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Metric Size Miniature Flanged Ball Bearings SMF85zz

Metric Size Miniature Flanged Ball Bearings SMF85zz

The SMF85zz is a small, shielded radial ball bearing with a 5mm bore and 8mm outer diameter, crafted entirely from stainless steel for durability. It handles radial loads up to 37 lbf and spins smoothly at speeds up to 47,700 RPM.

Its shielded design keeps out dust while allowing easy lubrication, and the stainless steel cage ensures long-lasting performance. The bearing operates well in temperatures from -30°C to 110°C.

With a compact width of just 2.5mm and a lightweight 0.42g design, it fits neatly into tight spaces. Ideal for small devices like miniature motors or precision instruments where reliability matters.

Compliant with RoHS and REACH standards, it’s a safe choice for various applications. The flange adds extra stability during installation, making it user-friendly for maintenance.

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Product Parameters

  • Part Number SMF85zz
  • Brand TFL
  • System of Measurement Metric
  • Bearing Type Ball
  • Bore Dia 5 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 8 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 2.5 mm
  • Width Tolerance -0.12mm to 0
  • Flange Outer Dia 9.2 mm
  • Flange Thickness 0.6 mm
  • Radial Clearance 0.002mm to 0.013mm
  • Ball Qty 9
  • Ball Dia 0.8000 mm
  • For Load Direction Radial
  • Construction Single Row
  • Inner Ring Type Standard
  • Seal Type Shielded
  • Tolerance Class ABEC1
  • Radial Clearance Trade No MC3
  • Ring Material Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 37 lbf
  • Static Radial Load 15 lbf
  • Max Speed 47700 rpm
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.42 g
  • Shield Material 300 Series Stainless Steel
  • Price（$） 1.62
Metric Size Miniature Flanged Ball Bearings SMF85zz dimension drawing
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Features

How Does SMF85zz Bearing Reduce Friction?

SMF85zz Bearing features stainless steel rings and balls, ensuring smooth operation with minimal friction.
The shielded design helps keep contaminants out, maintaining consistent performance over time.

With a dynamic radial load capacity of 37 lbf, it handles light to moderate loads efficiently.
Its high-speed capability of 47,700 rpm makes it suitable for precision applications.

The stainless steel cage ensures proper ball alignment, reducing wear and extending service life.
SMF85zz Bearing operates reliably within a temperature range of -30° to 110°C.

Application

Practical Applications of SMF85zz Bearing
SMF85zz Bearing is commonly used in small electric motors, such as those found in cooling fans or miniature appliances, thanks to its compact size and shielded design. The stainless steel construction ensures it performs well in environments where corrosion resistance is needed.

In automation equipment, SMF85zz Bearing supports precise movements in devices like 3D printers or robotic arms. Its high-speed capability makes it suitable for applications requiring smooth, consistent rotation.

For consumer electronics, SMF85zz Bearing is ideal for gadgets like handheld tools or portable devices, where space is limited but reliability is key. The lightweight design also helps reduce overall product weight without sacrificing performance.

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