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Miniature Ball Bearings with Extended Inner Ring RW188
Miniature Ball Bearings with Extended Inner Ring RW188

Miniature Ball Bearings with Extended Inner Ring RW188

The RW188 is a miniature ball bearing with an extended inner ring, measuring 0.25″ in bore diameter and 0.5″ in outer diameter. Made from chrome steel, it’s lightweight at just 2.32g but handles radial loads up to 207 lbf.

Its open design and stainless steel cage allow for easy lubrication and smooth operation at speeds up to 40,000 RPM. The extended inner ring provides better alignment and fit in compact spaces.

This bearing is ideal for small machinery or precision instruments where space is limited. It operates in temperatures from -86°F to 230°F, making it versatile for various environments.

Compliant with RoHS and REACH standards, it’s a reliable choice for both industrial and hobbyist applications. The ABEC1 tolerance ensures consistent performance without overcomplicating the design.

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Product Parameters

  • Part Number RW188
  • Brand TFL
  • Interchangeable EZO
  • Bore Dia 0.25"
  • Bore Dia Tolerance -0.0003" to 0"
  • Outer Dia 0.5"
  • Outer Dia Tolerance -0.0003" to 0"
  • Width 0.125"
  • Width Tolerance -0.005" to 0"
  • External Diameter On Inner Ring 0.33"
  • Inner Ring Width 0.1562"
  • Ball Qty 8
  • Ball Dia 0.0787"
  • 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 207 lbf
  • Static Radial Load 80 lbf
  • Temperature Range -86 to 230 °F
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 40000 rpm
  • Weight 2.32 g
  • Price($) 2.655

Features

Performance Features of RW188 Bearing

RW188 Bearing is designed with chrome steel rings and balls, offering reliable performance in radial load applications.
Its dynamic radial load capacity of 207 lbf ensures smooth operation even under stress.

The extended inner ring design of RW188 Bearing provides easier mounting and better alignment.
With a maximum speed of 40,000 rpm, it is suitable for high-speed applications.

RW188 Bearing operates efficiently in a wide temperature range from -86 to 230 °F.
The stainless steel cage maintains ball alignment, reducing friction and wear.

RW188 Bearing’s compact size and lightweight design make it ideal for miniature applications.
Its ABEC1 tolerance class ensures consistent performance in precision tasks.

Application

Essential Roles of RW188 Bearing
RW188 Bearing is commonly used in small electric motors, where its extended inner ring helps with precise alignment and easy installation. The open design allows for straightforward lubrication, ensuring smooth operation in compact spaces.

Where Is RW188 Bearing Used?
You’ll often find RW188 Bearing in hobbyist projects like RC cars and drones, thanks to its lightweight and high-speed capabilities. Its chrome steel construction also makes it reliable for prolonged use in these applications.

Built for Versatility: RW188 Bearing
In office equipment like printers and scanners, RW188 Bearing provides quiet and efficient performance. The stainless steel cage adds durability, making it suitable for frequent use in these devices.

Automotive vs Aerospace: Applications of RW188 Bearing
While RW188 Bearing fits well in small automotive components like sensors, its high-speed tolerance also makes it useful in aerospace instrumentation. The inch sizing ensures compatibility with various international standards.

How Does RW188 Bearing Support High-Speed Operations?
RW188 Bearing handles high RPMs effortlessly, making it ideal for dental handpieces and other medical tools. The ABEC1 tolerance ensures consistent performance in these precision-driven environments.

Q&A

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