Plastic linear guide bearing is a self-lubricating linear motion system with sliding friction and surface.Contact between the bearing and the cylindrical shaft.Suitable for high load and low-speed motion.High strength engineering plastics such as modified polyoxymethylene (POM) and lubricating fiber composite materials are usually used for manufacturing. These materials are modified by adding wear-resistant agents (such as polytetrafluoroethylene) and have high strength and good toughness. Common cylindrical or rectangular structures, some with V-shaped groove brackets.Flange type (such as LMK series) can enhance installation stability, with inner diameters ranging from mm to cm.
There are no special requirements for the fitting shaft of plastic linear guide bearings.Plastic linear guide bearings can withstand larger loads than metal bearings.But due to the sliding friction between bearing and shaft, the speed of movement is limited to some extent. The resistance to motion is greater than metal linear bearings.But its motion noise is lower. Especially at medium and high speeds.Where the noise of plastic linear bearings has very little effect on speed. Plastic linear guide bearings, due to their internal chip groove design.They are allowed to be used in dusty environments. Dust automatically carries out the friction surface of the bearing body from the chip groove during movement.Plastic linear bearings also allow for cleaning during use.And the internal sliding film made of special materials can even be used for long-term operation in liquids.
The main advantages include
Lightweight and easy to install;
Corrosion resistance ensures stable operation in humid or corrosive environments;
Low friction coefficient reduces energy consumption;
Self lubricating characteristics reduce maintenance requirements.
In application scenarios, it is particularly suitable for harsh environments such as mechanical trimming or concrete pipe cutting machines.Which can withstand vibration and high loads; It is also widely used in the fields of food and medical equipment to achieve low-speed heavy-duty operation.
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Contact: April
Email: nsk@llhbearing.com
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