Open oil-free linear bearing guide sleeve
Open oil-free linear bearing guide sleeve
Self-lubricating bronze bearings are engineered for applications where external lubrication is impractical. Solid lubricants are compressed and molded directly into the bearing to guarantee a maintenance-free product. No additional lubrication is necessary.
Revolutionize Your Equipment: Open Oil-Free Linear Bearing
Are you tired of dealing with conventional bearings that require constant oiling and maintenance? Embrace the future of industrial technology with our Open Oil-Free Linear Bearing. Say goodbye to messy lubricants and frequent upkeep, and welcome a more efficient and reliable solution. Our innovative oil-free linear bearing ensures smooth and precise movement for your machinery, allowing it to perform at its best without interruptions. Experience reduced downtime and increased productivity, leading to cost savings and elevated output. Embrace this cutting-edge technology and revolutionize your equipment’s performance today!

Bronze Linear Bushing
Bronze Linear Bushings, also known as plain or sleeve bearings, are mechanical components that provide smooth and low-friction linear motion. They are cylindrical-shaped devices that fit into housings or bores, acting as guides for shafts, rods, or other linear motion elements.

Guide Sleeve – Open Oil-Free Linear Bearings
In the world of precision engineering and motion control, linear bearings play a critical role in ensuring smooth and accurate movement along linear shafts. Traditional linear bearings have long relied on oil lubrication to reduce friction and ensure optimal performance. However, the advent of environmentally friendly and efficient solutions has given rise to the Open Oil-Free Linear Bearing Guide Sleeve – a revolutionary advancement that offers remarkable benefits over its closed-bearing counterparts.
The Open Oil-Free Linear Bearing Guide Sleeve is an innovative variation of the traditional ISO closed bearing, designed with an open configuration that facilitates usage on fully supported shafts. This unique feature enhances the system’s rigidity, making it an ideal choice for applications that require precise and stable linear motion.

Elevate Efficiency and Minimize Environmental Impact

Introducing the Imperial (Inch) bearing – a remarkable, open, and compensated design that ensures optimal performance. Embracing the concept of “perplexity,” this bearing boasts a range of features that will elevate your experience to new heights. From its versatility in ID sizes, which range from 1/2″ to 2″, to the impressive static load capacities of up to 25,000 lb (111,000 N), this bearing sets a new standard in precision engineering.
Intriguingly “bursty” in its construction, the Imperial bearing is a masterful combination of casting bronze with a graphite insert, ensuring self-lubrication for smooth and oil-free operation. The result is an unparalleled product that performs with utmost efficiency while offering vibration damping to enhance stability.
The Imperial bearing is engineered to excel even in extreme conditions, with a wide temperature range of -400°F to 400°F (-240°C to 204°C). Its ability to maintain exceptional rigidity, even under harsh circumstances, will leave you impressed and confident in its reliability.
Precision is the name of the game with the Imperial bearing, as it is machined to tighter tolerances than industry standards, ensuring unmatched accuracy. Furthermore, its size interchangeability with industry standards guarantees a seamless integration into your existing systems.
For a truly personalized experience, our custom service option is at your disposal. Allow us to tailor the Imperial bearing precisely to your unique requirements, delivering a solution that exceeds expectations.
Open Oil-Free Linear Bearing Guide Sleeve Size Chart
| Model number | Main scale | |||||||
| Inner diameter outer | Outer diameter | Length | h | <P° | ||||
| d | tolerance mm | D | tolerance mm | L | tolerance mm | |||
| Open oil-free linear bearing | 10 | +0.034 0 | 19 | 0 -0.013 | 29 | 0 -0.02 | 6.8 | 80° |
| Open oil-free linear bearing | 12 | 21 | 30 | 8 | 80° | |||
| Open oil-free linear bearing | 13 | 23 | 32 | 9 | 80° | |||
| Open oil-free linear bearing | 16 | 28 | 37 | 11 | 80° | |||
| Open oil-free linear bearing | 20 | +0.041 0 | 32 | 0 -0.016 | 42 | 11 | 60° | |
| Open oil-free linear bearing | 25 | 40 | 59 | 0 -0.03 | 12.5 | 50° | ||
| Open oil-free linear bearing | 30 | 45 | 64 | 15 | 50° | |||
| Open oil-free linear bearing | 35 | +0.050 0 | 52 | 0 -0.019 | 70 | 17.5 | 50° | |
| Open oil-free linear bearing | 40 | 60 | 80 | 20 | 50° | |||
| Open oil-free linear bearing | 50 | 80 | 100 | 25 | 50° | |||
| Open oil-free linear bearing | 60 | +0.060 0 | 90 | 0 -0.022 | 110 | 30 | 50° | |
| Open oil-free linear bearing | 80 | 120 | 140 | 0 -0.04 | 40 | 50° | ||
Comparing Open Oil-Free Linear Bearings with Traditional Bearings
Performance Comparison
Open oil-free linear bearings offer comparable performance to traditional bearings, and in some cases, they may outperform them due to their self-lubricating properties.
Cost and Maintenance Comparison
The reduced maintenance needs of open oil-free linear bearings can result in significant cost savings over time compared to traditional bearings.
Longevity and Reliability
With proper installation and maintenance, open oil-free linear bearings can have a long and reliable service life.
Addressing Misconceptions about Open Oil-Free Linear Bearings
Myth: Reduced Performance Due to Lack of Lubrication
On the contrary, open oil-free linear bearings deliver consistent performance without external lubrication.
Myth: Limited Application Scope
Open oil-free linear bearings are suitable for a wide range of applications, from light-duty to heavy-duty.
Myth: Complicated Installation Process
The installation process is straightforward and can be easily managed with proper guidelines.
Industry Trends and Future Prospects
Advancements in Material Technology
Ongoing research and development in material science promise even better materials for open oil-free linear bearings, enhancing their performance further.
Key Features and Advantages
Enhanced Rigidity
The open design of the bearing enables its utilization on fully supported shafts, resulting in superior system rigidity. This feature is especially beneficial in applications where stability and precision are of paramount importance.
Extensive Size Range
The Open Oil-Free Linear Bearing Guide Sleeve is available in a wide range of sizes, accommodating shafts with diameters from 5 mm to 80 mm. This versatility allows it to be incorporated into various industrial and mechanical applications.
Impressive Static Load Capacities
Despite its oil-free nature, this bearing does not compromise on load-bearing capabilities. With static load capacities of up to 270 kN (61,000 lbs), it proves to be a reliable and robust component for heavy-duty applications.
Self-Lubricating Operation
The standard shell material of this bearing is crafted from bronze, which is infused with graphite solid lubricant. This intelligent design ensures self-lubrication, eliminating the need for oil-based lubricants and reducing maintenance requirements.
Optional External Lubrication
While the bearing functions efficiently in an oil-free mode, certain applications may benefit from external lubrication. For such cases, the bearing is equipped with an external lubrication feature as an optional add-on.
Wide Temperature Range
Open Oil-Free Linear Bearing Guide Sleeve boasts exceptional adaptability to varying environmental conditions. Its operational temperature range spans from an impressive -240° C to 204° C (-400° F to 400° F), making it suitable for extreme temperatures and diverse applications.
Vibration Dampening
The inherent properties of the bearing material and design contribute to effective vibration dampening, resulting in smoother and quieter operation.
Customizable Modifications
As with any advanced engineering solution, custom modifications are available upon request. Application Engineers can collaborate with clients to tailor the bearing to specific project requirements, ensuring optimal performance and application suitability.






