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 4061 stainless steel

RfN 4061 stainless steel

Ideal stress distribution and maximum corrosion resistance

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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 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 7061 stainless steel

RfN 7061 stainless steel

Compact locking assembly made of stainless steel, self-centring.

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RfN 7110 stainless steel

RfN 7110 stainless steel

Compact, self-centring locking assembly with no axial displacement. The external clamping screws and low contact pressure result in a space-saving hub design.

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RfN 8006 stainless steel

RfN 8006 stainless steel

RINGFEDER RfN 8006 locking elements can be used to establish compact, screwless, and wear-free shaft-hub connections

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RfN 4051

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 4181

RfN 4181

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

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RfN 7070

RfN 7070

Miniature version with internal lock nut.

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RfN 7075

RfN 7075

Version with external lock nut.

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RfN 7080

RfN 7080

Miniature version with external lock nut.

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RfN 7085

RfN 7085

Quick locking assembly with counter nut and lock nut.

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RfN 7090-SST

RfN 7090-SST

Version with external stainless steel lock nut.

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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 7003

RfN 7003

Short 2-piece version, self-centring.

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