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Cylindrical Roller Bearing
overview
Cylindrical Roller Bearings
KG Cylindrical Roller Bearings are engineered for high load-carrying capacity, precision, and durability in demanding industrial environments. These bearings use cylindrical rollers instead of balls, enabling them to handle heavier radial loads with minimal friction and high-speed performance.
Features
- High Radial Load Capacity: The line contact between rollers and raceways allows these bearings to support much higher radial loads than ball bearings.
- High-Speed Capability: With minimal friction and efficient roller geometry, these bearings can operate at high speeds with reduced heat generation.
- Multiple Designs and Configurations: Available in types such as NU, N, NJ, and NUP, which offer flexibility in axial movement and fixed positioning depending on the design.
- Separability for Easy Mounting: Most bearings have separable inner and outer rings, simplifying installation, disassembly, and inspection.
- Precision Manufacturing: Manufactured with tight tolerances and surface finishes for smooth operation, long life, and minimal vibration.
Applications
- Electric Motors and Generators
- Gearboxes and Transmissions
- Steel Mills and Heavy Machinery
- Machine Tools and CNC Equipment
- Railway Axles and Rolling Stock
- Pumps and Compressors
- Paper and Textile Machinery
Why Choose KG Bearings
KG Cylindrical Roller Bearings are chosen for their robust performance under heavy radial loads, versatility across various machine designs, and long service life even in tough operating conditions. Whether used in high-speed machinery or load-intensive applications, these bearings deliver reliable performance backed by consistent quality, global availability, and cost-effective engineering. Their modular designs also allow for easy customization to meet specific industrial needs.
FAQ's
What are radial loads and axial loads?
Loads are defined by their direction. Loads perpendicular to the shaft are called radial loads and loads parallel to the shaft are called axial (thrust) loads
How do deep groove ball bearings (DGBBs) differ from single-row angular contact ball bearings?
While DGBBs can handle axial loads in both directions, single-row angular contact ball bearings can only receive axial load in one direction.
What are the differences between open, sealed, and shielded deep groove ball bearings?
Seals and shields offer additional protection for bearing components and help to improve and maintain lubrication. In terms of sealing performance, sealed bearings rank best, followed by shielded bearings, then finally open bearings.
NSK uses supplementary designations D, DU, DW, and V (DD, DDU, DDW, VV) for sealed bearings and Z (ZZ) for shielded bearings. No supplementary designations are listed for open bearings.
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