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Self Aligning Ball Bearings 1203

Self Aligning Ball Bearings 1203

The 1203 is a self-aligning ball bearing with a 17mm bore and 40mm outer diameter, compact at just 12mm wide. Made from chrome steel, it handles radial loads up to 1989 lbf and spins smoothly at speeds up to 24,000 RPM.
Its double-row design allows slight misalignment, reducing stress on the bearing. The nylon cage ensures quiet operation and durability, while the open seal makes lubrication easy.
This model works in temperatures from -30°C to 110°C and is interchangeable with SKF bearings. Ideal for applications like conveyor systems or electric motors where alignment flexibility is needed.
Weighing only 0.073kg, it’s lightweight yet robust. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 1203
  • Brand TFL & OEM
  • Interchangeable SKF
  • Bore Dia 17 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 40 mm
  • Outer Dia Tolerance -0.011mm to 0
  • Width 12 mm
  • Width Tolerance -0.12mm to 0
  • External Diameter On Inner Ring 24 mm
  • Internal Diameter On Outer Ring 32.9 mm
  • Chamfer Dimension 0.6 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 1989 lbf
  • Static Radial Load 495 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Radial Clearance CN
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 24000 rpm
  • Weight 0.073 kg
Self Aligning Ball Bearings 1203 dimension drawing
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Features

Why Choose 1203 Bearing for Precision Tasks?

1203 Bearing features a double-row design with chrome steel rings and balls, ensuring smooth radial load handling.
Its dynamic radial load capacity of 1989 lbf makes it suitable for various precision applications.
The nylon cage helps maintain ball alignment, reducing friction and noise during operation.
With a maximum speed of 24,000 rpm, it offers both durability and high-speed performance.

Application

Key Fields for 1203 Bearing
1203 Bearing is commonly used in industrial machinery like conveyor systems, where its self-aligning feature compensates for minor misalignments. The double-row design provides reliable radial load support, ideal for continuous operation.

In automotive applications, 1203 Bearing fits well in components such as alternators and water pumps, thanks to its compact size and high-speed capability. The nylon cage reduces friction, ensuring smoother performance in engine compartments.

For automation equipment, 1203 Bearing works efficiently in robotic arms and assembly lines, where precision and durability are key. Its open seal type allows for easy lubrication, extending service life in demanding environments.

In household appliances like washing machines, 1203 Bearing handles radial loads while reducing noise. The chrome steel construction ensures long-term reliability even with frequent use.

Q&A

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