Step 3: Lift up the vehicle. Use the floor jack and a pair of safety jack stands to lift and secure the vehicle. This will allow you to safely remove the tire.

Step 2: Remove the outer wheel bearing. If the wheel bearings are housed inside your disc brake rotor, as often seen in trucks, you will need to pry off the central dust cap to expose the cotter pin and retaining nut.

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As the leading manufacturer of slewing bearings, our aim is to create solutions and manufacture products that have an above average service life, even while being subjected to harsh operating conditions.

Rothe ErdeDay after day, rothe erde® slewing bearings prove themselves as reliable rotational connection elements in a wide range of application areas. Worldwide, we always offer solutions that are unique in terms of design, quality, material selection and performance. The design and production are exactly carried out according to the individual customer requirements.

In most cases this service can be done inexpensively. Once the new bearing pressed in, the spindle can be installed back on to the vehicle.

Thanks to our extensive experience in both slewing bearing design and production, Rothe Erde is the world market leader for large diameter bearings.

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Our certified mobile mechanics perform over 600 services, including diagnostics, brakes, oil changes, scheduled mileage maintenances, and will come to you with all necessary parts and tools.

We have developed industry leading calculation procedures and adhere to strict quality requirements in order to provide the highest quality products.

We manufacture all main components in-house. The diversity of applications and the function of the large diameter bearings is also reflected in the range of dimensions in which they are supplied:

The goal is to quickly and easily transfer the forces acting on the slewing bearing to the adjacent structural machine elements. The overall design of the product, including the inner and outer rings, the gear cutting, rolling elements and mounting holes, enables it to transmit the applied loads and allow smooth rotation at the same time while maintaining a compact footprint. Slewing bearings enable and facilitate the rotational motion of wind turbines, excavators, cranes and tunnel boring machines, just to name a few. The slewing bearing offers many advantages compared to other solutions, including taking up significantly less space, weighing less and being more cost-effective in most cases.

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Step 2: Install the tire. Replace the wheel and tighten the lug nuts by hand. Support the vehicle with a floor jack and remove the safety jack stands. Slowly lower the vehicle until its tires just touch the ground.

The challenge of the production process is to manufacture a product that can withstand the intended operating conditions over the long term. Among others, these are:

Step 3: Complete the installation. Use a torque wrench to tighten the lugnuts to manufacturer specifications. Lower the vehicle completely and remove the floor jack.

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The VIN (Vehicle Identification Number) is listed on the driver's side, where the dashboard and the windshield meet, and on the driver-side door or doorjamb.

In this machining step, the program-controlled turning of the contours takes place. These include the surfaces, pilots, steps, seal grooves, chamfers and raceways for the rollers or balls of the bearing.

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Step 5: Install the new bearing. Place the new bearing into the back of the rotor and apply grease to the inside bearing cavity. Install a new bearing seal over the new larger bearing and slide the rotor back on to the spindle.

Would you like more information about our bearing types, bearing selection and installation, service and much more? Then download our catalog.

We have developed industry leading calculation procedures and adhere to strict quality requirements in order to provide the highest quality products.

Step 4: Remove the lug nuts. With the vehicle lifted and secured, remove the lug nuts completely and then remove the tire and place aside.

A slewing bearing, also known as a slewing ring, is a machine element that absorbs all axial and radial forces and the resulting tilting moments, in a single, self-retaining and ready-to-install bearing unit.

A bad wheel bearing can also lead to pulling to one side while braking, trouble rolling in neutral gear, clicking or snapping from the wheels, an ABS dash light ...

As a global manufacturer of slewing bearings with production facilities in Asia, Europe and the Americas and with a global sales network, Rothe Erde is able to supply products worldwide.

Step 8: Remove the spindle if needed. If your bearing is pressed into the spindle, it is recommended that you remove the spindle from the vehicle and take both the spindle and the new wheel bearing to your local repair shop. They will have the specialty tools to press out the old bearing and press in the new one.

For the assembly, the rings are positioned on a rotating table. The specified number of balls or rollers are installed into the raceway.

To do this, use your pliers to remove the cotter pin and retaining nut and then slide the rotor forward to release the outer wheel bearing(smaller wheel bearing).

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Full-surface hardening without soft spot is a worldwide unique and patented hardening process developed by Rothe Erde. This process is used for high-speed bearings such as rotor bearings in wind turbines.

The seals are then fitted between the outer and inner rings on the top and bottom sides, and the gap between the rings is checked for uniformity.

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Step 4: Rub bearing grease into the casing. Place the rotor face down on the floor with the back side facing upwards. Take the new larger bearing and rub the bearing grease into the casing.

rothe erde® slewing bearings prove themselves as important mechanical components in very diverse areas of applications. The applications and products are as varied as the slewing bearings themselves: they are individually designed and manufactured for each application. Find out which solutions are available in each industry:

Step 1: Remove the brake caliper and bracket. Use your ratchet and ⅜ socket set to unbolt the disc brake caliper and bracket from the spindle. Use a screwdriver to remove the caliper itself.

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First, the drilling takes place. A chamfer is then created at the top and bottom of the entrance. If required, an additional thread can be cut into the bore.

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Hardening increases the wear resistance and thus the service life of the raceways and gearing. Heavily strained surfaces are surfaced hardened by an induction hardening process. These surfaces include the raceways and the gear teeth, if required by the design.

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The ring is placed centrally on a horizontal table of a CNC vertical lathe. After machining one side, it is then turned and machined from the other side.

Each customer is the most important person to our business. In North America we continue to earn their business every day since 1962.

Gears can be cut either on the outer or inner ring. The gears are cut in several passes by the designated tooling. Gear cutting can be completed using one of the following processes:

For an optimum surface quality, raceways and contact surfaces are machined with a hard ceramic cutting tool prior to the assembly.

The final inspection of the finished product is carried out internally by the certified quality assurance department or together with the customer and/or a designated 3rd party. During this process, the functionality and geometry are checked in detail. The basis for the inspection is the specifications that were agreed to during the design development or those specified in the contract. The test results are recorded in a written test report and in the QA documentation. The scope of the documentation is defined together with the customer in advance.

As a reliable slewing bearing manufacturer with production facilities located around the world (Americas, Europe, Asia), Rothe Erde stands for high-quality products and innovative solutions that are designed and manufactured according to all customer requirements, comprehensively and meticulously inspected before delivery and safely shipped to the final destination.

From planning and design to construction and delivery, Rothe Erde is always at your side as a reliable partner. We support you long beyond the warranty period to ensure the slewing bearing reaches its full service life. We offer assistance during installation and commissioning, inspection and maintenance services while the bearing is installed.

Depending on the design and required tolerances, the finishing of the product is carried out either by hard turning or by grinding. A combination of the two processes is also possible.

After the final inspection, the slewing ring is ready to be properly packaged by our logistics department and readied for shipment. The transport takes place either directly to the construction site on site or initially to a seaport or airport. If the transport cannot be carried out with the standard modes of transport, special trucks, ships and aircrafts are used.

Congratulations, you have successfully changed your vehicle’s wheel bearing. It is important to perform a test drive after changing the wheel bearings to ensure that the repair is complete.. If you encountered any problems while changing your wheel bearings, call a professional mechanic, such as one from YourMechanic, to replace them for you.

As a renowned manufacturer of slewing bearings, it is our aim to manufacture products and create solutions that operate reliably over the long term even in extreme environments and have an above-average service life.

Step 1: Put the brake rotor and caliper back on. Now that the new bearing is installed, the brake rotor and caliper can be placed back onto the vehicle using a ratchet and the appropriate sockets that were used to remove them.

As broad as the areas of application of slewing bearings are, their individual designs are equally diverse. This is clearly evident with their possible size range: Rothe Erde is able to manufacture segmented slewing bearings with a diameter of up to 25,000 mm, and in the non-segmented form with a diameter of up to 9,600 mm.

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Changing your own wheel bearings is considered an intermediate job that can be done at home, but will need some speciality mechanic tools. The steps provided below are generalized to cover the three most common types of wheel bearings that are found on most vehicles. Be sure to obtain your vehicle's service manual and identify the type of wheel bearing your vehicle is equipped with before you begin the repair.

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Wheel bearings are parts that allow the wheels on your vehicle to spin freely and with as little friction as possible. A wheel bearing is a set of steel balls that are housed in a metal case known as a race, and it is located inside the wheel's hub. If you hear a moaning or humming sound while you are driving, it is likely that one of your vehicle’s wheel bearings is starting to fail.

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Bad Wheel Bearing: Signs and Symptoms It's Time to Replace · 1. Humming Noise · 2. Squealing, Growling · 3. Clicking Sound · 4. Wheel Wobble · 5. ABS Failure · 6.

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Numerous bores are arranged in rows in the axial direction for mounting the bearing and the load support. Between them are threaded holes for the stop screws in order to lift the bearing by crane.

Thanks to our extensive experience in both slewing bearing design and production, Rothe Erde is the world market leader for large diameter bearings.

Step 3: Remove the rotor and inner wheel bearing. Replace the retaining nut on the spindle and grab the rotor with both hands. Proceed to pull the rotor off the spindle, allowing the larger inner bearing to get caught on the retaining nut, and release the bearing and grease seal from the rotor.

Pack the new smaller bearing with grease and slide it on to the spindle inside the rotor. Now install the thrust washer and retaining nut onto the spindle.

Step 7: Unbolt and replace the hub. Some cars have permanently sealed front wheel bearings as shown in the image above. The rotor mounts on a hub that contains the pressed-in wheel bearing.

The functional demands placed on this highly technical product in terms of size, rotational properties, load capacity and service life are constantly changing as a result of dynamic markets. Whether, for example, a tunnel boring machine has to bore ever larger tunnels or wind turbines are getting bigger and bigger - we always find a suitable bearing solution. In the research and development center, which covers an area of 10,700 m², future-oriented developments are tested and all key components and materials are tested to their limits on our 20 test rigs. This allows the use of the components to be simulated under realistic conditions, thus enabling the products to be optimized further and further. In addition, the portfolio is constantly being developed and improved through cooperations with our customers, universities and external research institutes.

Matter of: Aero Independent Bearing Company, Inc. File: B-258017; B-258017.2 Date: November 29, 1994.

Step 6: Install a new cotter pin. Tighten the retaining nut until it is snug and turn the rotor counterclockwise at the same time.