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Metric Size Standard Miniature Ball Bearings SMR63 2rs

Metric Size Standard Miniature Ball Bearings SMR63 2rs

The SMR63 2rs is a compact miniature ball bearing with a 3mm bore and 6mm outer diameter, crafted entirely from stainless steel for durability. It handles radial loads up to 36 lbf and spins efficiently at speeds up to 63,900 RPM.

Its sealed design with nitrile rubber shields keeps out dust and moisture, making it low-maintenance. The stainless steel cage ensures smooth operation and longevity.

This bearing is ideal for small, precision applications like miniature motors or medical devices where space is limited. It performs reliably in temperatures from -30°C to 110°C.

Weighing just 0.2g, it’s lightweight yet sturdy. Compliant with RoHS and REACH standards, it’s a safe choice for various industries. Pre-lubrication is required for optimal performance.

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Product Parameters

  • Part Number SMR63 2rs
  • Brand TFL
  • Interchangeable EZO
  • Bore Dia 3 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 6 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 2.5 mm
  • Width Tolerance -0.12mm to 0
  • Ball Qty 8
  • Ball Dia 0.8000 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 Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Stainless Steel
  • Shield Material Nitrile Rubber
  • Dynamic Radial Load 36 lbf
  • Static Radial Load 12 lbf
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 63900 rpm
  • Weight 0.2 g
  • Price（$） 1.242
Metric Size Standard Miniature Ball Bearings SMR63 2rs dimension drawing
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Features

How Does SMR63 2rs Bearing Reduce Friction?

SMR63 2rs Bearing features stainless steel rings and balls, ensuring smooth operation with minimal friction.
The sealed design protects against contaminants, maintaining consistent performance over time.

With a dynamic radial load capacity of 36 lbf, it handles light to moderate loads efficiently.
Its compact size of 3 mm×6 mm×2.5 mm makes it ideal for precision applications.

The ABEC1 tolerance class ensures reliable performance in various conditions.
SMR63 2rs Bearing’s nitrile rubber seals enhance durability and reduce maintenance needs.

Application

Common Applications of SMR63 2rs Bearing
SMR63 2rs Bearing is widely used in small electric motors, such as those found in cooling fans or miniature pumps, thanks to its compact size and sealed design. The stainless steel construction ensures it performs well in humid or corrosive environments.

In automation systems, SMR63 2rs Bearing supports precise movements in devices like robotic arms or 3D printers. Its low friction and smooth rotation make it ideal for applications requiring quiet operation.

For medical devices, SMR63 2rs Bearing is often found in handheld surgical tools or diagnostic equipment. The sealed design helps keep contaminants out, maintaining hygiene and reliability.

In consumer electronics, SMR63 2rs Bearing is commonly used in items like computer mice or small gadgets. Its lightweight and durability make it a practical choice for everyday devices.

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