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  • R+W miniature bellows coupling MK6
  • R+W miniature bellows coupling MK6
R+W miniature bellows coupling MK6

With tapered expansion shaft and tapered press-in part

Specification: 0.5-10Nm

Can be installed axially

Suitable for small installation space

Solved the problem of shaft diameter/aperture mismatch



One side expansion mandrel with tapered clamping element

Tapered plug connection with clamping collar on one side and zero backlash

Temperature range: -30 to +120° C C

Clearance: shaft sleeve connection 0.01-0.05 mm

Service life: Operate in accordance with technical specifications, the miniature bellows coupling can be durable and maintenance-free


The bellows is made of highly elastic stainless steel

Clamping collar and fixing ring: Aluminum

Expansion bushings and tapered parts (steel)

technical parameter:

Rated torque: 0.5-10 Nm

The speed can reach 10,000 rpm.

> 10000 revolutions per minute, up to demand

Shaft diameter is 3-20 mm

The shaft head diameter can be provided according to customer requirements

Features of MK6 type miniature bellows coupling:

Zero backlash, torsional rigidity

With misalignment compensation function

Easy to install and remove

Electrically insulated and insulated


No wear

Small moment of inertia

SIZE 5 15 20 45 100
Rated torque 0.5 1.5 2 4.5 10
Overall length (inserted) 21/24/27
27/32 28/34/38 38/46 45/55
Fit length 12 14 16 20 21.5
Standard shaft 3-6.35 3-8 3-12.7 5-16 5-20
Moment of inertia 3.0/3.2/3.5 9.0/10 28/30/33 110/120 220/230
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