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Self Aligning Ball Bearings 1211 K

Self Aligning Ball Bearings 1211 K

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

Its double-row design and open seal type allow for easy lubrication and maintenance, while the nylon cage reduces noise and wear. The bearing performs reliably in temperatures ranging from -30°C to 110°C.

This model is interchangeable with SKF bearings, making it a practical choice for replacements. Suitable for applications like conveyor systems or agricultural machinery where misalignment might occur.

Weighing 0.71kg, it’s a robust yet manageable option for industrial use. Compliant with RoHS and REACH standards for environmental safety.

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Product Parameters

  • Part Number 1211 K
  • 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（$） 51.13
Self Aligning Ball Bearings 1211 K dimension drawing
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Features

How Does 1211 K Bearing Reduce Friction?

1211 K Bearing features a double-row ball design with chrome steel rings and balls, ensuring smooth radial load distribution.
Its nylon cage minimises friction, allowing for quieter operation and reduced energy consumption.

The bearing’s tapered bore design simplifies installation, enhancing alignment accuracy.
With a maximum speed of 9,000 rpm, it delivers reliable performance in various applications.

1211 K Bearing operates efficiently within a temperature range of -30° to 110°C.
Its open seal type facilitates easy lubrication, extending maintenance intervals.

Application

Industrial Uses of 1211 K Bearing
1211 K Bearing is commonly used in conveyor systems and material handling equipment, where its self-aligning feature compensates for minor shaft misalignments.
The double-row design provides reliable radial load support, making it suitable for heavy-duty industrial environments.

Where Is 1211 K Bearing Used?
In automotive applications, 1211 K Bearing can be found in gearboxes and drivetrains, where its taper bore ensures a secure fit.
The chrome steel construction offers durability, even under continuous use in demanding conditions.

Perfect Fit for Automation: 1211 K Bearing
For robotic arms and automated machinery, 1211 K Bearing’s self-aligning capability reduces wear and tear caused by misalignment.
Its nylon cage contributes to smoother operation, which is essential for precision movements in automation.

Medical vs Industrial: Where 1211 K Bearing Excels
While 1211 K Bearing is robust enough for industrial machinery, its precision also makes it suitable for medical imaging devices.
The lubricated design ensures quiet operation, which is critical in both hospital and factory settings.

Light-Duty vs Heavy-Duty: Best Uses for 1211 K Bearing
In light-duty applications like small fans, 1211 K Bearing provides long-lasting performance with minimal maintenance.
For heavier loads, such as in pumps or compressors, its dynamic radial load capacity ensures reliable operation.

Q&A

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