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Metric Size Miniature Flanged Ball Bearings MF137zz
Metric Size Miniature Flanged Ball Bearings MF137zz

Metric Size Miniature Flanged Ball Bearings MF137zz

The MF137zz is a small, shielded ball bearing with a 7mm bore and 13mm outer diameter, crafted from durable chrome steel. It supports radial loads up to 104 lbf and spins smoothly at speeds up to 40,000 RPM.

Its stainless steel cage and shielded design keep dirt out while maintaining easy lubrication. The bearing operates well in temperatures from -30°C to 110°C, making it versatile for various conditions.

With a compact width of 4mm and a lightweight 2.17g design, it fits neatly into tight spaces. Ideal for small motors, precision instruments, or hobbyist projects where reliability and speed matter.

Compliant with RoHS and REACH standards, it’s a safe and practical choice for everyday applications. The flange adds extra stability, ensuring the bearing stays securely in place during use.

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Product Parameters

  • Part Number MF137zz
  • Brand TFL
  • System of Measurement Metric
  • Bearing Type Ball
  • Bore Dia 7 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 13 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 4 mm
  • Width Tolerance -0.12mm to 0
  • Flange Outer Dia 14.6 mm
  • Flange Thickness 0.8 mm
  • Radial Clearance 0.002mm to 0.013mm
  • Ball Qty 12
  • Ball Dia 1.2000 mm
  • For Load Direction Radial
  • Construction Single Row
  • Inner Ring Type Standard
  • Seal Type Shielded
  • Tolerance Class ABEC1
  • Radial Clearance Trade No MC3
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 104 lbf
  • Static Radial Load 50 lbf
  • Max Speed 40000 rpm
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Weight 2.17 g
  • Shield Material 300 Series Stainless Steel
  • Price($) 1.35

Features

How Does MF137zz Bearing Reduce Friction?

MF137zz Bearing features a shielded design with chrome steel rings and balls, ensuring smooth radial load handling.
Its 12-ball construction reduces friction, allowing speeds up to 40,000 rpm for efficient operation.

The stainless steel cage maintains ball alignment, minimising wear and extending service life.
With a radial clearance of 0.002mm to 0.013mm, it offers precise performance in compact applications.

Application

Where Is MF137zz Bearing Used?
MF137zz Bearing is commonly found in small electric motors, such as those in cooling fans or power tools, thanks to its compact size and shielded design. The high-speed capability makes it suitable for applications where smooth rotation is essential.

In consumer electronics, MF137zz Bearing ensures reliable performance in devices like printers and hard drives, where precision and durability are key. Its chrome steel construction helps maintain stability even with frequent use.

For automation equipment, MF137zz Bearing supports lightweight mechanisms, including robotic arms and conveyor guides. The stainless steel cage adds longevity, making it a cost-effective choice for repetitive motion tasks.

Medical devices like handheld diagnostic tools also benefit from MF137zz Bearing’s quiet operation and consistent performance. The shielded design helps keep contaminants out, ensuring hygiene in sensitive environments.

Q&A

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