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Super Precision Cylindrical Roller Bearings
NSK Super Precision Cylindrical Roller Bearings are designed specifically to handle large radial loads in high-speed spindle applications that demand high running accuracy (runout) of bearing-spindle arrangements.
Features
- This lineup of bearing includes a basic series that meets ISO standards and a specified series targeting machine tools.
- A double-row cylindrical roller bearing series is available for applications requiring high rigidity. A single-row cylindrical roller bearing series is available for applications requiring high-speed performance.
- A Robust series of high performance bearings is available for applications requiring both high-speed and high-rigidity performance.
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- Highly Rigid Series of Double-Row Cylindrical Roller Bearings
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New material and new design facilitate enhanced machine tool performance.
Features:
- High-speed performance and low heat generation
- Enhanced service life with grease lubrication
- Highly rigid PPS resin cage restricts deformation due to centrifugal force, and achieves stable rotation at high speeds.
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- Standard Series of Single-Row Cylindrical Roller Bearings
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Basic series of NSK Super Precision Single-Row Cylindrical Roller Bearings that meet ISO standards.
Features:
- NSK long life Z bearing steel used as standard material.
- Highly rigid roller guided machined brass cage
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- Robust Series of Single-Row Cylindrical Roller Bearings
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The highly heat-resistant PEEK cage and excellent heat resistant and wear resistant SHX steel help the bearing achieve a dmn value of 220 X 104.
Features:
- Optimum design for low heat generation
- SHX steel for improved seizure resistance, and ceramic rollers for improved reliability.
- High-speed performance achieved through use of heat-resistant, highly rigid, PEEK resin material
Machine Tools
(1,083 KB)
- Life
(201 KB) - Static Load Ratings and Static Equivalent Loads(104 KB)
- Angular Contact Ball Bearing Combinations(227 KB)
- Preload and Rigidity(197 KB)
- Limiting Speeds(98 KB)
- Lubrication(125 KB)
- Bearing Tolerances(144 KB)
- Design of Shafts and Housings(177 KB)
- Spacers(120 KB)
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