Nexen 976570-768 is a clamp coupling mechanical torque limiter with a stainless steel bellows coupling and keyless clamp collars on both sides. It features an open housing, backlash-free design, and fully disengages on overload until manually reengaged. Input and output bores are 1.938 in with no keyways. Initial torque setting is 768 Nm, max speed 5700 RPM, and torsional rigidity 780000 Nm/Rad. Materials include bare aluminum and black oxide corrosion resistant per DIN 50021.

Backlash

0 ArcSec

Bore details

Straight, No Keyways

Bore style

Two Bores with Clamp Collars and no Keyways

CE certified

CE

Coupling type

Stainless Steel Bellows

Finish

Black oxide

Initial torque setting

768 Nm

Input bore diameter

1.938 in

Input shaft securement

Clamp collar

Materials of construction

Bare Aluminum And Black Oxide Corrosion Resistant Per DIN 50021 Salt 140 Hours

Max ambient temperature (C)

120

Max angular misalignment

2.5

Max disengagement torque

800 Nm

Max intermittent ambient temperature (C)

150

Max lateral misalignment

0.35 mm

Max Speed

5700 RPM

Min ambient temperature (C)

-30

Min disengagement torque

450 Nm

Number of engagement positions

6, @ 60

Open or enclosed design

Open

Output bore diameter

1.938 in

Output configuration

Coupling

Output shaft securement

Clamp collar

RoHS compliant

RoHS

Shaft inertia

200.00 kgcm

Torsional rigidity

780000 Nm/Rad