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Metric Size Miniature Flanged Ball Bearings SMF128zz

Metric Size Miniature Flanged Ball Bearings SMF128zz

The SMF128zz is a small, shielded ball bearing with an 8mm bore and 12mm outer diameter, crafted entirely from stainless steel for durability. It handles radial loads up to 94 lbf and spins at speeds up to 36,000 RPM, making it suitable for high-speed applications.

Its shielded design helps keep dirt out while maintaining smooth operation, and the stainless steel cage ensures long-term reliability. The bearing requires lubrication for optimal performance and works in temperatures from -30°C to 110°C.

With a compact width of just 3.5mm and a lightweight design at 1.14g, it’s ideal for small machinery or precision instruments. Compliant with RoHS and REACH standards, it’s a safe and practical choice for various industrial uses.

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Product Parameters

  • Part Number SMF128zz
  • Brand TFL
  • System of Measurement Metric
  • Bearing Type Ball
  • 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
  • Flange Outer Dia 13.6 mm
  • Flange Thickness 0.8 mm
  • Radial Clearance 0.002mm to 0.013mm
  • Ball Qty 12
  • Ball Dia 1.2000 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 94 lbf
  • Static Radial Load 44 lbf
  • Max Speed 36000 rpm
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Weight 1.14 g
  • Shield Material 300 Series Stainless Steel
  • Price（$） 1.62
Metric Size Miniature Flanged Ball Bearings SMF128zz dimension drawing
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Features

How Does SMF128zz Bearing Reduce Friction?

SMF128zz Bearing features stainless steel construction, ensuring smooth operation with minimal friction.
Its shielded design protects against contaminants while maintaining low resistance during rotation.

With a dynamic radial load capacity of 94 lbf, it handles moderate loads efficiently.
The precision ABEC1 tolerance ensures consistent performance in high-speed applications.

SMF128zz Bearing operates at up to 36,000 rpm, ideal for fast-moving machinery.
Its stainless steel cage and balls enhance durability, reducing long-term wear.

Designed for radial loads, it fits compact spaces with an 8 mm bore diameter.
The shielded seals help retain lubrication, extending maintenance intervals.

Application

Common Applications of SMF128zz Bearing
SMF128zz Bearing is widely used in small electric motors, such as those found in cooling fans or computer hard drives, thanks to its compact size and shielded design. The stainless steel construction ensures reliable performance in everyday applications.

In automation systems, SMF128zz Bearing supports precise movements in devices like 3D printers or robotic arms. Its high-speed capability makes it suitable for tasks requiring smooth, consistent rotation.

For consumer electronics, SMF128zz Bearing is a go-to choice for items like handheld power tools or small appliances. The shielded seals help keep out dust, extending the bearing’s lifespan in home environments.

Medical devices like dental handpieces also benefit from SMF128zz Bearing’s precision and corrosion resistance. The stainless steel materials meet hygiene standards while handling high-speed rotations.

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