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Self Aligning Ball Bearings 1311 ETN9/C3

Self Aligning Ball Bearings 1311 ETN9/C3

The 1311 ETN9/C3 is a self-aligning ball bearing with a 55mm bore and 120mm outer diameter, crafted from robust chrome steel. It manages radial loads up to 11408 lbf and operates smoothly at speeds up to 7500 RPM.

Its double-row design and open construction allow for easy lubrication and alignment adjustments, while the nylon cage reduces friction. The bearing performs reliably in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings, offering a practical replacement option. Suitable for machinery where misalignment or radial loads are common, such as conveyor systems or agricultural equipment.

Weighing 1.6kg, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 1311 ETN9/C3
  • 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 Cylindrical
  • 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（$） 88.11
Self Aligning Ball Bearings 1311 ETN9/C3 dimension drawing
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Features

Performance Features of 1311 ETN9/C3 Bearing

1311 ETN9/C3 Bearing is built with chrome steel rings and balls, offering strong resistance to radial loads.
Its dynamic radial load capacity reaches 11408 lbf, making it suitable for demanding applications.

The double-row design of 1311 ETN9/C3 Bearing ensures better alignment and reduces stress on the bearing.
With a maximum speed of 7,500 rpm, it balances performance and durability.

1311 ETN9/C3 Bearing operates smoothly in temperatures ranging from -30° to 110°C.
The nylon cage helps reduce friction and noise, enhancing overall efficiency.

Its C3 radial clearance allows for slight misalignment, improving adaptability in various setups.
This feature makes 1311 ETN9/C3 Bearing a reliable choice for industrial applications.

Application

Industrial Uses of 1311 ETN9/C3 Bearing
1311 ETN9/C9 Bearing is commonly used in conveyor systems, where its self-aligning feature compensates for minor misalignments. The double-row design ensures stable performance even under heavy radial loads.

Where Is 1311 ETN9/C3 Bearing Used?
In automotive applications, 1311 ETN9/C3 Bearing fits well in wheel hubs and transmissions, thanks to its durable chrome steel construction. The C3 radial clearance allows for thermal expansion in high-speed scenarios.

Built for Heavy-Duty Use: 1311 ETN9/C3 Bearing
This bearing excels in industrial fans and blowers, where its nylon cage reduces friction and noise. The open seal design simplifies relubrication, extending service life in dusty environments.

Automotive vs Aerospace: Applications of 1311 ETN9/C3 Bearing
While 1311 ETN9/C3 Bearing handles radial loads in car suspensions, it also suits aircraft auxiliary systems due to its temperature resilience. The metric sizing ensures compatibility across global machinery standards.

Perfect Fit for Automation: 1311 ETN9/C3 Bearing
In robotic arms, 1311 ETN9/C3 Bearing offers smooth rotation with minimal maintenance. Its self-aligning capability is ideal for precision movements in automated assembly lines.

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