ECHT-FLEX Coupling   NEF Series 【 RoHS Compliant Product 】

  • The Single Type has one disk set, which is designed to absorb only angular eccentricity.
  • The Spacer Type consists of two disc sets that can absorb all forms of misalignment.
  • The Long Spacer Type acts as a floating shaft. It allows the use of various clamping methods to meet various needs, such as keyways, Power-Locks, and clamps.

Model No. Designation

NEF 25 W - NH70ED2 V X KH120JD2 - J 1000

Series

Size




Left hub type symbol




Right hub type symbol




Distance J
Type
W: Spacer type
S: Single hub
Standing type
Indicates bore diameter at ground(bottom) side in upright long spacer type.
Long spacer
J: Long spacer
JS: Long Spacer (standard length)
JT: Single Disk Spacer
Refer to the catalog for details on the Long Spacer Type.
Details of hub type symbol
Hub style Shaft bore tolerance Shaft Bore Diameter Keyway tolerance Set screw positioning
N H 70 E D2
K H 120 J D2
N: Standard Hubs
K: Extended Dia. Hub
L: Long Hub
B: Square hub
H: Taper Lock hub
F:F7
G:G7
H:H7
J:JS7
P:P7
M:M7
N:N7
K:K7
R:R7
Shaft bore diameters are in 1mm units. J:New JIS Js9( Standard )
P:New JIS P9
F:Old JIS F7
E:Old JIS E9

[ Click to enlarge ]

Model No. Navigation

Package Left hub Right hub
Size ・ Allowable Torque
Type   
Environmentally resistant      
Shaft Bore Diameter
Shaft clamping type
Kind of hub
Shaft bore tolerance
Keyway tolerance
Set screw positioning
Spacer type, length

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