RINGSPANN 4200-125310-000000 shrink disc

RINGSPANN 4200-125310-000000 is a reference of shrink disc, within Power transmission. Request a quote for 4200-125310-000000 via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.

A shrink disc is a shaft-hub connection component that transmits torque through friction, without a keyway or backlash. It is mounted on the hub and, when its screws are tightened, compresses the hub against the shaft, creating a rigid, detachable connection. It is used in power transmission, gearboxes, machine tools and equipment where high precision and reliability are required. MR Accesorios Industriales sells the RINGSPANN line in Buenos Aires, Argentina.

The designation of RINGSPANN shrink discs is organized by series and numeric codes. In the RLK 603 series, examples such as 4200-014301-000000, 4200-016301-000000 and 4200-020301-000000 show a structure where the middle digits identify size and configuration. Other series may have similar structures. The numeric suffixes differentiate variants of diameter, number of screws or mounting type. To select the correct model, it is essential to cross-check the full code against the shaft and hub dimensions. MR Accesorios Industriales can assist you in interpreting each reference.

These discs are used in industries in Argentina such as metalworking, food, cement, mining and petrochemical. They are found in gearboxes, pumps, fans, conveyor belts, machine tools and process equipment. Their ability to transmit high torque without a keyway makes them ideal for plain shafts, where the goal is to avoid stress concentration or wear. They are also used in applications with reversing rotation or dynamic loads, where a friction-tightened connection offers advantages over traditional systems.

To select a shrink disc, you must consider the shaft diameter, the hub outer diameter, the torque to be transmitted and the environmental conditions. Mounting requires clean surfaces, lubrication of the screws as specified and progressive tightening in a cross pattern to prevent deformation. Alignment between shaft and hub must be careful; once tightened, the disc does not allow misalignment. Lubrication of the screws is key to achieving the correct tightening force. If in doubt, consult our technical team.

As for equivalences, RINGSPANN shrink discs can replace other shaft-hub connection systems from different brands, as long as the dimensions and torque capacity are respected. Direct interchangeability must not be assumed based on size alone; the geometry and tightening values must be verified. Each manufacturer defines its own tolerances and materials. Therefore, when looking for a replacement, it is essential to compare the technical specifications and consult a specialist.

If you need a RINGSPANN shrink disc, write to us on WhatsApp with the code or model you are looking for. At MR Accesorios Industriales we reply promptly and help you find the right solution for your application. We can also advise you if you have questions about selection or mounting.