Heavy Duty Type X Needle Track Roller

Rugged, Reliable, and Precision-Engineered for Demanding Applications

Heavy Duty Performance Bearings for Aerospace Industry | Hatches and Cargo Doors

Built to Endure, Engineered for Precision

The AS21442 bearing is designed to tackle the toughest loads and provide unmatched durability, making it the top choice for industries that require heavy-duty performance. Built with precision engineering and high-quality materials, this robust track roller excels in applications with high radial loads, shock impacts, and rigorous operational demands.

Key Features & Advantages

Exceptional Load-Bearing Capacity
Engineered to support high radial and shock loads, this heavy-duty needle track roller is perfect for demanding applications, offering reliable performance and reducing the risk of failure under stress.
Durability Under Extreme Conditions
Made from premium-grade, corrosion-resistant plated materials, the AS21442 is built to withstand challenging environments and maintain its integrity in tough conditions, extending service life and lowering maintenance costs.
Low Friction & Smooth Operation
With its advanced needle roller design, this track roller minimizes friction, enabling smoother operation, reduced energy consumption, and less wear on surrounding components.
Precision Engineering
Tight tolerances and rigorous quality standards ensure that this track roller delivers consistent, reliable performance, ideal for applications requiring high precision and dependability.
Versatile & Adaptable
Compatible with various industrial applications, including automation, heavy machinery, and transportation systems, this roller is a flexible solution that enhances operational efficiency across multiple sectors.

Applications

The AS21442 bearing can be found in aircraft cargo door and hatch actuation systems, flap and slat actuation mechanisms, landing gear systems, and additional locations.

Part # MS21442 Dash Number	Bore Diameter +.0002″ / -.0004″	Outer Ring Diameter +.0020″ / -.0005″	Overall Width +.005″ / -.010″	Outer Ring Width +.005″ / -.005″	Clamping Diameter MIN	Crown Radius REFERENCE	Radial Internal Clearance MAX FILLET CORNER WILL CLEAR	Capacity as a Track Roller MAX	Limit Load Rating LB	Approximate Weight LB
MS21442-121	0.25	0.75	0.5625	0.5	0.5	10	0.016	0.0023	2000	2600

The AS21442 bearing is a robust and durable solution for demanding industrial applications. Designed to withstand heavy loads and harsh conditions, it offers exceptional load-bearing capacity, low friction, and precision engineering. This versatile track roller is ideal for various sectors, including aerospace, automation, and heavy machinery.

To learn more about how the AS21442 can benefit your specific application, contact Carter Aerospace today for a quote.