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Metric Size Standard Miniature Ball Bearings 633zz

Metric Size Standard Miniature Ball Bearings 633zz

The 633zz is a compact metric ball bearing with a 3mm bore and 13mm outer diameter, crafted from sturdy chrome steel. It supports radial loads up to 249 lbf and spins smoothly at speeds up to 40,000 RPM.

Its shielded design keeps dust out while the stainless steel cage ensures durability. The bearing operates well in temperatures from -30°C to 110°C.

This single-row bearing is ideal for small devices like electric motors or precision instruments. Its lightweight design, at just 3.43g, makes it easy to handle.

Compliant with RoHS and REACH standards, it’s a reliable choice for various applications. Regular lubrication helps maintain its performance over time.

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Product Parameters

  • Part Number 633zz
  • Brand TFL
  • Interchangeable EZO
  • Bore Dia 3 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 13 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 5 mm
  • Width Tolerance -0.12mm to 0
  • Ball Qty 7
  • Ball Dia 2.3810 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 249 lbf
  • Static Radial Load 88 lbf
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 40000 rpm
  • Weight 3.43 g
  • Price（$） 1.035
Metric Size Standard Miniature Ball Bearings 633zz dimension drawing
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Features

Why Choose 633zz Bearing for Precision Tasks?

633zz Bearing is designed with chrome steel rings and balls, ensuring smooth and precise operation in radial load applications.

Its shielded construction protects against dust and debris, making it suitable for miniature equipment.

With a maximum speed of 40,000 rpm, it delivers reliable performance in high-speed applications.

The stainless steel cage maintains ball alignment, reducing friction and extending service life.

Application

Practical Applications of 633zz Bearing
633zz Bearing is commonly used in small electric motors, such as those found in cooling fans or power tools, where its compact size and shielded design help keep out dust and debris. The chrome steel construction ensures smooth rotation even with frequent use.

How Does 633zz Bearing Improve Performance?
In automation systems, 633zz Bearing provides reliable support for lightweight robotic arms, reducing friction and wear over time. Its ABEC1 tolerance makes it suitable for applications needing consistent, though not ultra-precise, movement.

Built for Versatility: 633zz Bearing
This bearing fits well in consumer electronics like printers, where its 3 mm bore handles radial loads quietly and efficiently. The stainless steel cage adds durability, making it a cost-effective choice for high-volume production.

Medical vs Industrial: Where 633zz Bearing Excels
While 633zz Bearing can be found in medical devices like dental tools, its higher speed rating makes it equally useful in industrial equipment such as small conveyor rollers. The temperature range allows it to perform reliably in varied environments.

Q&A

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