What’s the detailed installation of taper roller bearing back to back arrangement?

Single row taper roller bearing back to back arrangement have tapered inner and outer ring raceways, which are typically separated by a stamped cage between the inner and outer raceways. This type of product can withstand combined radial and axial loads, and the ability of the bearing to withstand axial load is determined by the contact angle α. The larger α, the higher the ability to withstand axial loads.
Single row taper roller bearing back to back arrangement are separate bearings that are mounted separately from the inner ring assembly with the roller cage and the outer ring. This type of taper roller bearing back to back arrangement installation requires some skill.

1. Installation place
Bearings should be installed in a clean, dry environment. Keep away from metalworking equipment or machinery that produces metal debris and dust. When it is necessary to install taper roller bearing back to back arrangement in unprotected areas (as is often the case with oversized bearing installations), measures must be taken to protect the bearings, mounting locations and related parts from dust, dirt and moisture, such as wax paper, Plastic cloth or rag covers or wraps related parts such as bearings and journals.
2. Preparation before installation and disassembly
Prepare all necessary parts, tools, equipment, and materials before installation. Carefully study the drawings or instructions to determine the correct installation sequence for the different parts. Inspect the bearing housing, shaft, seals, and other parts of the bearing configuration to see if they are clean, especially if there are possible loose holes, conduits, or grooves. Check the dimensional and shape tolerances of all components in contact with the taper roller bearing back to back arrangement.

3, taper roller bearing back to back arrangement handling
In general, the use of protective gloves and special handling tools and transport is the best practice. This not only saves time and money, but also reduces work intensity, reduces risk and reduces health hazards. Therefore, when handling hot or oily bearings, it is recommended to use heat-resistant or oil-proof gloves. For large bearings or heavy bearings, use cranes to move or position, and use steel belt or canvas hoisting bearings.
4, single row two sets of taper roller bearing back to back arrangement installation
Single row tapered roller bearings are generally installed in pairs. The two outer ring large end faces can be oppositely mounted back to back (DB), the two outer ring small end faces are opposite to each other (DF), or one outer ring is small. The end face is connected to the other end of the outer ring (DT). During the back-to-back installation of the bearing, the outer inner component is to be installed, disassembled and reinstalled. The inner diameter of the taper roller bearing back to back arrangement and the shaft should be properly selected, and the correct and reasonable tools are used to facilitate the installation and disassembly, and the shaft and inner shaft are guaranteed. The rings, rollers and cage are not damaged.
Use the appropriate tool to attach the inner bearing assembly to the journal (eg sleeve). Note that the pressure must not be applied to the roller or cage.

The shaft is loaded into the housing with the appropriate tool and the initial installation is complete. Be careful not to damage the outer ring raceways, rollers and cages.
5, bearing trial operation
After the taper roller bearing back to back arrangement is installed, add the specified lubricant and then perform a test run to check the sound and temperature of the taper roller bearing back to back arrangement. The test run should be carried out under the condition that the minimum load is met. In the case of a large speed range, it should be operated at medium and low speeds. Under no circumstances should rolling bearings be started under no-load conditions and accelerated to high speeds as this may cause the rollers to slide over the raceways and damage the raceways.
The temperature of the taper roller bearing back to back arrangement will increase after starting the equipment, which is normal. After the equipment is running at low or medium speed, check the oil level of the seals, lubrication equipment and oil tanks. After meeting the relevant requirements, adjust to the normal speed and gradually load to normal load operation. The maintenance taper roller bearing back to back arrangement and related parts should be inspected regularly during use to ensure reliable and long-life operation of the taper roller bearing back to back arrangement.

ZYSL company specializes in taper roller bearing back to back arrangement for many years. All raw materials and accessories have been carefully selected to ensure a good user experience.

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