needle bearing


Also found in: Dictionary, Thesaurus, Wikipedia.
Related to needle bearing: thrust bearing

needle bearing

[′nēd·əl ‚ber·iŋ]
(design engineering)
A roller-type bearing with long rollers of small diameter; the rollers are retained in a flanged cup, have no retainer, and bear directly on the shaft.
References in periodicals archive ?
In the perspective of simulation, the four monitored bore oil volumes on the output shaft were sufficient enough to meet the four needle bearing lubrication requirements.
When design engineers specify a needle bearing, the major factors to consider are the physical envelope (outer and inner diameters and length), load requirements, life expectancy, speed, temperature, and operating environment.
Most universal joints have a multitude of parts, including input and output yokes, needle bearings, seals, snap rings, and bearing cap assemblies.
It features a clamping bore with fine slots that are surrounded by hundreds of needle bearings so there's concentric, precise and smooth clamping when the nut is tightened.
The company's major products and services include purifying and environment protection equipment and projects; automobile sale; optical, mechanical and electronic integrated surveying instruments; power transformation high voltage insulators; needle bearings, as well as grinding materials and grinding tools, among others.
Stronger, hardened helical steel gears and new needle bearings provide more torque and 25% longer product life.
Application-matched lubricant choices are available for pedal ystem pivots and bearings, Hydraulic components such as air compressors and master cylinders, brake booster and actuator diaphragms, seals and pistons, disc brake components, from needle bearings to caliper assembly parts and mechanical or electrical parking brakes and brake-by-wire actuators.
Manufactured from aircraft-grade aluminum and stainless steel, the Motorized Zerotator uses 80 caged needle bearings to guarantee smooth rotation of your imaging train with no flexure.
Nippon Thompson is a major manufacturer of linear guidance systems and needle bearings. It has established a business model that pursues high profitability through quick delivery, holding wide-ranging stock of finished goods through manufacturing of a wide variety of products in small quantities.
Torlon 4630 and 4645 are aimed at bushings, bearings, sliding elements, thrust washers, and needle bearings for automotive, aerospace, and other high-performance applications.