+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Metric Size Standard Miniature Ball Bearings SMR72zz

Metric Size Standard Miniature Ball Bearings SMR72zz

The SMR72zz is a compact miniature ball bearing with a 2mm bore and 7mm outer diameter, crafted from stainless steel for durability. It handles radial loads up to 66 lbf and spins smoothly at speeds up to 58,500 RPM.

Its shielded design keeps dust out while maintaining easy lubrication access. The stainless steel cage and balls ensure consistent performance in temperatures from -30°C to 110°C.

This bearing is ideal for small devices like drones or precision instruments where space is limited. Weighing just 0.53g, it’s lightweight yet sturdy for its size.

Compliant with RoHS and REACH standards, it’s a reliable choice for eco-conscious applications. The ABEC1 tolerance class makes it suitable for general-purpose use.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number SMR72zz
  • Brand TFL
  • Interchangeable EZO
  • Bore Dia 2 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 7 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 3 mm
  • Width Tolerance -0.12mm to 0
  • Ball Qty 7
  • Ball Dia 1.2000 mm
  • Radial Clearance 0.002mm to 0.013mm
  • Seal Type Shielded
  • 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 300 Series Stainless Steel
  • Dynamic Radial Load 66 lbf
  • Static Radial Load 21 lbf
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 58500 rpm
  • Weight 0.53 g
  • Price（$） 2.106
Metric Size Standard Miniature Ball Bearings SMR72zz dimension drawing
Download DWG Download PDF

Features

How Does SMR72zz Bearing Reduce Friction?

SMR72zz Bearing features stainless steel rings and balls, 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 66 lbf, it handles light to moderate loads efficiently.
The ABEC1 tolerance class ensures consistent performance for precision applications.

The stainless steel cage keeps the seven balls aligned, reducing wear and prolonging service life.
Its compact size (2 mm×7 mm×3 mm) makes it ideal for miniature devices requiring reliable motion.

Application

Common Applications of SMR72zz Bearing
SMR72zz Bearing is widely used in small electric motors, such as those found in cooling fans or miniature pumps, thanks to its compact size and reliable performance. The shielded design helps keep out dust, making it suitable for environments where cleanliness is important.

In robotics, SMR72zz Bearing is often found in joints and small moving parts, where its smooth operation and durability are key. The stainless steel construction also makes it resistant to corrosion, ideal for long-term use.

For medical devices like dental tools or handheld diagnostic equipment, SMR72zz Bearing provides precise movement and low noise. Its small dimensions and lightweight design make it a practical choice for portable applications.

In consumer electronics, such as printers or small gadgets, SMR72zz Bearing ensures quiet and efficient operation. The ABEC1 tolerance class offers a good balance of performance and affordability for everyday devices.

Q&A

SEND INQUIRY