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Metric Size Standard Miniature Ball Bearings MR85 2rs

Metric Size Standard Miniature Ball Bearings MR85 2rs

The MR85 2RS is a compact miniature ball bearing, measuring just 5mm by 8mm by 2.5mm, making it ideal for tight spaces. It’s crafted from durable chrome steel with a stainless steel cage for reliable performance.

This sealed bearing handles radial loads up to 42 lbf and spins smoothly at speeds up to 53,000 RPM. Its nitrile rubber seals keep out dust and moisture, extending its lifespan.

With a radial clearance of 0.002mm to 0.013mm, it offers smooth operation in small devices. The bearing requires lubrication for optimal performance and works in temperatures from -30°C to 110°C.

Perfect for small motors, drones, or precision instruments where space is limited. Compliant with RoHS and REACH standards, it’s a safe and practical choice for various applications. Weighing only 0.34g, it’s lightweight yet sturdy.

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Product Parameters

  • Part Number MR85 2rs
  • Brand TFL
  • Interchangeable EZO
  • Bore Dia 5 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 8 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 2.5 mm
  • Width Tolerance -0.12mm to 0
  • Ball Qty 9
  • 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 Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Stainless Steel
  • Shield Material Nitrile Rubber
  • Dynamic Radial Load 42 lbf
  • Static Radial Load 16 lbf
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 53000 rpm
  • Weight 0.34 g
  • Price（$） 1.035
Metric Size Standard Miniature Ball Bearings MR85 2rs dimension drawing
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Features

Why Choose MR85 2rs Bearing for Precision Tasks?

MR85 2rs Bearing features a compact design with dimensions of 5mm×8mm×2.5mm, making it ideal for miniature applications.
The sealed construction with nitrile rubber shields protects against dust and moisture, ensuring smooth operation.

With a dynamic radial load capacity of 42 lbf, MR85 2rs Bearing handles light to moderate loads efficiently.
Its chrome steel rings and balls provide durability, while the stainless steel cage maintains ball alignment.

MR85 2rs Bearing operates at speeds up to 53,000 rpm, suitable for high-speed precision instruments.
The ABEC1 tolerance class ensures consistent performance in demanding radial load applications.

Designed for a temperature range of -30° to 110°C, MR85 2rs Bearing performs reliably in various environments.
Its low-maintenance sealed design reduces the need for frequent lubrication.

Application

Common Applications of MR85 2rs Bearing
MR85 2rs Bearing is widely used in small electric motors, such as those found in cooling fans and power tools. Its sealed design helps keep out dust and moisture, ensuring smooth operation in various environments.

In robotics, MR85 2rs Bearing provides reliable support for lightweight joints and moving parts. The compact size and radial load capacity make it suitable for precise movements in automated systems.

For consumer electronics like printers and small appliances, MR85 2rs Bearing offers quiet and efficient performance. The chrome steel construction ensures durability even with frequent use.

Medical devices such as dental tools often use MR85 2rs Bearing for its consistent performance. The stainless steel cage adds to its longevity in high-use applications.

MR85 2rs Bearing is also found in hobbyist projects, like model cars and drones. Its small size and reliable performance make it a popular choice for DIY enthusiasts.

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