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Self Aligning Ball Bearings 1321-KM

Self Aligning Ball Bearings 1321-KM

The 1321-KM is a self-aligning ball bearing with a 105mm tapered bore and 155mm outer diameter, crafted from durable 52100 chrome steel. Its brass cage ensures smooth operation, even at speeds up to 2150 RPM.

The open design allows for easy lubrication, while the tapered bore provides a secure fit on shafts. It operates efficiently in temperatures ranging from -30°C to 110°C.

This bearing is interchangeable with SKF models, making it a practical choice for replacements. Ideal for machinery where misalignment or thrust loads are a concern, such as conveyor systems or agricultural equipment.

Weighing 2.61kg, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards, it’s safe for various industrial applications.

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Product Parameters

  • Part Number 1321-KM
  • Brand TFL & OEM
  • Interchangeable SKF
  • Bore Dia 105 mm
  • Bore Dia Tolerance -0.02mm to 0
  • Outer Dia 155 mm
  • Outer Dia Tolerance -0.025mm to 0
  • Width 46 mm
  • Width Tolerance +0.025mm to -0.3mm
  • Chamfer Dimension 1 mm
  • System of Measurement Metric
  • Bearing Type Ball
  • Bore Type Taper 1:12
  • For Load Direction Thrust
  • Seal Type Open
  • Ring Material 52100 Chrome Steel
  • Ball Material 52100 Chrome Steel
  • Cage Material Brass
  • Dynamic Radial Load 8665 lbf
  • Static Radial Load 71890 lbf
  • Lubrication Required
  • Temperature Range -30° to 110 °C
  • Radial Clearance CN
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 2150 rpm
  • Weight 2.61 kg
  • Price（$） 749.26
Self Aligning Ball Bearings 1321-KM dimension drawing
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Features

How Does 1321-KM Bearing Ensure Smooth Operation?

1321-KM Bearing features a taper bore design (1:12 ratio), allowing for precise alignment and reducing stress during operation.
Its chrome steel rings and balls provide durability, while the brass cage ensures smooth movement under thrust loads.

With a maximum speed of 2,150 rpm, 1321-KM Bearing maintains stable performance in various applications.
The open seal design simplifies lubrication, ensuring consistent operation within a temperature range of -30° to 110°C.

Application

Industrial Uses of 1321-KM Bearing
1321-KM Bearing is commonly used in heavy machinery, such as conveyor systems and industrial mixers, where its self-aligning feature compensates for minor misalignments. The brass cage ensures smooth operation even under continuous use.

What Makes 1321-KM Bearing a Preferred Choice?
With its tapered bore design, 1321-KM Bearing fits securely in applications like agricultural equipment, reducing slippage and wear. The chrome steel construction provides excellent durability in demanding environments.

Built for Heavy-Duty Use: 1321-KM Bearing
1321-KM Bearing excels in construction equipment, where its open design allows for easy lubrication and maintenance. The metric sizing ensures compatibility with a variety of machinery across different regions.

Automotive vs Aerospace: Applications of 1321-KM Bearing
In automotive systems, 1321-KM Bearing supports components like gearboxes, handling thrust loads effectively. Its temperature range also makes it suitable for aerospace applications where reliability is key.

Perfect Fit for Automation: 1321-KM Bearing
1321-KM Bearing is ideal for robotic arms and automated production lines, offering precise movement and low friction. The brass cage reduces vibration, enhancing performance in high-speed operations.

Q&A

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