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Inch Size Miniature Ball Bearings R1-4 2rs
Inch Size Miniature Ball Bearings R1-4 2rs

Inch Size Miniature Ball Bearings R1-4 2rs

The R1-4 2RS is a miniature ball bearing with a tiny 0.07813″ bore and 0.25″ outer diameter, crafted from durable chrome steel. It handles radial loads up to 54 lbf and spins smoothly at speeds up to 67,000 RPM.

Sealed with nitrile rubber, it keeps dirt out and grease in, making it low-maintenance. The stainless steel cage ensures reliable performance, even in temperatures from -86°F to 230°F.

With an ABEC1 tolerance class, it offers good precision for small applications. Ideal for miniature machinery, dental tools, or hobbyist projects where compact size and reliability matter.

Weighing just 0.53g, it’s lightweight yet sturdy. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number R1-4 2rs
  • Brand TFL
  • System of Measurement Inch
  • Bearing Type Ball
  • For Load Direction Radial
  • Construction Single Row
  • Inner Ring Type Standard
  • Seal Type Sealed
  • Tolerance Class ABEC1
  • Radial Clearance Trade No MC3
  • Radial Clearance 0.00008" to 0.0005"
  • Ball Qty 7
  • Bore Dia 0.07813"
  • Bore Dia Tolerance -0.0003" to 0"
  • Outer Dia 0.25"
  • Outer Dia Tolerance -0.0003" to 0"
  • Width 0.1406"
  • Width Tolerance -0.005" to 0"
  • Ball Dia 0.03941"
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Stainless Steel
  • Shield Material Nitrile Rubber
  • Dynamic Radial Load 54 lbf
  • Static Radial Load 17 lbf
  • Max Speed 67000 rpm
  • Temperature Range -86 to 230 °F
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.53 g
  • Price($) 1.755

Features

How Does R1-4 2rs Bearing Reduce Friction?

R1-4 2rs Bearing features a sealed design with nitrile rubber shields, keeping contaminants out and lubrication in.
Its chrome steel construction ensures smooth operation, reducing friction even at high speeds up to 67,000 rpm.

The stainless steel cage maintains proper ball alignment, minimising wear and extending the bearing’s life.
With a dynamic radial load capacity of 54 lbf, it handles light to moderate loads efficiently.

R1-4 2rs Bearing operates in temperatures from -86 to 230°F, making it versatile for various environments.
Its compact size and precision design make it ideal for miniature applications requiring reliable performance.

Application

Where Is R1-4 2rs Bearing Used?
R1-4 2rs Bearing is commonly used in small electric motors, such as those found in cooling fans or power tools, where its compact size and sealed design keep dust and debris out. The chrome steel construction ensures smooth rotation even in continuous operation.

In automation systems, R1-4 2rs Bearing fits well in robotic joints and miniature conveyor belts, providing reliable radial load support. Its ABEC1 tolerance class makes it suitable for applications requiring consistent performance without excessive precision demands.

For hobbyist projects like RC cars or drones, R1-4 2rs Bearing offers a balance of durability and lightweight design. The nitrile rubber seals help maintain lubrication, extending the bearing’s life in high-speed scenarios.

Medical devices such as dental handpieces benefit from R1-4 2rs Bearing’s small dimensions and resistance to wear. The stainless steel cage adds an extra layer of reliability in sterile environments.

In consumer electronics like printers or small appliances, R1-4 2rs Bearing ensures quiet and efficient operation. Its inch sizing makes it compatible with many North American and UK-made devices.

Q&A

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