Custom Special Bearings for Industrial Applications

Bearings for Textile Machinery

Manufacturers of rapier and air-jet looms, as well as machinery for hosiery and knitwear production, use several types of special bearings for textile machinery, including:

• P5 precision-class angular contact ball bearings
• Cylindrical roller bearings with polyamide cages or full-complement configurations
• Needle roller cam followers manufactured from case-hardening steel for increased impact resistance, or from 100Cr6 bearing steel
• Precision rings

Where lubrication conditions are not optimal, CPM applies specific surface treatments designed to reduce wear on the rolling contact surfaces and extend bearing service life.

Bearings for Robotics and Automation

For the robotics and industrial automation sectors, CPM develops high-stiffness components for axis motion systems and precision gearboxes, including:

• High-precision crossed roller bearings
• Four-point contact slewing bearings, with or without integrated gearing
• Large angular contact bearings for planetary gearboxes and harmonic drive systems
• Precision rings

Bearings for Earthmoving Machinery

CPM bearings for earthmoving machinery and related applications—including planetary gearboxes for winches, wheeled and tracked excavators, wind energy systems and axles—include:

• Needle roller bearings, available as full-complement cylindrical roller configurations or with cages
• Double-row angular contact ball bearings and tapered roller bearings, also used to support sun gears in planetary gearboxes
• Integrated wheel hub bearing kits consisting of a pair of inner rings, spacer cages and balls

Dedicated surface treatments can be applied to ensure extended service life, including under poor lubrication conditions.

Bearings for Universal Joints

For manufacturers of PTO shafts and universal joint crosses, CPM produces cylindrical roller bearings designed to withstand high radial loads.

These bearings are manufactured from case-hardening steel and can incorporate: 

• Zinc- or manganese-based anti-corrosion surface treatments
• Nitrile rubber or Viton seals

Bearings for Medical Equipment

For electromedical applications, particularly rotating-anode X-ray tubes, CPM manufactures bearings designed to operate under severe conditions, including:

• Angular contact ball bearings made from special steels, such as Rex 20 or M62, capable of withstanding high temperatures and high rotational speeds
• Special surface treatments applied to the balls to provide the lubrication required for operation under vacuum
• Finely lapped raceways with minimal geometric deviations to ensure exceptionally quiet operation

Bearings for Hydraulic Motors

For manufacturers of hydraulic pumps and motors, CPM designs special bearings that help reduce friction, withstand mechanical stress and extend the operating life of the application.

Available solutions include: 

• Special NU- and NUP-type cylindrical roller bearings
• NA- and RNA-type needle roller bearings

Bearings for the Bicycle Industry

For bicycle bottom brackets and high-end carbon fibre wheels, CPM offers two main bearing solutions:

Standard solution: 100Cr6 bearing steel with nitrile rubber seals

High-end solution: deep groove or angular contact bearings made from stainless steel, with silicon carbide balls, Viton seals and a low-friction plastic cage to ensure smooth operation and resistance to chemicals used during cleaning

Bearings for the Food and Beverage Industry

Bearings used in the food and beverage industry—including filling, wrapping, bottling and packaging machinery—may require:

• Special corrosion-resistant steels or dedicated deep groove and angular contact ball bearing configurations
• Specific polyurethane coatings and food-grade lubricants
• Integrated gearing and special sealing systems capable of withstanding frequent washdown cycles

Bearings for Agricultural Machinery

For agricultural applications, including wheel reduction drives, axles and gearboxes, CPM provides solutions such as:

• Full-complement roller bearings, often supplied without an outer ring because the raceway is integrated directly into the planet gear, enabling high radial load capacity within compact installation spaces
  Wear-resistant surface coatings 
• Tapered roller bearings used to support sun gears in planetary gearboxes
• Manganese-phosphated bushings for gearbox applications

Special Bearings for the Automotive Industry

For niche automotive applications and high-performance sports cars, CPM manufactures:

• High-precision rings for transmission systems
• Bushings for road-vehicle axle shafts, with partial chrome plating on the outside diameter to improve corrosion resistance
• Components manufactured under an IATF-certified automotive quality management system