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Inch Size Miniature Ball Bearings R4zz
Inch Size Miniature Ball Bearings R4zz

Inch Size Miniature Ball Bearings R4zz

The R4zz is a compact miniature ball bearing with a 0.25″ bore and 0.625″ outer diameter, crafted from durable chrome steel. It handles radial loads up to 283 lbf and spins smoothly at speeds up to 38,000 RPM.

Its shielded design keeps out dust while the stainless steel cage ensures reliable performance. The bearing operates well in temperatures from -86°F to 230°F and requires regular lubrication.

With a lightweight design at just 4.54g, it’s ideal for small applications like electric motors or precision instruments. Compliant with RoHS and REACH standards, it’s a safe choice for various industries.

The ABEC1 tolerance and MC3 radial clearance make it suitable for general-purpose use where moderate precision is needed. Easy to install and maintain, it’s a practical option for many radial load scenarios.

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Product Parameters

  • Part Number R4zz
  • Brand TFL
  • System of Measurement Inch
  • Bearing Type Ball
  • For Load Direction Radial
  • Construction Single Row
  • Inner Ring Type Standard
  • Seal Type Shielded
  • Tolerance Class ABEC1
  • Radial Clearance Trade No MC3
  • Radial Clearance 0.00008" to 0.0005"
  • Ball Qty 8
  • Bore Dia 0.25"
  • Bore Dia Tolerance -0.0003" to 0"
  • Outer Dia 0.625"
  • Outer Dia Tolerance -0.0003" to 0"
  • Width 0.196"
  • Width Tolerance -0.005" to 0"
  • Ball Dia 0.09370"
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Stainless Steel
  • Shield Material 300 Series Stainless Steel
  • Dynamic Radial Load 283 lbf
  • Static Radial Load 112 lbf
  • Max Speed 38000 rpm
  • Temperature Range -86 to 230 °F
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Weight 4.54 g
  • Price($) 0.855

Features

Why Choose R4zz Bearing for Precision Tasks?

R4zz Bearing features a shielded design with stainless steel shields, protecting against dust and debris.
Its chrome steel construction ensures durability and smooth operation in radial load applications.

With a dynamic radial load capacity of 283 lbf, R4zz Bearing handles demanding tasks efficiently.
The ABEC1 tolerance class guarantees consistent performance for precision instruments.

R4zz Bearing operates at speeds up to 38,000 rpm, making it suitable for high-speed applications.
Its compact size (0.25″×0.625″×0.196″) fits seamlessly into miniature assemblies.

The stainless steel cage maintains ball alignment, reducing friction and extending service life.
R4zz Bearing performs reliably in temperatures ranging from -86 to 230 °F.

Application

Ideal for Precision: R4zz Bearing
R4zz Bearing is commonly used in small electric motors and fans, where its compact size and shielded design help keep dust out while maintaining smooth rotation. The chrome steel construction ensures durability even in continuous operation.

In automation systems, R4zz Bearing fits well in miniature gearboxes and robotic joints, thanks to its precise inch sizing and low friction. The ABEC1 tolerance makes it reliable for consistent performance in repetitive tasks.

For consumer electronics like printers and small appliances, R4zz Bearing’s lightweight design and high-speed capability (up to 38,000 rpm) make it a practical choice. The stainless steel cage adds extra resistance to wear in everyday use.

Medical devices such as dental tools often use R4zz Bearing due to its quiet operation and ability to handle radial loads efficiently. The temperature range (-86 to 230°F) also suits various clinical environments.

DIY enthusiasts appreciate R4zz Bearing for projects like model cars or drones, where its small dimensions and ease of lubrication simplify assembly. The shielded seals help prolong its lifespan in hobbyist applications.

Q&A

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