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Overmolded bearings

Optimize your applications with plastic

For a join to be durable, it must be perfect. For each application, the ideal synthetic material as well as an optimised design of the ball bearing overmolded by JESA facilitates a long life, high allowable loads, low wear and quiet operation. These benefits come from more than 40 years experience in the combination of ball bearings and plastic. The JESA engineering team analyses each application from A to Z in order to develop and manufacture a custom product that perfectly matches the specifications. With JESA's ease in the field of implementing plastics, special technical polymers, the precise profiles and complex shapes are the JESA capabilities serving the innovative industry.

A few examples

 Overmolded Track Roller

OVERMOLDED TRACK ROLLER

Application
Cam roller for bottle filling machine

Advantages
•    Clean solution
•    Low friction bearings
•    Seal optimisation

 Overmolded Track Roller

OVERMOLDED TRACK ROLLER

Application
Cam roller for bottle filling machine

Advantages
•    Low wear design
•    Resistance against chemicals
•    Long lifetime

 Connecting Rod

CONNECTING ROD

Application
Surge pump

Advantages
•    Low weight of the unit
•    Integrated solution
•    Cost effective

 Overmolded Track Roller

OVERMOLDED TRACK ROLLER

Application
Door sliding system

Advantages
•    Low noise level
•    Satisfies fire regulations
•    Long lifetime

 Profiled Track Rollers

PROFILED TRACK ROLLERS

Application
Linear guidance systems

Advantages
•    High load
•    Bespoke design
•    Long life

 Overmolded Track Roller

OVERMOLDED TRACK ROLLER

Application
Door sliding system

Advantages
•    Low noise level
•    Long lifetime
•    Economic solution

Proposed technologies
  • Numerical simulation of injection (Moldflow)
  • Stress calculations (Ansys)
  • Recovery of precision after injection
  • Technologies for adhesion of plastic to patented metal
  • Over-and under-molding (on inner or outer diameter) multiple simultaneous inserts
  • Tridimensional metrology
  • Dedicated test benches
  • Using the material's shrinkage in the attachment techniques
Overview of the main materials used

Most of these materials can be improved and modified using carbon fibres, glass and PTFE additives (Teflon) and their colour can usually be chosen.

- PE - Polyéthylène - PA - Polyamide (PA 6 – 66 – 46 – 11)
- POM - Polyoxyméthylène
- PPE - Polyphénylène éther
- ABS - Acrylonitrile butadiène styrène
- PET - Polyéthylène téréphtalate
- PBT - Polybutylène téréphtalate
- PEEK - Polyéther éther cetone
- PPA - Polyphtalamide
- PEI - Polyétherimide
- PVDF - Fluorure de polyvinylidène
- TPE - Elastomères thermoplastiques
- TPU - Polyuréthanes thermoplastiques

Benefits for you

+ Tailored solutions adapted to your application
+ Innovative products with Swiss quality
+ Professional project management
+ A flexible and modern logistics service
+ Simplification of your procurement system thanks to single supplier

Ball bearing units are used in these different markets


Do you have any questions?

Do not hesitate to contact us if you have any questions or comments. We look forward to hearing from you.

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