Needle roller bearings are a type of precision roller bearing characterized by long, thin cylindrical rollers resembling needles. Their distinctive design allows for a higher length-to-diameter ratio, enabling these bearings to handle high radial loads in compact spaces. Commonly used in automotive transmissions, industrial gearboxes, and various machinery requiring efficient radial load support, needle roller bearings offer advantages of lightweight construction, cost-effectiveness, and suitability for high-speed applications. The needle rollers, guided by the bearing's races, distribute loads evenly, providing excellent radial load-carrying capacity. Proper lubrication is essential for minimizing friction, ensuring durability, and extending service life. Needle roller bearings find application in diverse industries where space constraints and the need for efficient radial load handling are critical considerations.
| Inner Diameter | 15 mm | Number of Rows | Single Row |
| Outer Diameter | 21 mm | Cage Material | Non-Metallic |
| Width | 18 mm | Seal Type | None On Both Sides |
| Dynamic Load Rating | 10.1 kN | Clearance | CN |
| Static Load Rating | 14.6 kN | Precision | Grade 0 |
| Fatigue Load Limit | 1.7 kN | Min Temperature | -40 °C |
| Reference Speed | rpm | Max Temperature | +120 °C |
| Limiting Speed | rpm | Size Standard | Metric System |
| Rolling Element | Roller | Mass | 0.017 kg |
FEATURES AND BENEFITS
High load-carrying capacity.
Low friction and high-speed.
Support both radial and axial loads.
Well suited for applications with limited radial space.
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