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The RA5008 is a compact crossed roller bearing measuring 50mm in bore, 66mm in outer diameter, and just 8mm wide. Made from sturdy steel, it handles combined loads with ease, rated for 5.1 kN dynamic and 7.19 kN static loads.
Its single-row design with open construction ensures smooth operation, while the press-fit shaft mount provides a secure installation. The bearing includes small greasing holes (2mm and 0.8mm) for easy maintenance.
Suitable for temperatures from 0°C to 110°C, it’s ideal for precision applications like robotics or medical equipment. With an ABEC5 rating (upgradeable to ABEC7/9), it offers reliable performance for high-accuracy needs.
Weighing only 0.08kg, it’s lightweight yet durable. Compliant with RoHS and REACH standards, it’s a practical choice for industrial and technical uses.
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Performance Features of RA5008 Bearing
RA5008 Bearing is designed for combined load applications, offering a compact size of 50 mm x 66 mm x 8 mm.
Its steel rings and rollers provide a basic load rating of 5.1 kN, ensuring reliable performance.
The crossed roller design enhances stability and precision, making it suitable for high-accuracy tasks.
With a temperature range of 0 to 230°F, RA5008 Bearing operates effectively in various conditions.
RA5008 Bearing requires lubrication but features a press-fit shaft mount for easy installation.
Its ABEC5 rating ensures smooth operation, with options available for higher precision needs.
Industrial Uses of RA5008 Bearing
RA5008 Bearing is commonly used in machine tools, where its crossed roller design provides excellent stability for rotary tables and indexing heads. The compact 8mm width makes it ideal for space-constrained applications.
In robotics, RA5008 Bearing ensures precise movement in articulated arms and joints, thanks to its high ABEC5 rating. The steel construction handles combined loads efficiently, even in continuous operation.
For medical imaging devices like CT scanners, RA5008 Bearing offers smooth rotation with minimal vibration. Its press-fit mounting simplifies installation in precision equipment where alignment is critical.
Automotive vs Aerospace: Applications of RA5008 Bearing
In automotive steering systems, RA5008 Bearing supports compact gear mechanisms with reliable load distribution. The grease lubrication ensures longevity despite frequent directional changes.
Aerospace applications benefit from RA5008 Bearing’s lightweight design (0.08kg) in control surface actuators. The temperature range up to 230°F accommodates various operational environments.
What Makes RA5008 Bearing a Preferred Choice?
RA5008 Bearing shines in 3D printer gantries, where low-profile crossed rollers prevent wobble during high-precision printing. The open design allows easy access for routine maintenance.
In packaging machinery, RA5008 Bearing handles combined radial and thrust loads from conveyor belts. The 50mm bore size fits standard industrial shafts without requiring adapters.
Built for Heavy-Duty Use: RA5008 Bearing
RA5008 Bearing withstands rigorous conditions in textile machinery looms, where constant vibration demands durable components. The steel rollers maintain shape under prolonged stress.
For semiconductor manufacturing equipment, RA5008 Bearing’s ABEC5 precision ensures contaminant-free rotation. The 66mm outer diameter provides sufficient surface area for heat dissipation.
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