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Bearing 21311 M NTN
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Product detailed description
The NTN 21311 spherical roller bearing is engineered to handle substantial radial and axial loads in both directions. Its self-aligning design enables it to compensate for misalignment between the shaft and housing, ensuring smooth operation even under challenging conditions.
Key Features:
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Self-Aligning Design: The outer ring features a continuous spherical raceway, allowing the bearing to accommodate misalignment between the shaft and housing.
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Double Row of Rollers: Equipped with two rows of barrel-shaped rollers, the bearing can support high radial loads and axial loads in both directions.
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High Load Capacity: Designed to handle substantial radial and axial loads, making it suitable for demanding applications.
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Open Design: The open configuration allows for easy lubrication and cooling, enhancing performance in various operating conditions.
Technical Specifications:
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Bore Diameter (d): 55.000 mm (2.1654 inches)
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Outside Diameter (D): 120.000 mm (4.7244 inches)
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Width (B): 29.000 mm (1.1417 inches)
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Dynamic Load Rating (C): 167,000 N (37,500 lbf)
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Static Load Rating (C₀): 158,000 N (35,500 lbf)
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Limiting Speed (Grease Lubricated): 3,700 rpm
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Limiting Speed (Oil Lubricated): 4,800 rpm
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Operating Temperature Range: -40°C to 120°C (-40°F to 250°F)
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Cage Material: Pressed Steel
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Enclosure: Open (no seals)
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Internal Clearance: CN (normal)
This bearing is commonly used in applications such as steel mills, paper manufacturing machines, and mining equipment, where high load capacity and the ability to accommodate misalignment are essential.
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NTN Bearings - Quality, Reliability, and Innovation
NTN bearings are among the leading products on the market, known for their high quality, reliability, and long service life. This Japanese manufacturer offers a wide range of bearings for various industrial applications, including automotive, machinery, energy, and more. NTN bearings are the ideal choice for demanding applications where performance and durability in extreme conditions are essential.
Why Choose NTN Bearings?
- High Performance: NTN bearings deliver excellent performance even in the most demanding conditions, ensuring long service life and reliability.
- Innovative Technology: NTN continuously develops new technologies and materials that improve bearing performance and contribute to their efficiency in various industrial applications.
- Wide Range of Products: NTN offers a broad selection of bearings, including ball, roller, needle, and other types, designed to meet the specific requirements of different industrial sectors.
Technical Specifications
NTN bearings are designed for a wide range of applications, including those with high loads, high speeds, or extreme temperatures. They come in various sizes, materials, and specifications to precisely meet the needs of your application. Choose NTN bearings based on diameter, width, material, and other technical parameters.
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If you are looking for NTN bearings for your specific applications, feel free to contact us. Our company offers not only quality products but also expert advice to help you choose the best bearings for your needs. We are ready to ensure fast delivery and assist with any inquiries.
Interested in NTN bearings? Order from us today!