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Self Aligning Ball Bearings 1218 K/C4

Self Aligning Ball Bearings 1218 K/C4

The 1218 K/C4 is a self-aligning ball bearing with a 90mm tapered bore and 160mm outer diameter, crafted from sturdy chrome steel. It manages radial loads up to 12870 lbf and operates smoothly at speeds reaching 5300 RPM.

Its double-row design and open seal allow for easy lubrication, while the nylon cage reduces friction for quieter performance. The bearing functions reliably in temperatures from -30°C to 110°C.

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

Weighing 2.4kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, ensuring safe and eco-friendly use.

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Product Parameters

  • Part Number 1218 K/C4
  • Brand TFL & OEM
  • Interchangeable SKF
  • Bore Dia 90 mm
  • Bore Dia Tolerance -0.02mm to 0
  • Outer Dia 160 mm
  • Outer Dia Tolerance -0.025mm to 0
  • Width 30 mm
  • Width Tolerance -0.2mm to 0
  • External Diameter On Inner Ring 112.5 mm
  • Internal Diameter On Outer Ring 138.7 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 12870 lbf
  • Static Radial Load 5310 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Radial Clearance C4
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 5300 rpm
  • Weight 2.4 kg
  • Price（$） 153.33
Self Aligning Ball Bearings 1218 K/C4 dimension drawing
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Features

Why Choose 1218 K/C4 Bearing for Precision Tasks?

1218 K/C4 Bearing features a double-row design with chrome steel rings and balls, ensuring high radial load capacity.
Its dynamic radial load reaches 12870 lbf, making it suitable for demanding applications.

The nylon cage maintains ball alignment, reducing friction and noise during operation.
With a maximum speed of 5,300 rpm, it offers both durability and smooth performance.

1218 K/C4 Bearing operates efficiently in temperatures ranging from -30° to 110°C.
Its C4 radial clearance provides flexibility in various operating conditions.

The open design simplifies maintenance, while the tapered bore ensures secure fitting.
This bearing is ideal for applications requiring precision and reliability.

Application

Industrial Uses of 1218 K/C4 Bearing
The 1218 K/C4 Bearing is commonly used in heavy machinery, such as conveyor systems and industrial fans, where its self-aligning feature helps compensate for misalignment. Its double-row design provides reliable radial load support, making it suitable for demanding environments.

In automotive applications, 1218 K/C4 Bearing can be found in gearboxes and drivetrains, where its tapered bore ensures a secure fit. The chrome steel construction offers durability, even under continuous use.

For automation equipment, 1218 K/C4 Bearing’s nylon cage reduces friction, enhancing efficiency in robotic arms and assembly lines. The open seal design allows for easy lubrication, extending its service life.

Medical devices like diagnostic scanners benefit from 1218 K/C4 Bearing’s precision and smooth operation. Its C4 radial clearance ensures consistent performance in sensitive applications.

Q&A

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