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)
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