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Metric Size Standard Miniature Ball Bearings SMR41x

Metric Size Standard Miniature Ball Bearings SMR41x

The SMR41x is a compact miniature ball bearing, measuring just 1.2mm by 4mm by 1.8mm, crafted entirely from stainless steel for durability. It handles radial loads up to 23 lbf and spins at speeds up to 130,000 RPM, making it a speedy little performer.

Its open design and ABEC1 tolerance ensure smooth operation, while the stainless steel cage adds longevity. The bearing requires lubrication to maintain optimal performance.

With a temperature range of -30°C to 110°C, it’s versatile for various environments. Ideal for small devices like precision instruments or miniature motors where space is limited.

Weighing only 0.11g, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it’s a reliable choice for eco-conscious applications.

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Product Parameters

  • Part Number SMR41x
  • 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 Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 23 lbf
  • Static Radial Load 7 lbf
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 130000 rpm
  • Weight 0.11 g
  • Price（$） 13.95
Metric Size Standard Miniature Ball Bearings SMR41x dimension drawing
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Features

Performance Features of SMR41x Bearing

SMR41x Bearing is crafted with stainless steel rings and balls, offering corrosion resistance and durability.
Its compact size of 1.2 mm×4 mm×1.8 mm makes it ideal for miniature applications.
The single-row design ensures smooth radial load handling, with a dynamic radial load capacity of 23 lbf.
With a maximum speed of 130,000 rpm, it delivers efficient performance in high-speed scenarios.

Application

Common Applications of SMR41x Bearing
SMR41x Bearing is widely used in small industrial devices like precision instruments and miniature motors, where its compact size and radial load capacity are beneficial. The stainless steel construction ensures durability in various operating conditions.

In consumer electronics, SMR41x Bearing can be found in devices such as small fans and handheld tools, providing smooth rotation with minimal maintenance. Its lightweight design makes it ideal for portable applications.

For medical equipment, SMR41x Bearing offers reliable performance in delicate instruments like dental drills or lab devices. The open design allows for easy lubrication, extending its service life in high-use scenarios.

Automotive applications for SMR41x Bearing include small actuators and sensors, where its precision and durability are essential. The metric sizing ensures compatibility with a range of vehicle components.

In automation and robotics, SMR41x Bearing supports precise movements in miniature robotic arms or 3D printers. Its high-speed capability and low friction contribute to efficient operation.

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