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Locking Assemblies

Locking Assemblies for Mechanical Transmissions: Secure Fastening and High Precision

The Locking Assemblies for mechanical transmissions use a friction locking system that securely fastens components such as pulleys, gears, roller chain wheels, drums, and flywheels to the shaft, ensuring a secure attachment and the ability to withstand axial forces.

The friction coupling eliminates play and improves accuracy without requiring tight machining tolerances, while the simplicity of assembly and disassembly reduces downtime and maintenance costs.

There are various models of locking assemblies available suitable for a wide range of industrial applications, offering reliability and consistent performance over time.

Download the Locking Assemblies catalog   

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RCK 50 65X73 Heater - Pack of 3 pieces
ATTI • Code 011421 • CF 06500065P
RCK 50 65X73 Heater - Pack of 3 pieces
List price 17,45 € /pc.
Online 13,78 € /pc.
On Order
(Ship. 7-8 days)
Heater RCK 70 42X75
ATTI • Code 011460 • CF 06700042
Heater RCK 70 42X75
List price 17,96 € /pc.
Online 14,18 € /pc.
On Order
(Ship. 7-8 days)
RCK 70 50X80 heater
ATTI • Code 011463 • CF 06700050
RCK 70 50X80 heater
List price 19,73 € /pc.
Online 15,58 € /pc.
On Order
(Ship. 7-8 days)
RCK 70 120X165 Heater
ATTI • Code 011475 • CF 06700120
RCK 70 120X165 Heater
List price 90,42 € /pc.
Online 71,39 € /pc.
On Order
(Ship. 7-8 days)
RCK Heater 71 50X80
ATTI • Code 011499 • CF 06710050
RCK Heater 71 50X80
List price 21,37 € /pc.
Online 16,87 € /pc.
On Order
(Ship. 7-8 days)
RCK Heater 71 70X110
ATTI • Code 011503 • CF 06710070
RCK Heater 71 70X110
List price 43,44 € /pc.
Online 34,30 € /pc.
On Order
(Ship. 7-8 days)
Heater RCK 71 85X125
ATTI • Code 011506 • CF 06710085
Heater RCK 71 85X125
List price 53,56 € /pc.
Online 42,28 € /pc.
On Order
(Ship. 7-8 days)
Heater RCK 71 140X190
ATTI • Code 011513 • CF 06710140
Heater RCK 71 140X190
List price 139,36 € /pc.
Online 110,02 € /pc.
On Order
(Ship. 7-8 days)
RCK 71 150X200 heater
ATTI • Code 011514 • CF 06710150
RCK 71 150X200 heater
List price 151,63 € /pc.
Online 119,71 € /pc.
On Order
(Ship. 7-8 days)
RCK 80 19X27 Heater
ATTI • Code 037970 • CF 06800019
RCK 80 19X27 Heater
List price 11,19 € /pc.
Online 8,84 € /pc.
On Order
(Ship. 7-8 days)
RCK 15 18X55 heater
ATTI • Code 051933 • CF 06150018
RCK 15 18X55 heater
List price 9,86 € /pc.
Online 7,79 € /pc.
On Order
(Ship. 7-8 days)
RCK 13 55X85 Heater
ATTI • Code 051971 • CF 06130055
RCK 13 55X85 Heater
List price 16,69 € /pc.
Online 13,18 € /pc.
On Order
(Ship. 7-8 days)
RCK 13 65X95 heater
ATTI • Code 051973 • CF 06130065
RCK 13 65X95 heater
List price 20,80 € /pc.
Online 16,42 € /pc.
On Order
(Ship. 7-8 days)
RCK 13 85X125 heater
ATTI • Code 051977 • CF 06130085
RCK 13 85X125 heater
List price 36,30 € /pc.
Online 28,66 € /pc.
On Order
(Ship. 7-8 days)
RCK 13 110X155 Heater
ATTI • Code 051981 • CF 06130110
RCK 13 110X155 Heater
List price 54,07 € /pc.
Online 42,68 € /pc.
On Order
(Ship. 7-8 days)
Heater RCK 16 19X47
ATTI • Code 051990 • CF 06160019
Heater RCK 16 19X47
List price 7,90 € /pc.
Online 6,24 € /pc.
On Order
(Ship. 7-8 days)
RCK 16 Heater 160X210
ATTI • Code 052011 • CF 06160160
RCK 16 Heater 160X210
List price 128,36 € /pc.
Online 101,34 € /pc.
On Order
(Ship. 7-8 days)
Heater RCK 11 140X190
ATTI • Code 052041 • CF 06110140
Heater RCK 11 140X190
List price 217,27 € /pc.
Online 171,53 € /pc.
On Order
(Ship. 7-8 days)
Heater RCK 11 300X375
ATTI • Code 052052 • CF 06110300
Heater RCK 11 300X375
List price 1.147,22 € /pc.
Online 905,70 € /pc.
On Order
(Ship. 7-8 days)
RCK 55 25X35 Heater
ATTI • Code 052059 • CF 06550025
RCK 55 25X35 Heater
List price 9,17 € /pc.
Online 7,24 € /pc.
On Order
(Ship. 7-8 days)

Frequently asked questions

What is a locking assembly used for and how is it chosen?

The locking assembly is a friction locking element that allows a hub to be connected to a shaft without using a key, creating a detachable and play-free coupling.

To choose the correct locking assembly, it is necessary to verify:

  • Shaft diameter on which it is to be mounted.
  • Hub hole diameter in which it is inserted.
  • Torque to be transmitted, based on the application characteristics.

For example, in the code RCK 40 20×47, the value 20 indicates the shaft diameter in millimeters, while 47 indicates the outer diameter of the locking assembly.

On shop.atti.it, ATTI offers over 400 locking assemblies in the catalog.

Check the available products in the Locking Assemblies category.

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