What are the precautions for the maintenance and care of self-aligning roller bearings? (3
Release time:
2025-06-11
What are the precautions for the maintenance and care of self-aligning roller bearings? (3
V. Regular Maintenance and record-keeping
Maintenance cycle and content
Daily inspection: Check the temperature, noise, vibration and lubrication status every day, and record the operating parameters;
Quarterly maintenance: Clean the exterior of the bearings, replenish or replace the grease, and inspect the seals.
Annual maintenance: Disassemble the bearings, thoroughly clean and inspect the wear on the raceways and roller surfaces, measure the clearance, and replace the failed components.
2. Maintain archive management
Record the bearing model, installation date, operating time, grease type and filling record, fault handling situation, etc., to provide data support for predictive maintenance.
Vi. Precautions under Special Working Conditions
1. High-temperature working conditions
Use forced cooling (such as oil circulation) or high-temperature resistant grease, and regularly check the carbonization of the grease to prevent it from hardening and failing due to high temperatures.
2. Low-speed and heavy-load working conditions
To enhance the extreme pressure performance of the grease and prevent adhesive wear caused by boundary lubrication during startup, oil mist lubrication or regular high-pressure grease injection can be considered.
3. Alternating load or shock conditions
Increase the preload of bearing installation (such as through spring preload) to reduce roller slippage, and at the same time, select reinforced cages (such as solid copper cages) to prevent breakage.
Vii. Precautions for Disassembly and Storage
1. Disassemble correctly
When disassembling, use a dedicated puller or hydraulic disassembly tool to avoid violent disassembly that may cause damage to the bearing or journal. The temperature during hot disassembly should not exceed 100℃ to prevent the bearing from annealing.
2. Storage requirements
When storing bearings, they should be placed horizontally to avoid stacking and squeezing. Uninstalled bearings should be kept in their original packaging to prevent the dust cover or sealing ring from deforming.
Summary
The maintenance and care of self-aligning roller bearings should cover the entire cycle from installation, lubrication, operation monitoring to storage. Through standardized operation and preventive maintenance, the risk of failure can be effectively reduced and the service life of the bearings can be prolonged. For the bearings of key equipment, it is recommended to combine condition monitoring technologies such as vibration analysis and oil detection to achieve predictive maintenance and further enhance the reliability of the equipment.
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