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Inch Size Miniature Ball Bearings R156 2rs

Inch Size Miniature Ball Bearings R156 2rs

The R156 2RS is a compact miniature ball bearing, measuring just 0.1875″ by 0.3125″ by 0.125″. Made from chrome steel with stainless steel cages, it’s built for durability in small spaces.

This sealed bearing handles radial loads up to 69 lbf and spins smoothly at speeds up to 53,000 RPM. Its nitrile rubber shields keep out dust and dirt, making maintenance easier.

With a temperature range of -86°F to 230°F, it’s versatile for various environments. The ABEC1 tolerance ensures reliable performance without being overly precise.

Ideal for small machinery, hobby projects, or precision instruments where space is limited. Weighing only 0.45g, it’s lightweight yet sturdy for its size. Compliant with RoHS and REACH standards.

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Product Parameters

  • Part Number R156 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 10
  • Bore Dia 0.1875"
  • Bore Dia Tolerance -0.0003" to 0"
  • Outer Dia 0.3125"
  • Outer Dia Tolerance -0.0003" to 0"
  • Width 0.125"
  • 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 69 lbf
  • Static Radial Load 27 lbf
  • Max Speed 53000 rpm
  • Temperature Range -86 to 230 °F
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.45 g
  • Price（$） 1.035
Inch Size Miniature Ball Bearings R156 2rs dimension drawing
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Features

How Does R156 2rs Bearing Reduce Friction?

R156 2rs Bearing features chrome steel rings and balls, designed to minimise friction during operation.
Its sealed construction with nitrile rubber shields helps keep contaminants out, ensuring smooth performance.

The stainless steel cage maintains proper ball alignment, reducing wear and extending the bearing’s life.
With a maximum speed of 53,000 rpm, it offers efficient performance in compact applications.

R156 2rs Bearing operates in temperatures from -86 to 230 °F, making it versatile for various environments.
Its ABEC1 tolerance class ensures reliable precision for radial load applications.

Application

Where Is R156 2rs Bearing Used?
R156 2rs Bearing is commonly used in small electric motors and precision instruments, where its compact inch size and sealed design help keep out dust and debris. The chrome steel construction ensures durability in continuous operation.

In automation systems, R156 2rs Bearing fits well in robotic joints and small actuators, providing smooth radial load support. Its ABEC1 tolerance makes it reliable for applications needing consistent performance without excessive precision demands.

For consumer electronics like printers and small fans, R156 2rs Bearing’s lightweight design and nitrile rubber seals extend service life. The low maintenance requirement is a plus for devices used in everyday settings.

Medical devices such as dental tools benefit from R156 2rs Bearing’s resistance to wear and ability to handle moderate speeds. The stainless steel cage adds an extra layer of reliability in sterile environments.

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