Description
Product Overview
uxcell offers a high‑quality linear ball bearing designed for precision motion control. Each unit incorporates two rubber seals that create a dust‑proof barrier, protecting the internal steel balls from contaminants. The bearing housing is machined from hardened steel, providing excellent rigidity, low friction, and a long service life. Standard dimensions include a 12 mm outer diameter, 6 mm inner bore, and a 35 mm length, making it compatible with common linear shafts and guideways.
Usage
These bearings excel in applications that demand smooth linear travel and resistance to environmental debris. Typical installations include CNC routers, 3‑D printers, tensile testing rigs, coordinate measuring machines, and multi‑axis robotic arms. The dust‑sealed design is especially valuable in workshop settings where metal shavings, dust, or moisture are present.

Why Choose Us
uxcell combines rigorous manufacturing standards with practical design features. The dual‑seal system extends bearing life by preventing particle ingress, while the precision‑ground steel balls ensure consistent, low‑load performance. Each bearing undergoes quality testing to meet industrial specifications, giving engineers confidence in reliability and repeatability.
Key Features
- Dual rubber seals for dust and water protection
- Hardened steel construction for high rigidity and durability
- Low friction operation suitable for high‑speed linear motion
- Standard 12 mm OD, 6 mm ID, 35 mm length fits most guide systems
- Easy replacement and interchangeable with other uxcell linear bearings
FAQ
What shaft sizes are compatible with this bearing?
The bearing has a 6 mm inner bore, so it fits shafts ranging from 5.9 mm to 6.1 mm in diameter. It is commonly used with 6 mm cylindrical shafts in linear motion assemblies.
How do the rubber seals improve performance?
The two rubber seals create a sealed environment that blocks dust, water, and debris from entering the bearing housing. This reduces wear on the steel balls and extends the bearing’s operational lifespan, especially in dirty or humid conditions.
Can the bearing be used in high‑load applications?
While the bearing is optimized for low to moderate loads typical of precision equipment, its steel construction can handle occasional higher loads. For continuous heavy‑load scenarios, consider a larger bearing size from the uxcell range.
Is lubrication required?
The bearing comes pre‑lubricated with a durable grease suitable for most indoor applications. For extreme temperatures or specialized environments, additional lubrication may be applied according to manufacturer guidelines.
What is the warranty on uxcell linear bearings?
uxcell provides a one‑year limited warranty covering manufacturing defects. Replace any bearing that fails due to material or workmanship issues within the warranty period.




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