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Bearing NNU 4976 KM 51 NA URB
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Product detailed description
The NNU 4976 KM 51 NA URB is a double-row cylindrical roller bearing engineered for applications demanding high radial load capacity and precision. Key specifications include:
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Dimensions:
- Bore Diameter (d): 380 mm
- Outside Diameter (D): 520 mm
- Width (B): 140 mm
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Design Features:
- Double-row configuration for enhanced load distribution
- Tapered bore with a taper of 1:12
- Machined brass cage (designated as 'M')
- Radial internal clearance classified as 'C1' (less than 'C2')
- Precision class 'P5' (better than 'P6')
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Load Ratings:
- Dynamic Load Rating (C₁₀): 1,630 kN
- Static Load Rating (C₀): 4,050 kN
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Speed Ratings:
- Limiting Speed with Grease Lubrication: 1,400 rpm
- Limiting Speed with Oil Lubrication: 1,600 rpm
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Additional Features:
- Separable inner ring for ease of assembly and disassembly
- No snap ring included
- Relubricatable design
- Retainer present to prevent roller contact
This bearing is suitable for applications such as machine tool main spindles, where high precision and load capacity are essential. The machined brass cage ensures controlled movement of the rolling elements, reducing friction and allowing for higher rotational speeds with less heat generation.
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URB Bearings - Reliability and Quality for Your Applications
URB bearings are known for their high quality and reliability. This renowned manufacturer, based in Romania, offers a wide range of products for various industrial sectors, including automotive, machinery, energy, and more. URB bearings are designed for optimal performance and long service life, making them the ideal choice for demanding applications that require reliability and efficiency.
Why Choose URB Bearings?
- High Reliability: URB bearings are designed to perform well under demanding conditions, minimizing maintenance needs and extending the service life of your equipment.
- Excellent Price/Performance Ratio: URB bearings offer excellent results at competitive prices, making them an ideal choice for a wide range of applications.
- Wide Range of Products: URB offers a broad selection of bearings, including ball, roller, and other types, to meet the specific requirements of various industries.
Technical Specifications
URB bearings are available in many types and sizes, allowing for customization to meet your specific needs. Whether you need bearings for high loads, high speeds, or extreme temperatures, URB has the solution for you. Choose based on parameters such as diameter, width, material, and other technical specifications.
Contact Us
If you are looking for high-quality URB bearings for your applications, feel free to contact us. Our company provides expert advice on selecting the right bearing type and ensures fast delivery. We're here to help you find the ideal bearings for your needs and answer all your questions.
Interested in URB bearings? Order from us today!