If the surface of the shaft cannot be processed to the specified hardness or roughness, an inner ring can be used!!
Typically, bearings are used with shafts that have been heat-treated and ground to serve as raceways, but inner rings are used when the surface of the shaft cannot be processed to the specified hardness or roughness. 【Features】 ● The inner ring can also be used as a bushing. ● You can choose between options with or without oil holes depending on the usage conditions. ● JNS responds to urgent orders with the shortest delivery times. ● We provide thorough after-sales support. Please feel free to contact us if you have any issues. They are compatible with needle bearings from other manufacturers. We also have a comparison table that can be compared with other part numbers. *For more details, please download the catalog or contact us.
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basic information
The inner ring undergoes heat treatment and is finished with high-precision grinding. The end faces are chamfered to allow for easy insertion of the bearing without damaging the sealing seal. It is advisable to use a wide inner ring when there is a large axial movement of the shaft and when seals are used on the outer side of the bearing.
Price information
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Delivery Time
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Applications/Examples of results
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Detailed information
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IR: Inner circle (without oil hole)
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IRZ: Internal (with oil hole)
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Company information
In cutting-edge industrial fields where high precision and high performance are required, we support our customers' manufacturing. With the corporate philosophy of "Better products come from better people," since our founding in 1964, Nose Seiko has supported the industrial machinery sector as a specialist in needle roller bearings within Japan's industrial domain. Currently, we are expanding our unique brand "JNS" overseas and supporting the industrial sectors of countries around the world through a sales network that spans over 50 countries.