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What is the typical contact angle between a newly installed bearing shell and the shaft journal?
About 120 degrees, varying by machine
To ensure even and tight contact between the journal and the sliding bearing, a certain clearance fit is required. The contact angle refers to the central angle corresponding to the contact surface between the journal and the sliding bearing. The contact angle should not be too large nor too small. Too small a contact angle increases the pressure on the sliding bearings, and in severe cases it can cause significant deformation of these bearings, accelerating wear and reducing their service life. On the other hand, too large a contact angle hinders the formation of an oil film, resulting in inadequate liquid lubrication. Based on comprehensive analysis of practical experience, the recommended contact angle is generally between 60°C and 90°C, with a maximum not exceeding 120°C.
About 120 degrees, varying by machine
To ensure even and tight contact between the journal and the sliding bearing, a certain clearance fit is required. The contact angle refers to the central angle corresponding to the contact surface between the journal and the sliding bearing. The contact angle should not be too large nor too small. Too small a contact angle increases the pressure on the sliding bearings, and in severe cases it can cause significant deformation of these bearings, accelerating wear and reducing their service life. On the other hand, too large a contact angle hinders the formation of an oil film, resulting in inadequate liquid lubrication. Based on comprehensive analysis of practical experience, the recommended contact angle is generally between 60°C and 90°C, with a maximum not exceeding 120°C.
Based on comprehensive analysis of practical experience, the recommended contact angle is generally between 60°C and 90°C, with a maximum not exceeding 120°C.
The contact angle should be between 60 degrees and 90 degrees, with a maximum of 120 degrees