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The KB120AR0 is a constant section bearing with a 12-inch bore and 12.625-inch outer diameter, crafted from durable chrome steel. Its slim 0.3125-inch width makes it ideal for space-saving applications.
Designed for angular contact loads, it handles radial loads up to 1623 lbf and static thrust loads up to 4240 lbf. The 30° contact angle ensures smooth operation under combined loads.
Its open design and brass cage allow for easy maintenance and long service life. The bearing operates reliably in temperatures from -30°C to 110°C.
This model is interchangeable with KAYDON bearings, offering a practical replacement option. Suitable for applications like robotics or precision machinery where slim profiles and angular loads are needed.
Weighing just 0.85 lbs, it’s lightweight yet robust. Compliant with RoHS standards for safe use.
The KB120AR0 features a single-row construction with ABEC-1 tolerance, ensuring consistent performance. Its radial clearance is finely tuned between 0.0000 and 0.0005 inches.
The chrome steel balls and rings provide durability, while the brass cage reduces friction. It’s pre-lubricated for immediate use, saving setup time.
Ideal for applications requiring precise movement, such as rotary tables or medical equipment. Its thin section design fits neatly into compact assemblies without sacrificing strength.
With a static moment rating of 16860 lbf, it handles off-centre loads effectively. A reliable choice for engineers needing a balance of precision and durability.
This bearing’s internal and external diameters are precision-machined for a snug fit. The inner ring’s external diameter is 12.231 inches, while the outer ring’s internal diameters vary slightly for optimal alignment.
Its dynamic radial load capacity of 1623 lbf and static radial load of 5840 lbf make it versatile for various industrial uses. The open seal type allows for easy inspection and re-greasing.
Perfect for applications like packaging machines or aerospace components where reliability is key. The inch-based measurements simplify integration into existing systems.
Operating smoothly within a broad temperature range, it’s a dependable component for demanding environments. Its compliance with RoHS standards ensures it meets modern safety requirements.
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Performance Features of KB120AR0 Bearing
KB120AR0 Bearing is designed with a 30° contact angle, providing excellent angular contact performance.
Its chrome steel rings and balls ensure durability and reliable operation under dynamic radial loads up to 1623 lbf.
The brass cage maintains ball alignment, reducing friction and wear.
With a temperature range of -30°C to 110°C, it performs well in various environments.
How Is KB120AR0 Bearing Engineered for Reliability?
KB120AR0 Bearing features a single-row construction, optimised for precision and load distribution.
The ABEC-1 tolerance class ensures consistent performance in angular contact applications.
Its thin-section design saves space while maintaining strength.
The open seal type allows for easy lubrication and maintenance.
Built for Durability: KB120AR0 Bearing
KB120AR0 Bearing’s chrome steel components resist wear, extending its service life.
The static radial load capacity of 5840 lbf makes it suitable for demanding applications.
Its brass cage reduces noise and vibration during operation.
The bearing’s lightweight design at 0.85 lbs doesn’t compromise its strength.
Steel vs Ceramic Bearings: Strengths of KB120AR0 Bearing
KB120AR0 Bearing uses chrome steel for both rings and balls, offering a balance of strength and affordability.
The material choice ensures good performance in temperatures from -30°C to 110°C.
Its brass cage provides smooth operation without the brittleness of ceramic options.
The bearing’s thin-section design is particularly useful where space is limited.
Why Choose KB120AR0 Bearing for Precision Tasks?
KB120AR0 Bearing’s ABEC-1 tolerance ensures precise operation in angular contact applications.
The 0.3125″ width makes it ideal for compact installations without sacrificing performance.
Its static moment rating of 16860 lbf demonstrates stability under load.
The open design allows for easy inspection and relubrication when needed.
Industrial Uses of KB120AR0 Bearing
KB120AR0 Bearing is commonly used in industrial automation, particularly in robotic arms and precision machinery where its thin section design saves space without compromising performance. The open seal type allows for easy lubrication, ensuring long service life in demanding environments.
In aerospace applications, KB120AR0 Bearing provides reliable angular contact support for control systems and actuators. Its chrome steel construction handles both radial and thrust loads efficiently, making it suitable for high-precision flight components.
For medical imaging devices, KB120AR0 Bearing’s brass cage reduces friction, ensuring smooth operation in sensitive equipment like MRI scanners. The ABEC-1 tolerance class guarantees consistent performance in critical healthcare settings.
Automotive vs Aerospace: Applications of KB120AR0 Bearing
In automotive steering systems, KB120AR0 Bearing offers precise angular contact support, enhancing driver control and vehicle responsiveness. Its inch sizing ensures compatibility with a range of North American and European models.
For aerospace applications, KB120AR0 Bearing’s lightweight design and high load capacity make it ideal for flight control mechanisms. The 30° contact angle provides optimal load distribution during high-speed maneuvers.
Perfect Fit for Automation: KB120AR0 Bearing
KB120AR0 Bearing excels in automated production lines, where its slim profile fits into compact machinery like CNC routers. The brass cage minimises wear, maintaining accuracy over extended periods of use.
In 3D printers, KB120AR0 Bearing ensures smooth linear motion for print heads, contributing to high-quality output. Its chrome steel balls provide durability, even with frequent directional changes.
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