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Self Aligning Ball Bearings 1211-K C/3
Self Aligning Ball Bearings 1211-K C/3

Self Aligning Ball Bearings 1211-K C/3

The 1211-K C/3 is a self-aligning ball bearing with a 55mm tapered bore and 100mm outer diameter, crafted from sturdy chrome steel. It manages radial loads up to 6210 lbf and operates smoothly at speeds up to 9000 RPM.

Its double-row design and open construction allow for easy lubrication and alignment adjustments, while the nylon cage reduces friction for quieter performance. The bearing works reliably in temperatures ranging 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 0.71kg, it’s a robust yet manageable size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 1211-K C/3
  • Brand TFL & OEM
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.015mm to 0
  • Outer Dia 100 mm
  • Outer Dia Tolerance -0.015mm to 0
  • Width 21 mm
  • Width Tolerance -0.15mm to 0
  • External Diameter On Inner Ring 70.3 mm
  • Internal Diameter On Outer Ring 86.5 mm
  • Chamfer Dimension 1.5 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 6210 lbf
  • Static Radial Load 2385 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Radial Clearance CN
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 9000 rpm
  • Weight 0.71 kg
  • Price($) 34.09

Features

How Is 1211-K C/3 Bearing Engineered for Reliability?

1211-K C/3 Bearing features a double-row design with chrome steel rings and balls, ensuring strong radial load capacity.
Its dynamic radial load rating of 6210 lbf makes it suitable for demanding applications.

The nylon cage helps reduce friction and noise, enhancing smooth operation.
With a maximum speed of 9,000 rpm, it delivers both durability and efficiency.

1211-K C/3 Bearing operates well in temperatures from -30° to 110°C, adapting to various environments.
Its tapered bore design ensures secure fitting and reliable performance.

The open seal type allows for easy lubrication, extending the bearing’s service life.
Its compact size (55 mm×100 mm×21 mm) makes it ideal for space-constrained applications.

Application

Industrial Uses of 1211-K C/3 Bearing
1211-K C/3 Bearing is commonly used in industrial machinery like conveyor systems and pumps, where its self-aligning feature compensates for minor misalignments. The double-row design ensures stable performance under radial loads, making it suitable for heavy-duty applications.

In automotive applications, 1211-K C/3 Bearing fits well in gearboxes and drivetrains, providing smooth operation even under varying load conditions. Its tapered bore design allows for secure mounting, reducing slippage in high-torque scenarios.

For automation equipment, 1211-K C/3 Bearing’s nylon cage reduces friction, enhancing efficiency in robotic arms and assembly lines. The open seal type facilitates easy lubrication, extending the bearing’s service life in continuous-use environments.

Where Is 1211-K C/3 Bearing Used?
You’ll often find 1211-K C/3 Bearing in agricultural machinery, such as harvesters and tractors, where its durability handles rough operating conditions. The chrome steel construction resists wear, ensuring long-term reliability.

In household appliances like washing machines, 1211-K C/3 Bearing’s self-aligning capability reduces noise and vibration. The metric sizing makes it a versatile choice for various European and Asian appliance models.

Built for Heavy-Duty Use: 1211-K C/3 Bearing
1211-K C/3 Bearing excels in construction equipment, where its high dynamic radial load capacity supports heavy machinery components. The lubricated design ensures consistent performance even in dusty environments.

For printing presses, 1211-K C/3 Bearing’s precision alignment maintains print quality by minimizing vibration. The radial clearance (CN) allows for optimal performance under varying thermal conditions.

Automotive vs Aerospace: Applications of 1211-K C/3 Bearing
In automotive systems, 1211-K C/3 Bearing is ideal for wheel hubs and transmissions, offering reliable performance under radial loads. The temperature range (-30° to 110°C) suits both cold and hot climates.

For aerospace ground equipment, 1211-K C/3 Bearing’s lightweight design (0.71 kg) and high-speed capability (9,000 rpm) make it a practical choice. The RoHS compliance ensures it meets environmental standards.

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