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Metric Size Standard Miniature Ball Bearings 689 2rs

Metric Size Standard Miniature Ball Bearings 689 2rs

The 689 2rs is a compact, sealed ball bearing with a 9mm bore and 17mm outer diameter, made from durable chrome steel. It handles radial loads up to 254 lbf and spins smoothly at speeds up to 36,000 RPM.

Its double rubber seals keep out dust and dirt, while the stainless steel cage ensures reliable performance. The bearing operates well in temperatures from -30°C to 110°C.

This model is lightweight at just 4.38g, making it ideal for small applications. It’s commonly used in miniature motors, small appliances, or precision instruments where space is limited.

Compliant with RoHS and REACH standards, it’s a safe and practical choice for various industries. Regular lubrication helps maintain its smooth operation over time.

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Product Parameters

  • Part Number 689 2rs
  • Brand TFL
  • Interchangeable EZO
  • Bore Dia 9 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 17 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 5 mm
  • Width Tolerance -0.12mm to 0
  • Ball Qty 11
  • 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 254 lbf
  • Static Radial Load 120 lbf
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 36000 rpm
  • Weight 4.38 g
  • Price（$） 1.035
Metric Size Standard Miniature Ball Bearings 689 2rs dimension drawing
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Features

Why Choose 689 2rs Bearing for Precision Tasks?

689 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 254 lbf, it handles demanding tasks efficiently.
The ABEC1 tolerance class guarantees consistent performance for precision instruments.

689 2rs Bearing operates at speeds up to 36,000 rpm, making it suitable for high-speed applications.
Its compact size (9 mm×17 mm×5 mm) allows for easy integration into miniature assemblies.

The stainless steel cage maintains ball alignment, reducing friction and extending service life.
Lubrication is required to ensure optimal performance within the -30° to 110 °C temperature range.

Application

Common Applications of 689 2rs Bearing
689 2rs Bearing is widely used in small electric motors, such as those found in household appliances and power tools. Its compact size and sealed design make it ideal for environments where dust or moisture might be a concern.

In automation systems, 689 2rs Bearing ensures smooth operation in components like conveyor rollers and robotic joints. The stainless steel cage provides durability, even in high-speed applications.

For consumer electronics, 689 2rs Bearing is often found in devices like printers and small fans. The ABEC1 tolerance ensures reliable performance without unnecessary complexity.

Medical devices, such as dental tools or lab equipment, benefit from 689 2rs Bearing’s precision and low maintenance needs. The chrome steel construction offers long-lasting performance in critical applications.

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