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Metric Size Standard Miniature Ball Bearings MR41x

Metric Size Standard Miniature Ball Bearings MR41x

The MR41x is a compact miniature ball bearing with a 1.2mm bore and 4mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 25 lbf and spins smoothly at speeds up to 105,000 RPM.

Its open design makes lubrication straightforward, while the stainless steel cage ensures reliable performance. The bearing operates well in temperatures from -30°C to 110°C.

With a lightweight build at just 0.11g, it’s ideal for small, precision applications like dental tools or miniature motors. The ABEC1 tolerance and MC3 radial clearance offer consistent performance for everyday use.

Compliant with RoHS and REACH standards, it’s a safe and practical choice for various light-duty applications. Its small size and efficiency make it a go-to for compact mechanical designs.

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Product Parameters

  • Part Number MR41x
  • Brand TFL
  • Interchangeable EZO
  • Bore Dia 1.2 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 4 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 1.8 mm
  • Width Tolerance -0.12mm to 0
  • Ball Qty 7
  • Ball Dia 0.6000 mm
  • Radial Clearance 0.002mm to 0.013mm
  • Seal Type Open
  • 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
  • Dynamic Radial Load 25 lbf
  • Static Radial Load 7 lbf
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 105000 rpm
  • Weight 0.11 g
  • Price（$） 13.05
Metric Size Standard Miniature Ball Bearings MR41x dimension drawing
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Features

Engineered for Precision: MR41x Bearing

MR41x Bearing features a compact design with dimensions of 1.2 mm×4 mm×1.8 mm, making it ideal for miniature applications.
The chrome steel rings and balls ensure durability and smooth operation under radial loads.

With a dynamic radial load capacity of 25 lbf, MR41x Bearing performs reliably in high-speed environments.
Its maximum speed of 105,000 rpm is achieved through precise engineering and quality materials.

The stainless steel cage maintains ball alignment, reducing friction and extending bearing life.
MR41x Bearing operates efficiently within a temperature range of -30° to 110 °C.

Designed for easy lubrication, MR41x Bearing requires minimal maintenance.
Its ABEC1 tolerance class ensures consistent performance in various applications.

Application

Common Applications of MR41x Bearing
MR41x Bearing is commonly used in small electronic devices like miniature fans and precision instruments, where its compact size and smooth operation are essential. The open design allows for easy lubrication, ensuring long-lasting performance in tight spaces.

In robotics, MR41x Bearing fits well in compact joints and small actuators, providing reliable movement with minimal friction. Its chrome steel construction makes it suitable for repetitive motions in automated systems.

For medical devices, MR41x Bearing works efficiently in delicate equipment such as dental tools or surgical instruments. The stainless steel cage helps maintain hygiene and durability in sterile environments.

MR41x Bearing also finds its place in hobbyist projects, like model trains or drones, where precision and lightweight components are key. Its high-speed capability ensures smooth operation even in demanding small-scale applications.

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