Metric needle rollers are slender cylindrical components used in mechanical systems to reduce friction and facilitate smooth rotational or linear motion. They are specifically designed and measured using the metric system and commonly appear in needle roller bearings, which are compact bearing units capable of carrying heavy radial loads in limited spaces.

Key Features

Small Diameter with Long Length: Needle rollers typically have a length that is significantly greater than their diameter, enhancing their load-carrying capacity.

Precise Tolerance: Metric needle rollers are manufactured to high-precision standards, ensuring smooth operation and minimal clearance within the bearing assembly.

Material: Made from hardened, high-carbon chrome steel to resist wear and deformation.

Advantages

High Load Capacity: Despite their small cross-section, needle rollers can support substantial radial forces.

Space Efficiency: They allow machinery to be more compact due to their narrow diameter.

Durability: High resistance to wear and fatigue in demanding environments.

Applications

Automotive Engineering: Used in gearboxes, transmissions, camshaft bearings, and universal joints to handle high radial loads and restricted spaces.

Industrial Machinery: Found in conveyor systems, hydraulic pumps, and machine tools where compact bearing solutions are required.

Aerospace and Aviation: Used in flight control actuators and landing gear due to their lightweight and high-load-bearing design.

Textile Equipment: Enable precise motion in looms and weaving machines.

Let us know if you’d like details on selecting or sourcing metric needle rollers for your specific application!