NNU4121 Double Row Cylindrical Roller Bearing
This double row cylindrical roller bearing is designed for high radial load capacity and stiffness. The bearing's precision-ground cylindrical rollers ensure optimal load distribution and minimize friction.
Technical Specifications
Product Overview
High-Performance Cylindrical Roller Bearing
The NNU4121 is a high-precision double-row cylindrical roller bearing engineered for demanding industrial environments. Featuring a line-contact design between rollers and raceways, it excels at sustaining heavy radial loads and impact forces while maintaining a low friction factor. Its robust construction ensures exceptional stability, high-speed capability, and long-term dimensional accuracy for critical machinery.
Technical Specifications
- Bearing Type
- Double Row Cylindrical Roller Bearing
- Load Characteristics
- High Radial LoadImpact Load Resistance
- Contact Geometry
- Line contact
Design & Construction
Cage Options
- Stamping steel cage
- Copper alloy car system cage
- PA forming cage
- Separable Rings
- Yes
Performance Metrics
Performance Characteristics
1 Low
Friction Factor
1 High
Speed Capability
Applications
Common Applications
Machine ToolsAutomotiveGeneratorsRolling MillsVibrating ScreensHoisting Machinery
Product Range
Related Series
| Configuration | Series Types |
|---|---|
| Single Row | N, NU, NJ, NF, NUP, NFP, NH |
| Double Row | NN, NNU, NNF |
| Four Row | FC, FCD |
