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Metric Size Miniature Flanged Ball Bearings SF688zz
Metric Size Miniature Flanged Ball Bearings SF688zz

Metric Size Miniature Flanged Ball Bearings SF688zz

The SF688zz is a small, shielded ball bearing with an 8mm bore and 16mm outer diameter, crafted entirely from stainless steel for durability. It handles radial loads up to 216 lbf and spins at speeds up to 32,400 RPM, making it suitable for high-speed applications.

Its shielded design helps keep dirt out while retaining lubrication, and the stainless steel cage ensures smooth operation. The bearing works in temperatures from -30°C to 110°C, offering reliable performance in various conditions.

With a lightweight build at just 4.51g, it’s ideal for compact devices like small motors or precision instruments. Compliant with RoHS and REACH standards, it’s a safe and practical choice for everyday use.

The flange design (18mm outer diameter) adds stability, making installation easier in tight spaces. Perfect for hobbyist projects or light industrial machinery where space and speed are key.

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Product Parameters

  • Part Number SF688zz
  • Brand TFL
  • System of Measurement Metric
  • Bearing Type Ball
  • Bore Dia 8 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 16 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 5 mm
  • Width Tolerance -0.12mm to 0
  • Flange Outer Dia 18 mm
  • Flange Thickness 1.1 mm
  • Radial Clearance 0.002mm to 0.013mm
  • Ball Qty 10
  • Ball Dia 2.0000 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 216 lbf
  • Static Radial Load 96 lbf
  • Max Speed 32400 rpm
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Weight 4.51 g
  • Shield Material 300 Series Stainless Steel
  • Price($) 1.62

Features

How Does SF688zz Bearing Reduce Friction?

SF688zz Bearing features stainless steel rings and balls, ensuring smooth operation with minimal friction.
Its shielded design protects against contaminants, maintaining consistent performance over time.
With a dynamic radial load capacity of 216 lbf, it handles moderate loads efficiently.
The ABEC1 tolerance class ensures reliable precision for various applications.

Engineered for Precision: SF688zz Bearing

SF688zz Bearing is crafted with stainless steel components, offering excellent corrosion resistance.
Its 10-ball design provides balanced load distribution, enhancing durability.
The shielded seals keep lubrication in and debris out, reducing maintenance needs.
With a maximum speed of 32,400 rpm, it excels in high-speed applications.

Structural Advantages of SF688zz Bearing

SF688zz Bearing’s single-row construction ensures compactness and ease of installation.
The stainless steel cage maintains ball alignment, preventing premature wear.
Its radial clearance of 0.002mm to 0.013mm allows for smooth rotation.
The flange design adds stability, making it suitable for precise machinery.

Application

Common Applications of SF688zz Bearing
SF688zz Bearing is widely used in small electric motors, such as those found in cooling fans and power tools, thanks to its compact size and smooth operation. The shielded design helps keep contaminants out while maintaining low friction.

In automation systems, SF688zz Bearing ensures reliable performance in robotic arms and precision equipment, where consistent movement is key. Its stainless steel construction also makes it suitable for environments where corrosion resistance matters.

For consumer electronics like printers and small appliances, SF688zz Bearing provides quiet and efficient rotation. The high-speed capability makes it a dependable choice for devices requiring long-lasting performance.

Medical devices, such as dental tools and lab equipment, benefit from SF688zz Bearing’s precision and cleanliness. The ABEC1 tolerance ensures smooth operation in sensitive applications.

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