One of the most common bearing types—the plain bearing—serves as a critical component in various industrial machinery. Therefore, proper installation methods must be followed when installing plain bearings; otherwise, they may fail to operate effectively or even cause accidents in mechanical equipment. Based on experience, China Bearing Network shares installation methods and precautions for plain bearings.

Plain Bearing Installation Methods:

1.Securing the sliding bearing with a bearing retainer during processes where the bearing's position differs axially from the shaft's sliding section.

2.Inserting a precision-pressed rod with an outer diameter matching the shaft into the bearing bore during installation.

3. Radially press-fit the bearing onto the shaft's sliding section while the precision-pressed rod remains inserted in the bearing bore.

Precautions for Sliding Bearing Installation:

1. If the housing bore is designed using easily deformable materials (e.g., aluminum alloy) or features thin walls, specify this to prevent deformation during press-fitting.

2. To simplify assembly and prevent damage to the wear-resistant layer, the shaft end face must feature a chamfered smooth transition. The recommended shaft material is bearing steel with surface hardening to HRC 45, surface roughness of Rz 2-3, or alternatively, a hard chrome plating.

3. Before assembly, ensure both the bushing and housing bore surfaces are free of contaminants. The housing bore surface should be as smooth as possible to prevent scratches during assembly.

4. During assembly, apply a moderate amount of lubricant to the outer surface of the bushing to facilitate installation. Avoid excessive lubrication, as this may cause the bushing to disengage under heavy loads or reciprocating motion.

5. During assembly, slowly press the sleeve onto the shaft using a mandrel (hydraulic press recommended). Never strike the sleeve directly to prevent deformation.

6. If possible, apply grease to the shaft surface during assembly to shorten the sleeve break-in period.