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Miniature Ball Bearings with Extended Inner Ring RW156

Miniature Ball Bearings with Extended Inner Ring RW156

The RW156 is a compact ball bearing with an extended inner ring, measuring 0.1875″×0.3125″×0.1406″. Made from chrome steel, it’s built for radial loads and spins smoothly at high speeds up to 53,000 RPM.

Its open design and stainless steel cage make maintenance straightforward, while the extended inner ring offers easier mounting. The bearing handles dynamic radial loads up to 69 lbf.

Ideal for small machinery or precision instruments where space is limited. It operates in temperatures from -86°F to 230°F and requires regular lubrication.

Weighing just 0.45g, it’s lightweight yet durable. Compliant with RoHS and REACH standards, it’s a reliable choice for various applications.

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Product Parameters

  • Part Number RW156
  • Brand TFL
  • Interchangeable EZO
  • Bore Dia 0.1875"
  • Bore Dia Tolerance -0.0003" to 0"
  • Outer Dia 0.3125"
  • Outer Dia Tolerance -0.0003" to 0"
  • Width 0.1094"
  • Width Tolerance -0.005" to 0"
  • External Diameter On Inner Ring 0.221"
  • Inner Ring Width 0.1406"
  • Ball Qty 10
  • Ball Dia 0.0394"
  • Radial Clearance 0.00008" to 0.0005"
  • System of Measurement Inch
  • Seal Type Open
  • Bearing Type Ball
  • For Load Direction Radial
  • Construction Single Row
  • Inner Ring Type Extended
  • Tolerance Class ABEC1
  • Radial Clearance Trade No MC3
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 69 lbf
  • Static Radial Load 27 lbf
  • Temperature Range -86 to 230 °F
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 53000 rpm
  • Weight 0.45 g
  • Price（$） 2.655
Miniature Ball Bearings with Extended Inner Ring RW156 dimension drawing
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Features

Why Choose RW156 Bearing for Precision Tasks?

RW156 Bearing features an extended inner ring, making it ideal for precise radial load applications.
Its chrome steel construction ensures durability while maintaining smooth operation under dynamic loads.

With a maximum speed of 53,000 rpm, RW156 Bearing delivers reliable performance in high-speed settings.
The stainless steel cage keeps the balls aligned, reducing friction and extending service life.

Designed for temperatures ranging from -86 to 230 °F, RW156 Bearing performs well in varying conditions.
Its compact size and lightweight design make it suitable for miniature applications.

Application

Ideal for Precision: RW156 Bearing
The RW156 Bearing is commonly used in small electric motors and precision instruments, where its extended inner ring provides better alignment and stability. Its compact size makes it suitable for tight spaces without compromising performance.

In robotics, RW156 Bearing ensures smooth movement in joints and actuators, thanks to its high-speed capability and radial load support. The chrome steel construction offers durability even in continuous operation scenarios.

For consumer electronics like printers and small fans, RW156 Bearing’s lightweight design and low friction contribute to quieter operation. The open seal allows for easy lubrication, extending the bearing’s lifespan in everyday devices.

Medical devices such as dental tools benefit from RW156 Bearing’s precise tolerances and reliable performance. The stainless steel cage ensures minimal wear, making it a dependable choice for critical applications.

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