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Metric Size Standard Miniature Ball Bearings MR63zz
Metric Size Standard Miniature Ball Bearings MR63zz

Metric Size Standard Miniature Ball Bearings MR63zz

The MR63zz is a compact miniature ball bearing, measuring just 3mm by 6mm by 2.5mm, with a shielded design for added protection. Made from chrome steel, it handles radial loads up to 40 lbf and spins smoothly at speeds up to 71,000 RPM.

Its stainless steel cage and shields ensure durability, while the ABEC1 tolerance class offers reliable performance. The bearing operates in temperatures from -30°C to 110°C, making it versatile for various environments.

Ideal for small devices like drones, model cars, or precision instruments where space is limited. Weighing only 0.28g, it’s lightweight yet sturdy for its size. Compliant with RoHS and REACH standards for safe use.

Regular lubrication is recommended to maintain its smooth operation over time. A practical choice for applications requiring a small, efficient bearing.

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Product Parameters

  • Part Number MR63zz
  • 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 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 Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Stainless Steel
  • Shield Material 300 Series Stainless Steel
  • Dynamic Radial Load 40 lbf
  • Static Radial Load 13 lbf
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 71000 rpm
  • Weight 0.28 g
  • Price($) 1.035

Features

Why Choose MR63zz Bearing for Precision Tasks?

MR63zz Bearing is crafted with chrome steel rings and balls, ensuring precise radial load handling.
Its compact size of 3 mm×6 mm×2.5 mm makes it ideal for miniature applications.

The stainless steel cage and shielded design protect against contaminants, enhancing durability.
With a maximum speed of 71,000 rpm, it delivers smooth performance in high-speed scenarios.

MR63zz Bearing’s ABEC1 tolerance ensures consistent accuracy for precision instruments.
Its dynamic radial load capacity of 40 lbf suits light to moderate duty applications.

Application

Common Applications of MR63zz Bearing
MR63zz Bearing is widely used in small electric motors, such as those found in cooling fans and power tools, due to its compact size and reliable performance. The shielded design helps keep contaminants out while maintaining smooth rotation.

Where Is MR63zz Bearing Used?
You’ll often spot MR63zz Bearing in precision instruments like dental drills or optical devices, where its low friction and high-speed capability are key. Its chrome steel construction ensures durability even in demanding conditions.

Ideal for Precision: MR63zz Bearing
MR63zz Bearing works well in miniature machinery, including model trains and small robotics, thanks to its precise tolerances and lightweight design. The stainless steel cage adds extra resistance to wear over time.

Automotive vs Aerospace: Applications of MR63zz Bearing
In automotive applications, MR63zz Bearing fits well in dashboard instruments or small actuators, while in aerospace, it’s suited for lightweight drone components. Its high-speed rating makes it versatile across different fields.

Practical Applications of MR63zz Bearing
MR63zz Bearing is a go-to choice for consumer electronics like printers and handheld gadgets, where space is limited but performance can’t be compromised. The ABEC1 tolerance ensures consistent operation in everyday use.

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