WHY PLASTIC CAGES FROM ROS? 
THE ADVANTAGES

Today, cages made from polymers are used in standard bearings (e.g., deep-groove ball bearings of the 60 and 62 series), large bearings (e.g. for wind power), and high-performance bearings (e.g. spindle ball bearings).

Along with technical polymers, such as polyamide, high-performance polymers are also used. These materials are characterised by their robustness, excellent thermal resistance, and high resistance levels, especially against aggressive mediums.

Generally, compared to other materials, polymers offer advantages such as improved vibration and impact absorption properties, firstly by the polymer itself and, secondly, thanks to the improved construction cage design possibilities.

  • Reduced weight

  • Emergency running ability

  • No cage corrosion

  • Can be used at higher speeds

  • Optimal transient response of the bearing elements

  • Improved construction design possibilities

  • Longer service life than brass or sheet steel cages

  • Better impact absorption/vibration and noise reduction

High quality products

PRODUCT TYPES 

We develop and manufacture roller bearing cages for:

MATERIALS 

We develop and manufacture roller bearing cages from:

TAPERED ROLLER BEARINGS

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DEEP-GROOVE BEARINGS

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  • Polyamide (PA6.6 and PA4.6)

  • Polyphthalamide (PPA)

  • Polyetheretherketone (PEEK)

  • Polyvinylidenfluoride (PVDF)

  • Polyoxymethylene (POM)

  • Polyphenylene Sulphide (PPS)

  • Polyethylene/Polypropylene

  • Modifications:

    – Tribologically optimised
    – Fibre-reinforced
    – Thermal Resistance
    – Shock-resistant

FOUR-POINT CONTACT BEARINGS

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ANGULAR CONTACT BEARINGS

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ROLLER BEARING CAGES FOR:

  • Needle roller bearings

  • Self-aligning roller bearings

  • Spindle bearings

  • Angular contact roller bearings

OTHER PRODUCTS FOR THE ROLLER BEARING INDUSTRY:

  • Sleeves

  • Rings

  • Discs

  • TPE seals

  • Other rotationally symmetrical plastic components

PRODUCT SIZES

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AS SEGMENT SOLUTIONS

SECTORS 

  • Sport & Leisure

  • Foods

  • Aerospace

  • Automotive/E-Mobility

  • Rail

  • Electrical engineering

  • Mechanical engineering

  • Medical technology

  • Robotics

Customer-Specific Assembly

ROS – Quality “MADE IN GERMANY” 

To fulfil our customers’ expectations, we also offer the following assembly and additional services on request:

  • Assembly of rolling elements
  • Assembly of sealing rings
  • Assembly of various components
  • Component and material testing by external institutes (e.g., SKZ logo)

At your request, we manufacture prototypes of pre-production stage components. We apply a wide range of processes to meet the respective requirements.

  • For prototypes < 50 components:Machining production, 3D printing
  • For prototypes > 300 components + series production launch:
  • Cavity inserts
  • Existing basic form systems in various sizes
  • For samples ranging from Ø5 mm to 300 mm