needle rollers are small cylindrical rollers that are used to reduce friction and support loads, while dowel pins are small cylindrical pins that are used for precise alignment of components. while there may be some overlap in the applications for these components, they serve different functions and are designed to meet different requirements.
dowel pins, on the other hand, are small cylindrical pins that are used to precisely align two or more components in a mechanical system. dowel pins are typically made from materials such as steel, stainless steel, or brass, and come in a variety of diameters and lengths. they are often used in applications such as automotive engines or manufacturing equipment, where precise alignment is critical.
dowel pins are cylindrical pins that are used to locate and align two or more parts. they have a cylindrical shape with a chamfer or radius at each end, and they are typically made of hardened steel or other materials. dowel pins are commonly used in automotive and aerospace applications, as well as in the construction of machinery, equipment, and tools.
needle rollers are long, thin cylindrical rollers with a high length-to-diameter ratio. they are typically used in applications where space is limited and a high load-carrying capacity is required. needle rollers are commonly used in automotive and industrial applications.
needle rollers and dowel pins are both types of cylindrical rollers used in various applications, but they have different designs and functions. we are professional manufacture of bearing rollers and cylindrical needle rollers. we produce rollers of diameter 0.5 mm to 60 mm. the rollers could satisfy the request of DIN 5402 G2 rollers.
diameter tolerance | +0/-0.005, +0/-0.003, +0/-0.002, grouping for 0.001mm or 0.0005mm | ||||||||
length tolerance | +/-0.015, +/-0.01, +0/-0.015, +/-0.005,+0/-0.005 | ||||||||
radius | R0.03-R0.3 | ||||||||
parallelism | 0.01, 0.005 | ||||||||
perpendicularity | 0.01, 0.005 | ||||||||
circularity | 0.001 | ||||||||
cylindricity | 0.001 | ||||||||
roughness | Ra0.1 | ||||||||
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