Tollok Mechanical Locking Bushes

Tollok Mechanical Locking Bushes

Tollok S.p.A are a leading manufacturer of locking bushes with plants in Italy and the USA. They joined the Rexnord Group in 2015. Their wide range allows these friction connections to replace key ways in all industrial machinery.

TLK110 COMPACT LOCKING BUSHES

• Shafts 6 to 130mm
• Thin wall construction suits hubs with
• small diameters, interchangeable with some ETP products.
• Medium torques
• Self-centering
• No axial hub movement during mounting
• Very low surface pressures

• Shafts 20 to 180mm
• General purpose designs, TLK131 prevents axial hub movement during mounting Medium to high torques        
• Self-centering
• Low to medium surface pressures
• Economic

• Shafts 20 to 900mm
• General purpose bushes to industry standard
• dimensions accepting wide tolerances
• Medium to high torques
• Not self-centering (use a guide)
• Medium to high surface pressures
• No axial hub movement during mounting
• Readily available
• Concentricity depends on guide

TLK350 EASY MOUNTING LOCKING ASSEMBLIES

• Shafts 6 to 50mm
• Economical bushes with few screws to
• make mounting easy
• Medium to high torques
• Self-centering
• Small hub movement during mounting
• Very low surface pressures
• Good concentricity 0.02 - 0.04 TIR

• Shafts 25 to 400mm
• High torque transmission with the capacity to
• accept bending moments from rolls.
• Very high torques
• Self-centering
• TLK400 has no hub movement during
• mounting, TLK450 has small movement but
• 7% more transmittable torque.
• Low surface pressures
• Good concentricity 0.02 - 0.04mm TIR.

Locking bushes that are variants on the popular 130/131 series.  Suits shafts from 14 to 200mm, medium torques, economic prices

TLK250 LOW COST BUSHES

Simple low torque locking bushes that are fixed by a ring nut around the shaft, sizes 14 to 70mm.

TLK300 LOCKING RINGS

Taper rings in pairs suiting integration to machine designs where the axial force is applied externally, shafts 6 to 540mm.