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Metric Size Standard Miniature Ball Bearings 624
Metric Size Standard Miniature Ball Bearings 624

Metric Size Standard Miniature Ball Bearings 624

The 624 is a compact radial ball bearing with a 4mm bore and 13mm outer diameter, crafted from sturdy chrome steel. It handles radial loads up to 249 lbf and spins smoothly at speeds up to 40,000 RPM.

Its open design allows for easy lubrication, while the stainless steel cage ensures durability. The bearing operates efficiently in temperatures ranging from -30°C to 110°C.

With a lightweight build of just 3.1g, it’s ideal for small applications like hobby motors or precision instruments. Compliant with RoHS and REACH standards, it’s a reliable choice for various lightweight machinery.

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Product Parameters

  • Part Number 624
  • Brand TFL
  • Interchangeable EZO
  • Bore Dia 4 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 Open
  • 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
  • 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 3.1 g
  • Price($) 1.035

Features

How Does 624 Bearing Reduce Friction?

624 Bearing features a single-row design with chrome steel rings and balls, ensuring smooth radial load handling.
Its precision-engineered structure with 7 balls minimises friction, enhancing operational efficiency.

The stainless steel cage maintains ball alignment, reducing wear and extending the bearing’s lifespan.
With a maximum speed of 40,000 rpm, it delivers reliable performance in high-speed applications.

624 Bearing operates efficiently within a temperature range of -30° to 110°C, suitable for various environments.
Its open design simplifies lubrication, ensuring consistent performance over time.

Application

Common Applications of 624 Bearing
The 624 Bearing is widely used in small electric motors, such as those found in household appliances and power tools. Its compact size and radial load capacity make it ideal for tight spaces where smooth rotation is needed.

In automation systems, 624 Bearing supports lightweight robotic arms and conveyor belt rollers. The open design allows for easy lubrication, ensuring long service life even with frequent use.

For medical devices like dental drills or lab equipment, 624 Bearing’s precision construction ensures quiet and reliable operation. The chrome steel rings and stainless steel cage provide excellent resistance to wear and corrosion.

Where Is 624 Bearing Used?
You’ll often find 624 Bearing in consumer electronics, such as cooling fans for computers or printer mechanisms. Its high-speed capability and low friction make it a dependable choice for these applications.

The 624 Bearing also works well in small machinery parts, like sewing machines or model-making tools. Its lightweight design and durability help maintain performance over time without adding unnecessary bulk.

Built for Versatility: 624 Bearing
In hobbyist projects, 624 Bearing is popular for RC cars and drones due to its balance of strength and lightweight. The ABEC1 tolerance ensures consistent performance even at higher speeds.

For light industrial equipment, 624 Bearing handles moderate radial loads in devices like packaging machines. The easy maintenance and compatibility with standard lubricants keep operations running smoothly.

Q&A

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