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Metric Size Standard Miniature Ball Bearings 688 2rs
Metric Size Standard Miniature Ball Bearings 688 2rs

Metric Size Standard Miniature Ball Bearings 688 2rs

The 688 2rs is a compact, sealed ball bearing measuring 8mm by 16mm by 5mm, crafted from chrome steel for durability. It supports radial loads up to 239 lbf and can spin at speeds up to 36,000 RPM.

Its double rubber seals keep dirt out and grease in, making it low-maintenance. The stainless steel cage ensures smooth operation even at high speeds.

This bearing is ideal for small machinery, electric motors, or hobbyist projects where space is limited. It performs well in temperatures from -30°C to 110°C.

Weighing just 4.05g, it’s lightweight yet sturdy. Compliant with RoHS and REACH standards, it’s a reliable choice for various applications.

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Product Parameters

  • Part Number 688 2rs
  • Brand TFL
  • Interchangeable EZO
  • 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
  • Ball Qty 10
  • Ball Dia 2.0000 mm
  • Radial Clearance 0.002mm to 0.013mm
  • Seal Type Sealed
  • 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
  • Shield Material Nitrile Rubber
  • Dynamic Radial Load 239 lbf
  • Static Radial Load 107 lbf
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 36000 rpm
  • Weight 4.05 g
  • Price($) 1.035

Features

Why Choose 688 2rs Bearing for Precision Tasks?

688 2rs Bearing features a sealed design with nitrile rubber shields, protecting against dust and moisture.
Its chrome steel construction ensures durability and smooth operation in radial load applications.
With a dynamic radial load capacity of 239 lbf, it handles demanding tasks efficiently.
The bearing’s ABEC1 tolerance class guarantees consistent performance for precision instruments.

How Is 688 2rs Bearing Engineered for Reliability?

688 2rs Bearing’s stainless steel cage maintains ball alignment, reducing friction and wear.
Its chrome steel rings and balls provide excellent resistance to corrosion and heavy loads.
The sealed design keeps contaminants out, ensuring long-lasting performance.
With a maximum speed of 36,000 rpm, it delivers reliable operation in high-speed applications.

Designed for Durability: 688 2rs Bearing

688 2rs Bearing is built with high-quality chrome steel for enhanced strength and longevity.
The nitrile rubber seals protect against dirt and moisture, extending service life.
Its compact 8 mm×16 mm×5 mm size makes it ideal for space-constrained applications.
The bearing’s MC3 radial clearance ensures smooth operation under various conditions.

Application

Common Applications of 688 2rs Bearing
688 2rs Bearing is widely used in small electric motors, offering smooth rotation and reliable performance. Its sealed design helps keep out dust and moisture, making it suitable for various environments.

Where Is 688 2rs Bearing Used?
You’ll often find 688 2rs Bearing in household appliances like fans and printers, where its compact size and durability are key. The chrome steel construction ensures it can handle daily wear and tear with ease.

Ideal for Precision: 688 2rs Bearing
688 2rs Bearing works well in medical devices such as dental tools, providing quiet and precise operation. The stainless steel cage adds extra durability for long-term use.

Automotive vs Aerospace: Applications of 688 2rs Bearing
In automotive applications, 688 2rs Bearing is used in small gearboxes and sensors due to its reliable radial load capacity. For aerospace, its lightweight design makes it a good fit for instrumentation systems.

Practical Applications of 688 2rs Bearing
688 2rs Bearing is a popular choice for robotics, especially in compact joints and actuators. Its high-speed capability and sealed design ensure consistent performance in automated systems.

Q&A

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