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Self Aligning Ball Bearings 1311 KC3

Self Aligning Ball Bearings 1311 KC3

The 1311 KC3 is a self-aligning ball bearing with a 55mm tapered bore and 120mm outer diameter, built from sturdy chrome steel. It manages radial loads up to 11408 lbf and runs smoothly at speeds up to 7500 RPM.
Its double-row design and open seal allow for easy lubrication and alignment adjustments, while the nylon cage reduces friction. The bearing operates reliably in temperatures from -30°C to 110°C.
With a C3 radial clearance, it accommodates slight misalignments, making it versatile for various setups. Ideal for machinery like conveyors or fans where alignment flexibility is needed.
Weighing 1.6kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe and practical choice for industrial applications.

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Product Parameters

  • Part Number 1311 KC3
  • Brand TFL & OEM
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.015mm to 0
  • Outer Dia 120 mm
  • Outer Dia Tolerance -0.015mm to 0
  • Width 29 mm
  • Width Tolerance -0.15mm to 0
  • External Diameter On Inner Ring 77.9 mm
  • Internal Diameter On Outer Ring 101.4 mm
  • Chamfer Dimension 2 mm
  • System of Measurement Metric
  • Bearing Type Ball
  • Bore Type Taper 1:12
  • For Load Direction Radial
  • Construction Double Row
  • Seal Type Open
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Nylon
  • Dynamic Radial Load 11408 lbf
  • Static Radial Load 4050 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Radial Clearance C3
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 7500 rpm
  • Weight 1.6 kg
  • Price（$） 93.2
Self Aligning Ball Bearings 1311 KC3 dimension drawing
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Features

Why Choose 1311 KC3 Bearing for Precision Tasks?

1311 KC3 Bearing features a double-row design with chrome steel rings and balls, ensuring high radial load capacity.
Its dynamic radial load rating of 11408 lbf makes it suitable for demanding industrial applications.
The nylon cage reduces friction and noise, enhancing smooth operation.
With a maximum speed of 7,500 rpm, it offers reliable performance in various conditions.

Application

Industrial Uses of 1311 KC3 Bearing
1311 KC3 Bearing is commonly used in industrial machinery, especially in applications where misalignment compensation is needed, like conveyor systems and pumps. Its double-row design helps handle radial loads efficiently while maintaining smooth operation.

In automotive applications, 1311 KC3 Bearing works well in gearboxes and wheel hubs, where its tapered bore ensures a secure fit. The chrome steel construction provides durability under varying load conditions.

For automation systems, 1311 KC3 Bearing supports robotic arms and assembly lines, thanks to its self-aligning feature. The nylon cage reduces friction, making it suitable for high-speed operations.

In household appliances like washing machines, 1311 KC3 Bearing offers reliable performance with minimal maintenance. Its C3 radial clearance allows for slight thermal expansion during use.

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