It can bear a large radial load relative to its small cross-sectional height, enabling the miniaturization and weight reduction of machinery!
JNS cylindrical needle bearings are bearings that combine a high-precision, rigid outer ring with needle rollers equipped with retainers. They have a low profile height and a space-saving design. 【Features】 ● They have high rigidity and high bearing accuracy. ● They can withstand large radial loads. ● They can reduce the occupied space of the bearing within the equipment. ● Due to the high rigidity of the outer ring, they can also be used in lightweight metal housings. ● We respond 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 turned needle bearing features a structure that incorporates a cage and needle rollers into a machined outer ring, providing high rigidity and precision in bearing performance. Due to the high rigidity of the outer ring, it can also be used in lightweight metal housings. Additionally, because the diameter of the needle rollers is relatively small, it can support a large radial load despite a small cross-sectional height, enabling the miniaturization and weight reduction of machinery. There are options with and without an inner ring, and the shaft can also be used directly as the raceway surface. - Without Inner Ring - The shaft is used directly as the raceway surface for the turned needle bearing. - With Inner Ring - If the shaft surface cannot achieve the specified hardness, precision, or roughness, a version with an inner ring should be used. The inner ring is hardened and polished, finished to the necessary hardness, precision, and roughness for the raceway, allowing for immediate use.
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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RNA/NK - RNA48, 49, 59, 69: No inner ring, no seal *Multi-row: RNA69 (Fwφ37 or more) - NK: No inner ring, no seal
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NA/NKI - NA48, 49, 59, 69: With inner ring, without seal *Multi-row: NA69 (shaft diameter φ32 or more) - NKI: With inner ring, without seal
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RNA..UU ・RNA49, 69..UU: No internal ring, with seal *Multiple rows: RNA69 (Fwφ42 or more)
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NA..UU ・NA49, 69..UU: With inner ring and seal *Multi-row: NA69 (shaft diameter φ35 or more)
catalog（1）
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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.