Locking assemblies and shrink discs

The non-positive shaft-to-hub connection. A zero backlash, frictional connection for hub bodies and hollow shafts.

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Locking elements

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Locking assemblies

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Locking assemblies for bending moments

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Quick locking assemblies

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Shrink discs

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Rust-proof clamping connections

Our quality brands

RfN 4051

Lightweight 3-piece version for medium torques. The slim design makes it ideal for thin hubs and hollow shafts.

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RfN 4061

RfN 4061

Standard 3-piece version for high torques. Universal applications.

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RfN 4071

RfN 4071

Large 3-piece version for very high torques. Larger version of the RfN 4061.

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RfN 4073

RfN 4073

Small 3-piece version for low torques. Very low inertia due to the lightweight design.

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RfN 4091

RfN 4091

Heavy-duty 3-piece version for maximum torques. Highly robust for extreme loads.

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RfN 4161

RfN 4161

Standard 2-piece version for high torques. Wide range of applications.

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RfN 7012 for bending moments

RfN 7012 for bending moments

Extremely slim versions for universal applications.

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RfN 7012.2 for bending moments

RfN 7012.2 for bending moments

Identical to the RfN 7012, but optimised for extreme loads.

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RfN 7015.0 for bending moments

RfN 7015.0 for bending moments

Transmits high combined forces and moments. Very good centring capability.

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RfN 7015.1 for bending moments

RfN 7015.1 for bending moments

Transmits high combined forces and moments. Very good centring capability.

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RfN 7515 for bending moments

RfN 7515 for bending moments

Ideal for maximum torques, axial forces and radial forces; self-centring.

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RfN 8006 slit locking element

RfN 8006 slit locking element

Slit version

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RfN 8006 solid locking element

RfN 8006 solid locking element

Standard solid version

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RfN 4181

RfN 4181

Large 2-piece version for very high torques. Larger version of the RfN 4161.

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RfN 7003

RfN 7003

Short 2-piece version, self-centring.

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RfN 7004

RfN 7004

The RfN 7004 locking assembly is an extended version of the tried-and-tested RfN 7003 series.

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RfN 7005

RfN 7005

Long 3-piece version for high torques, self-centring.

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RfN 4061 stainless steel

RfN 4061 stainless steel

Ideal stress distribution and maximum corrosion resistance

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RfN 7006

RfN 7006

The series 7003 locking assembly has an impressive range of features.

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RfN 7007

RfN 7007

The RfN 7007 locking assembly is a variant of the tried-and-tested RfN 7004 and inherits all the positive features of this model.

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RfN 4161 stainless steel

RfN 4161 stainless steel

2-piece shrink disc made of stainless steel.

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RfN 7012 stainless steel

RfN 7012 stainless steel

Narrow locking assembly made of stainless steel.

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RfN 7012

RfN 7012

Ultra-narrow 4-piece version. Due to the clamping cones, there is no axial displacement. Self-releasing.

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RfN 7013.1 stainless steel

RfN 7013.1 stainless steel

Locking assembly with excellent radial run-out and a stainless steel flange, self-centring.

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RfN 7012.2

RfN 7012.2

Identical to the RfN 7012, but suitable for high bending moments thanks to the optimised screws.

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