Description
3311 2RS SDKF – Double-Row Angular Contact Ball Bearing
The 3311 2RS SDKF is a high-precision double-row angular contact ball bearing designed to handle combined radial and axial loads in both directions. The “2RS” feature indicates double rubber seals, providing excellent protection against dust, dirt, and moisture, while ensuring long-lasting, low-friction operation. This bearing is suitable for heavy-duty industrial machinery, gearboxes, pumps, and high-speed equipment requiring accurate alignment and robust performance.
Specifications:
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Bore (Inner Diameter): 55 mm
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Outer Diameter: 120 mm
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Width: 43 mm
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Bearing Type: Double-row angular contact ball bearing
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Seals: Rubber seals on both sides (2RS)
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Cage Material: Steel/polyamide (varies by manufacturer)
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Series / Grade: SDKF
Features:
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Handles combined radial and axial loads
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Double-row design improves load distribution and rigidity
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Smooth, low-friction rotation for high-speed applications
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Sealed design protects against contamination and retains lubrication
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Durable and reliable for industrial machinery, gearboxes, and precision equipment




