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How to disassemble cylindrical roller bearings?

Resource from:  CBCC Likes:55
Aug 02,2023

How to disassemble cylindrical roller bearings?


Cylindrical roller bearings are a type of rolling-element bearing designed to provide support and low friction between rotating parts, typically in heavy-duty industrial applications. They belong to the family of rolling bearings, which includes other types like ball bearings, tapered roller bearings, and spherical roller bearings.

Disassembling cylindrical roller bearings can be a straightforward process if you follow the proper steps and use the right tools.

Here's a general guide on how to disassemble cylindrical roller bearings:



Before proceeding with disassembly, ensure you have a clean work area and the necessary safety equipment. Also, make sure you have the appropriate tools for the job.


Tools You May Need:

1.Spanner wrench

2.Bearing puller

3.Soft mallet or rubber hammer

4.Clean rags or paper towels

5.Cleaning solvent (if bearings need cleaning)

6.Grease or lubricant (for reassembly)


Step-By-Step Guide:

1.Safety Precautions: Wear protective gear, including safety glasses and gloves, to protect yourself from any potential hazards during the disassembly process.

2.Remove Surrounding Components: If the bearings are part of a larger assembly, you may need to remove surrounding components like seals, collars, or retaining rings. This will expose the bearings for easier access.

3.Remove Grease or Lubricant: If the bearings are greased, you should clean off excess grease from the outside. Use a clean rag or paper towel to wipe away any visible grease or dirt.

4.Use Spanner Wrench (if applicable): Some cylindrical roller bearings have a threaded retaining ring or nut that holds them in place. In such cases, you'll need a spanner wrench to loosen and remove the retaining ring or nut. Rotate the wrench counterclockwise to loosen it.

5.Use Bearing Puller (if needed): If the bearings are press-fit into a housing or shaft, you may need to use a bearing puller to gently remove them. A bearing puller applies even pressure around the circumference of the bearing, helping it come out smoothly.

6.Gently Tap with Mallet (if needed): In some cases, the bearings may be slightly stuck, especially if they have been in place for a long time. You can use a soft mallet or rubber hammer to tap the bearing gently from the sides to loosen it. Be careful not to strike it too hard to avoid damage.

7.Inspect the Bearings: Once the bearings are removed, inspect them for signs of wear, damage, or contamination. If the bearings are in poor condition, you should consider replacing them with new ones.

8.Cleaning (if needed): If you plan to reuse the bearings, clean them using an appropriate cleaning solvent. Make sure to follow the manufacturer's guidelines for cleaning and handling the bearings.

9.Reassembly (if needed): If you are reusing the bearings, apply a suitable grease or lubricant to them before reassembling them into the equipment. Follow the manufacturer's recommendations for the correct lubrication type and amount.

10.Reinstall Surrounding Components: Once the bearings are in place, reassemble any surrounding components you previously removed.

Remember that proper handling and care during the disassembly process are crucial to avoid damaging the bearings. If you are uncertain about disassembling cylindrical roller bearings, it is best to seek assistance from a professional or someone experienced in bearing maintenance and repair.


Company:Luoyang EFANT Precision Bearing Manufacturing Co. Ltd

Address:No. 9 Jingjin North Rd, Luoxin Development Zone, 

Xin'an County, Luoyang City, Henan Province 471003, China


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