+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Metric Size Standard Miniature Ball Bearings SMR85zz

Metric Size Standard Miniature Ball Bearings SMR85zz

The SMR85zz is a compact miniature ball bearing, measuring just 5mm by 8mm by 2.5mm, crafted entirely from stainless steel for durability. It handles radial loads up to 37 lbf and spins smoothly at speeds up to 47,700 RPM.

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

With an ABEC1 tolerance class, it offers reliable precision for small-scale applications. Ideal for use in miniature motors, drones, or precision instruments where space is limited.

Weighing only 0.34g, it’s lightweight yet sturdy, and complies with RoHS and REACH standards for safe usage.

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

Product Parameters

  • Part Number SMR85zz
  • 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 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 37 lbf
  • Static Radial Load 15 lbf
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 47700 rpm
  • Weight 0.34 g
  • Price（$） 1.242
Metric Size Standard Miniature Ball Bearings SMR85zz dimension drawing
Download DWG Download PDF

Features

Why Choose SMR85zz Bearing for Precision Tasks?

SMR85zz Bearing features a shielded design with stainless steel construction, ensuring smooth operation in radial load applications.
Its compact size of 5×8×2.5 mm makes it ideal for miniature machinery where space is limited.

The ABEC1 tolerance class and MC3 radial clearance provide reliable precision for consistent performance.
With a maximum speed of 47,700 rpm, it balances efficiency and durability in high-speed applications.

Stainless steel rings and balls enhance corrosion resistance, extending the bearing’s service life.
The shielded design helps keep contaminants out while retaining lubrication for reduced maintenance.

Application

Where Is SMR85zz Bearing Used?
SMR85zz Bearing is commonly found in small electric motors, such as those used in cooling fans or handheld devices, thanks to its compact size and reliable performance. The shielded design helps keep out dust and debris, extending its lifespan in everyday applications.

In robotics, SMR85zz Bearing provides smooth rotation for joints and small moving parts, ensuring precise movement in automated systems. Its stainless steel construction makes it resistant to corrosion, even in humid environments.

For medical devices like dental tools or insulin pumps, SMR85zz Bearing offers quiet operation and consistent performance. The ABEC1 tolerance ensures sufficient precision for these sensitive applications without unnecessary cost.

Q&A

SEND INQUIRY