The standard sizes of cylindrical rollers are usually defined by international standards organizations!customized sizes of cylindrical rollers can also be produced to meet specific application requirements.

there are standard sizes for cylindrical rollers (needle rollers). The size of a cylindrical roller is usually specified by its diameter and length. The diameters of cylindrical rollers can range from a few millimeters to several centimeters, depending on the application.

The standard sizes of cylindrical rollers are usually defined by international standards organizations, such as the International Organization for Standardization (ISO) and the American Bearing Manufacturers Association (ABMA). These standards define the size ranges for cylindrical rollers that are commonly used in various applications, and they specify the tolerances, dimensional accuracy, and other characteristics of the rollers.

For example, the ISO 3096 standard defines the size range for drawn cup needle rollers, which are a type of cylindrical roller used in needle bearing assemblies. The standard specifies the dimensions, tolerances, and other characteristics of the rollers, including their radial internal clearance and surface roughness.

In addition to the standard sizes, customized sizes of cylindrical rollers can also be produced to meet specific application requirements. The selection of the appropriate size of cylindrical roller depends on various factors, such as the load capacity, speed, and precision requirements of the application.

The design of a needle roller bearing typically consists of a thin outer ring, a series of cylindrical rollers, and an inner ring, which may or may not be separable from the outer ring. They are often used in conjunction with thrust bearings to provide additional support for axial loads. Needle roller bearings are commonly used in automotive and aerospace applications, as well as in various types of machinery, such as gearboxes, engines, and pumps. They are available in different configurations, including single-row, double-row, and full complement designs, and can be made from various materials such as steel, brass, or plastic.

manufacturer and supplier of needle rollers

we have over 20 years of manufacturing precision rollers,we had all specifications: diameter from 0.5mm to 60mm. delivery time: send to europe, USA, or canada only 3-5 work days. any inquiry to us immediately!

Email: rollersale@bearing-needles.com