Description
The 3311 ATN9/C3 Double Row Angular Contact Ball Bearing is designed to efficiently handle high radial and axial loads while occupying less axial space compared to two single-row angular contact bearings. With a back-to-back (O) arrangement and a 30° contact angle, this bearing offers enhanced rigidity and stability, making it ideal for applications requiring a stiff bearing setup.
Engineered with SKF Explorer-class precision, it delivers high-speed capability, reduced friction, and excellent performance under demanding conditions. The C3 axial internal clearance ensures smooth operation, while the non-metallic cage reduces weight and enhances efficiency. Suitable for industrial machinery, pumps, gearboxes, and automation systems, this bearing is a reliable and cost-effective solution for high-load applications.
Specification:
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Bore Diameter: 55 mm
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Outer Diameter: 120 mm
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Width: 49.2 mm
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Contact Angle: 30°
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Load Ratings: 112 kN (dynamic), 81.5 kN (static)
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Speed Rating: 6,000 r/min (reference), 5,300 r/min (limiting)
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Number of Rows: 2
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Cage Type: Non-metallic
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Arrangement: Back-to-back (O)
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Axial Internal Clearance: C3
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Material: Bearing Steel
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Sealing: None (open bearing)
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Lubrication: None (requires external lubrication)
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Net Weight: 2.19 kg
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