How to grease a spindle bearing
How to grease a spindle bearing
Lubricating a spindle bearing properly is essential for ensuring smooth operation and longevity. Typically, this is done using a grease gun that pumps the chosen grease through the bearing’s grease nipple.
For high-speed applications, it's crucial to keep grease levels below 30% of the bearing’s fill space, as overfilling can lead to leakage due to the high speeds involved. Additionally, these applications require a run-in period to allow the grease to distribute evenly throughout the bearing.
To determine the precise grease quantity and relubrication intervals for your specific application, we recommend using the SKF Super Precision Manager Tool. This intuitive tool calculates the optimal fill rate and helps you keep your bearings in peak condition.
How to select the best lubricant for spindle bearings
When selecting grease for super precision bearings, the best choice depends on the required operating temperature range. There are two primary options: Grease with a mineral base oil and lithium thickener, which is ideal for temperatures between -30°C to +110°C. Grease with a synthetic base oil, which is suitable for applications requiring enhanced performance in varying conditions.
Other key factors to consider when selecting grease include:
- Operating temperatures
- Bearing speed
- Static operation or infrequent rotation
- Vibration levels
- Load conditions
- Water resistance requirements
By evaluating these factors, you can determine the correct consistency grade and base oil viscosity for your application. If you're unsure which grease is best for your needs or have specific concerns such as water resistance, rust protection, or high vibration, our Lubrication Expert is happy to help you find the ideal solution.
What are the best lubricants for spindle bearings
For general use in super precision bearings, SKF LGLT 2 Grease is a top choice. This fully synthetic, low-viscosity grease features advanced thickener technology, offering excellent lubrication at low temperatures and high speeds, low friction torque for smooth performance, quiet operation, and outstanding oxidation stability and wear resistance.
By selecting the right grease and applying it correctly, you can enhance the performance and lifespan of your spindle bearings. Need expert advice? Get in touch with our team!