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Metric Size Standard Miniature Ball Bearings MR115 2rs
Metric Size Standard Miniature Ball Bearings MR115 2rs

Metric Size Standard Miniature Ball Bearings MR115 2rs

The MR115 2rs is a compact miniature ball bearing with a 5mm bore and 11mm outer diameter, measuring just 4mm wide. Made from chrome steel, it’s built to handle radial loads up to 137 lbf and spins smoothly at speeds up to 45,000 RPM.

Its sealed design with nitrile rubber shields keeps dust out and lubrication in, making it low-maintenance. The stainless steel cage ensures durability, while the ABEC1 tolerance offers reliable performance for everyday use.

This bearing operates in temperatures from -30°C to 110°C, suitable for small motors or precision instruments. Weighing only 0.62g, it’s lightweight yet sturdy for its size.

Compliant with RoHS and REACH standards, it’s a practical choice for hobby projects or light industrial applications where space is limited.

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Product Parameters

  • Part Number MR115 2rs
  • Brand TFL
  • Interchangeable EZO
  • Bore Dia 5 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 11 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 4 mm
  • Width Tolerance -0.12mm to 0
  • Ball Qty 8
  • Ball Dia 1.5880 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 137 lbf
  • Static Radial Load 51 lbf
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 45000 rpm
  • Weight 0.62 g
  • Price($) 1.035

Features

Why Choose MR115 2rs Bearing for Precision Tasks?

MR115 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 137 lbf, it handles light to moderate loads efficiently.
The ABEC1 tolerance class guarantees consistent performance for precision tasks.

MR115 2rs Bearing operates at speeds up to 45,000 rpm, making it suitable for high-speed applications.
Its compact size (5mm×11mm×4mm) allows for easy integration into miniature assemblies.

The stainless steel cage maintains ball alignment, reducing friction and wear.
This bearing is ideal for instruments requiring reliable, long-lasting performance.

Application

Common Applications of MR115 2rs Bearing
MR115 2rs Bearing is widely used in small electric motors, such as those found in household appliances like blenders and fans. Its compact size and sealed design make it ideal for protecting against dust and moisture.

In automation systems, MR115 2rs Bearing ensures smooth operation in components like conveyor rollers and robotic arms. The stainless steel cage adds durability, even in continuous use scenarios.

For medical devices, MR115 2rs Bearing provides reliable performance in equipment like dental drills and diagnostic machines. The chrome steel construction offers a good balance of strength and corrosion resistance.

In consumer electronics, MR115 2rs Bearing is often found in devices like printers and small power tools. Its high-speed capability and low noise make it a practical choice for everyday gadgets.

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