [Nm]
ø D1
min / max
ø D2
min / max
6
12
2 - 6
6 - 12
0,110,40,25± 0,5 | 0,1M5 - 8 / M3 - [1,5]8 / 20
8 / 20
5 / 11,5
5 / 11,5
15
30
45
8 - 15
13 - 30
22 - 45
0,450,91,0± 0,5 | 0,1M6 - 14 / M4 - [3]12 / 32
12 / 32
14 / 32
9 / 17
9 / 17
10 / 17
60
100
150
25 - 60
40 - 100
60 - 150
1,351,71,2± 1 | 0,1M8 - 35 / M6 - [12]16 / 38
19 / 38
22 / 38
12 / 24
12 / 24
14 / 24
230
330
80 - 230
130 - 330
5,13,73,6± 1 | 0,12*M12 - 115(90) / M6 -[12]20 / 35 (42)
24 / 35 (42)
18 / 35
22 / 35
500
800
200 - 500
350 - 800
14,57,08,0± 1 | 0,15*M14 - 180(140) / M8 - [30]30 / 60 (70)
40 / 60 (70)
28 / 44
30 / 44
1000500 - 10005816,012± 1 | 0,1*M14 - 180(140) / M12 - [90]42 / 60 (70)40 / 65
2000800 - 20009022,621± 1 | 0,15M16 - 290 / M12 - [90]50 / 9040 / 65

sizes 6 – 45: i = ISO 4762   *note: reduced tightening torque for bigger hub bore diameter – see also Ø D 1max!

Dimensions [mm]: length dimensions according to DIN ISO 2768 cH

SKY - EKØaØbØcgh1h2k*L±1Ømst1t2w
6/1252,5404813833375190,9171513,8
15/30/45695566201043991,5271,2211818,5
60/100/150887083251244510736,21,626,52422,4
230/330115851092914454131,5501,8312724
500/80013712013244185,371164622,5383234
100018112018544187,572194,5983,7384564,5
200018116018555,5217,584206,5983,7424564,5

* Note: – other shore-hardness of elastomer spider are possible on request – coupling side with conical hub see series SKY – ES

Ordering example: SKY – EK 60 – D1 = Ø 32 G7 – D2 = Ø 22 H7 – TKA = 55 Nm