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Metric Size Standard Miniature Ball Bearings MR128zz
Metric Size Standard Miniature Ball Bearings MR128zz

Metric Size Standard Miniature Ball Bearings MR128zz

The MR128zz is a compact miniature ball bearing with an 8mm bore and 12mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 104 lbf and spins smoothly at speeds up to 40,000 RPM.
Its shielded design keeps dirt out while maintaining easy lubrication access. The stainless steel cage and balls ensure reliable performance in temperatures from -30°C to 110°C.
With a lightweight design at just 0.99g, it’s ideal for small applications like drones or precision instruments. Compliant with RoHS and REACH standards, it’s a safe choice for various industries.

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Product Parameters

  • Part Number MR128zz
  • Brand TFL
  • Interchangeable EZO
  • Bore Dia 8 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 12 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 3.5 mm
  • Width Tolerance -0.12mm to 0
  • Ball Qty 12
  • Ball Dia 1.2000 mm
  • Radial Clearance 0.002mm to 0.013mm
  • Seal Type Shielded
  • System of Measurement Metric
  • Bearing Type Ball
  • For Load Direction Radial
  • Construction Single Row
  • Inner Ring Type Standard
  • Tolerance Class ABEC1
  • Radial Clearance Trade No MC3
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Stainless Steel
  • Shield Material 300 Series Stainless Steel
  • Dynamic Radial Load 104 lbf
  • Static Radial Load 49 lbf
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 40000 rpm
  • Weight 0.99 g
  • Price($) 1.035

Features

Why Choose MR128zz Bearing for Precision Tasks?

MR128zz Bearing features a shielded design, protecting against dust and debris while maintaining smooth operation.
Its chrome steel construction ensures durability and resistance to wear in radial load applications.

With a dynamic radial load capacity of 104 lbf, MR128zz Bearing handles precise movements efficiently.
The stainless steel cage keeps the 12 balls aligned, reducing friction and noise.

MR128zz Bearing operates at speeds up to 40,000 rpm, making it suitable for high-speed applications.
Its compact size (8 mm×12 mm×3.5 mm) allows for easy integration into miniature devices.

The ABEC1 tolerance class ensures consistent performance in precision instruments.
MR128zz Bearing works within a temperature range of -30° to 110 °C, adapting to various environments.

Application

Essential Roles of MR128zz Bearing
MR128zz Bearing is commonly used in small electric motors, where its compact size and shielded design help maintain smooth operation. The chrome steel construction ensures durability even in high-speed applications.

Where Is MR128zz Bearing Used?
You’ll often find MR128zz Bearing in consumer electronics like cooling fans and printers, where its low noise and reliable performance are key. Its metric sizing makes it a versatile choice for various devices.

Built for Precision: MR128zz Bearing
MR128zz Bearing works well in medical devices such as dental tools, thanks to its precise tolerances and smooth rotation. The stainless steel cage adds extra resistance to wear in demanding conditions.

Automotive vs Industrial: Applications of MR128zz Bearing
In automotive applications, MR128zz Bearing supports small components like sensors and actuators. For industrial use, it fits well in miniature machinery requiring consistent radial load handling.

Perfect Fit for Automation: MR128zz Bearing
MR128zz Bearing is ideal for robotic arms and 3D printers, where its lightweight design and high-speed capability enhance performance. The shielded seals also help keep contaminants out.

Q&A

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