rollers for linear motors,oneway clutches, heavy load linear rails, cross bearings, joint bearings, rotary table bearings, wind turbine bearings, motor bearings, linear bearings, cross roller bearings, high-grade precision cylinder, one-way clutch, roller one-way clutch, robot, robot bearings, precision instrument bearings.
cylindrical rollers can be used in cross guide rails to provide smooth and precise linear motion. cross guide rails are typically used in precision machining applications, such as machine tools and semiconductor manufacturing equipment.
In addition to dimensional tolerances, high-precision needle rollers may also be manufactured to tight material and hardness specifications to ensure consistent performance and long service life. Overall, the tolerance accuracy of high-precision needle rollers is a critical factor in ensuring precise and reliable motion in high-load applications, and manufacturers invest significant resources in ensuring that their products meet the required specifications.
to use cylindrical rollers in a cross guide rail, the rollers are typically arranged in a linear array and placed between two guide rails. The guide rails are typically made of a high-precision material, such as hardened steel or ceramic, and are designed to maintain a straight and smooth linear path.
the cylindrical rollers are then inserted into the guide rail and arranged in a specific pattern, such as a V-shaped or U-shaped groove, to provide the desired linear motion. the rollers are usually preloaded to ensure consistent contact between the rollers and the guide rails, which helps to reduce friction and improve precision.
to ensure smooth and reliable linear motion, the cross guide rail and cylindrical rollers must be properly lubricated and maintained. the lubricant used should be selected based on the specific application requirements, temperature, speed, and load capacity. regular cleaning and inspection of the cross guide rail and cylindrical rollers are also important to ensure optimal performance and long service life.
needle rollers main use is as rolling elements in bearings where they are particularly useful when space is limited and a high radial load is required. They are also useful as locating pins and mini shafts.
common specifications:short rollers for crossed roller linear guides(P series)
| OD Series | SPEC OD*Length | ||||||||
| 1.50mm | 1.50*1.40, 1.50*1.43, 1.50*1.45 | ||||||||
| 2.00mm | 2.00*1.85, 2.00*1.90, 2.00*1.93, 2.00*1.95 | ||||||||
| 2.50mm | 2.50*2.40 | ||||||||
| 3.00mm | 3.00*2.90, 3.00*2.93, 3.00*2.95 | ||||||||
| 3.50mm | 3.50*3.40 | ||||||||
| 4.00mm | 4.00*3.90, 4.00*3.93, 4.00*3.95 | ||||||||
| 4.50mm | 4.50*4.30 | ||||||||
| 6.00 mm | 6.00*5.90, 6.00*5.93, 6.00*5.95 | ||||||||
| 9.00 mm | 9.00*8.90, 9.00*8.93, 9.00*8.95 | ||||||||
| needle rollers, short rollers, miniature sharts, needle rollers suppliers, precision shafts | |||||||||
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