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Metric Size Standard Miniature Ball Bearings 637zz
Metric Size Standard Miniature Ball Bearings 637zz

Metric Size Standard Miniature Ball Bearings 637zz

The 637zz is a miniature ball bearing with a 7mm bore and 26mm outer diameter, crafted from durable chrome steel. Its compact size (9mm wide) makes it suitable for tight spaces while handling radial loads up to 873 lbf.

Shielded on both sides, it keeps dirt out and lubrication in, extending its lifespan. The stainless steel cage ensures smooth operation at speeds up to 28,000 RPM.

With a radial clearance of 0.002mm to 0.013mm, it offers reliable performance in precision applications. Ideal for small motors, hobby projects, or light industrial equipment.

Weighing just 25.8g, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it’s safe for various environments within a -30°C to 110°C range.

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Product Parameters

  • Part Number 637zz
  • Brand TFL
  • Interchangeable EZO
  • Bore Dia 7 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 26 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 9 mm
  • Width Tolerance -0.12mm to 0
  • Ball Qty 7
  • Ball Dia 4.7620 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 873 lbf
  • Static Radial Load 357 lbf
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 28000 rpm
  • Weight 25.8 g
  • Price($) 1.035

Features

How Does 637zz Bearing Reduce Friction?

637zz Bearing features a shielded design with chrome steel rings and balls, ensuring smooth operation and reduced friction.

Its dynamic radial load capacity of 873 lbf makes it suitable for various radial load applications.

The stainless steel cage maintains ball alignment, enhancing durability and performance.

With a maximum speed of 28,000 rpm, it offers efficient and reliable operation in compact spaces.

Application

Common Applications of 637zz Bearing
In small electric motors, 637zz Bearing provides smooth rotation thanks to its shielded design and chrome steel construction. Its compact size makes it ideal for tight spaces where reliability matters.

How Does 637zz Bearing Improve Performance?
The 637zz Bearing’s ABEC1 tolerance ensures consistent operation in devices like printers and small fans. Its stainless steel cage helps reduce friction, extending the lifespan of your equipment.

Built for Heavy-Duty Use: 637zz Bearing
You’ll often find 637zz Bearing in power tools, where its dynamic load capacity handles high-speed rotations effortlessly. The shielded seals keep dust out, maintaining performance in tough conditions.

Automotive vs Industrial: Where 637zz Bearing Excels
In automotive applications like dashboard motors, 637zz Bearing offers quiet operation. For industrial uses, its metric sizing fits seamlessly into machinery requiring precise radial load support.

Perfect Fit for Automation: 637zz Bearing
Robotic arms benefit from 637zz Bearing’s low-friction design, ensuring precise movements. The 7mm bore size works well in compact automated systems where space is limited.

Q&A

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