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Automotive

Solutions for Chassis and Auxiliary Drives in Passenger Cars and Commercial Vehicles

Today, our solutions for chassis applications go far beyond mere bearings – we have reengineered them to the point that they are now complete mechatronic systems with sophisticated technology ranging from integrated sensors for capturing data, to electromechanical actuators for active chassis applications. While our focus is on increased safety and comfort, our products also meet the demands for cost-effectiveness. With the aid of our solutions, truck operators can achieve a significant reduction in TCO (Total Cost of Ownership). Our product portfolio is rounded out by bearings for accessory units and special applications for commercial vehicles.

Passenger Cars

Components and Systems for Chassis and Accessory Units in Passenger Cars

Cross pin
Cross pin

Bearings for the chassis

Sophisticated solutions: Our bearing solutions for the chassis are fully engineered – from design through production to assembly. Our drawn and hardened universal joint bearings, for example, are designed to transfer torques in steering shafts and driveshafts with zero backlash. Compared with conventionally-manufactured products, they offer significantly higher load carrying capacity. To optimize running smoothness, we have even developed special assembly techniques along with the corresponding machines.

Products:

  • Strut bearings
  • Spring seat bearings
  • Universal joint bearings (IPH fitting method)
  • Tripod rollers

Bearings and components for the steering column

Precise and comfortable steering: The steering not only controls the vehicle’s direction, but it also communicates driving “feel” and comfort directly to the driver, while also contributing significantly to driver safety. Here, the bearing support inside the steering column plays a crucial role. Our extensive R&D work on bearings and components for the steering column has resulted in greater protection for the driver in crash situations, improved steering comfort and reduced vibrations in the steering column.

Products:

  • Steering column bearings
  • Clamping device
  • Linear bearings/displacement bearings
  • Power steering pump bearings
Steering column
Steering column
Face splines
Face splines

Wheel bearings

Our innovative solutions for maintenance-free wheel bearings range from compact bearing units to highly-integrated assemblies that incorporate the wheel carrier.

Built-in sensors supply data used for controlling ABS and ESP, as well as for active driving dynamics control. Wheel forces can be measured continuously.

For wheel bearings in vans, SUVs and light trucks, we have developed a special four-row angular contact ball bearing that can replace conventional tapered roller bearings and significantly reduces fuel consumption and emissions. The innovative wheel bearing with face splines offers capacity reserves in addition to weight reduction, optimized installation and longer service life.

Products:

  • Wheel bearings
  • Wheel modules
  • Four-row angular contact ball bearings (Twin Tandem)

Electromechanical actuators

Ingenious technology for active chassis applications: Our mechanical ball screw drive actuators can be used in numerous innovative automotive chassis applications, for example, in electromechanical steering systems. Offering greater comfort, lower costs and reduced fuel consumption, these systems can replace conventional hydraulic power steering systems. Other application examples include mechatronic active roll control systems and brake applications, as well as active chassis-adjustment systems for ride-height leveling, or for track and camber adjustment.

Products:

  • Mechatronic active roll control
  • Ball screw drives
  • Electromechanical steering systems
  • Ride-height leveling systems
  • Track and camber adjustment
Ball screw drive actuator for chassis applications
Ball screw drive actuator for chassis applications

Applications for commercial vehicles

Safety and durability: Schaeffler continuously develops innovative solutions for rolling bearing supports in crankshafts, camshafts and balancer shafts that offer considerable potential for reducing power losses in the engine, and, therefore, improved fuel economy and lower emissions. Balancer shafts with rolling bearing supports generate approximately 50 % less friction compared with shafts supported by plain bearings. Schaeffler has also succeeded in developing an optimized design for balancer shafts that is up to 40 % lighter with no performance losses.

Products:

  • Rolling bearing supports for balancer shafts
  • Balancer shafts with optimized mass
  • Rolling bearing supports for camshafts
  • Rolling bearing supports for crankshafts
  • Rolling bearing supports for turbochargers
Throttle valve bearing and housing
Throttle valve bearing and housing
Commercial Vehicles

Components and Systems for Chassis and Accessory Units in Commercial Vehicles

Wheel bearing
Wheel bearing

Wheel bearing applications

Innovative wheel bearing solutions: Insert wheel bearing units form the basis for maintenance-free commercial vehicle wheel bearing supports. Due to the hub collar, even high lateral forces occurring during cornering are securely supported by the bearing. Mounting without setting work and the clamping of the inner rings against a stop lead to a highly rigid wheel head with precise wheel guidance. High-performance greases and the highly efficient sealing system ensure problem-free usage for the whole life of the vehicle. New, customer-specific special solutions with a special combination of material and heat treatment give a further increase in performance capability. Together with a revised, low-friction sealing system, these have become our “X-life plus” design. Both fuel consumption and emissions have been reduced as a result.

Products:

  • Tapered roller bearings
  • Insert tapered roller bearing units
  • Single bearing unit
  • Truck axle module
  • Hub unit offset design

Pinion and differential bearings

Top performance through flexibility: Due to special heat treatment, our pinion and differential bearings have a high deformation capability of the raceway surface. If local overload damage occurs, for example through overrolling of foreign particles in the unfiltered axle drive oil, this allows “self-healing” and thus a long service life. Special designs combine “low friction” and “maximum performance” in our “X-life plus” design.

Products:

  • Pinion bearings
  • Crown wheel bearings
  • Semi-locating pinion bearings (full complement)
Differential bearing
Differential bearing
Kingpin bearing
Kingpin bearing

Kingpin bearing support

First class features: Our kingpin bearing supports combine the best characteristics of axial and radial bearings and are used not only in trucks but also in conveying equipment and agricultural machinery. They are solid, resilient and protected against contamination and moisture by a particular high-quality grease.

Products:

  • Kingpin bearing support
  • Axial cylindrical roller bearings
  • Needle roller bearings
  • Drawn cup needle roller bearings with open ends
  • Thrust washer

Components for brake applications

Compact and precise: Brake applications from Schaeffler are used in the components of well-known truck suppliers. One example is our brake adjusters for truck disk brakes: A compact design, engagement accuracy and greasing for life makes them a reliable teammate in the vehicle. Schaeffler also supplies special products such as cold formed half-shell bearings that can withstand high static loads.

Products:

  • Half-shell bearings for truck disk brakes
  • Axial needle roller bearings
  • ABS sensor ring
  • Brake adjusters
  • Sleeves
  • Axial washers
  • Axial ball/needle roller cage
Brake adjuster
Brake adjuster
Universal joint bearing
Universal joint bearing

Components for drive shafts

Safety in all sizes: Cardanic shafts for trucks are subject to heavy loads and best perform their function with our universal joint bearings. These maintenance-free components are in use in their millions worldwide. One reason is that their seal package is extremely reliable and another is that, in addition to the sizes offered, special versions can be produced. The product range is enormous.

Products:

  • Universal joint bearings BBUA / BBUB / BU
  • Semi-locating bearings for drive shafts

Auxiliary drives and interior equipment

The right bearing solution for every requirement: Auxiliary drives are decisively influenced by conventional assessment criteria such as power, torque, mass, consumption and cost-effectiveness. On the basis of these requirements, Schaeffler works in close partnership with customers to develop and manufacture bearing components for auxiliary drive applications such as starters, airconditioning compressors and throttle valves as well as braking and steering systems. Due to Schaeffler’s many years of experience and expertise, it can often respond at very short notice to a wide range of customer specifications.

Products:

  • Deep groove ball bearings
  • Four point contact ball bearings
  • Angular contact ball bearings
  • Needle roller bearings
  • Axial bearings
Deep groove ball bearing for steering systems
Deep groove ball bearing for steering systems
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