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Single Row Deep Groove Ball Bearings 6221-2Z

Single Row Deep Groove Ball Bearings 6221-2Z

The 6221-2Z is a single-row deep groove ball bearing with a 105mm bore and 190mm outer diameter, crafted from sturdy chrome steel. It manages radial loads up to 31473 lbf and operates smoothly at speeds up to 3600 RPM.

Its shielded design keeps grease in and dirt out, while the stainless steel cage ensures durability. The bearing performs reliably in temperatures ranging from -30°C to 120°C.

This model is interchangeable with SKF bearings, offering a cost-effective alternative for replacements. Perfect for applications like electric motors or pumps where radial loads are common.

Weighing 3.89kg, it’s a robust choice for industrial use. Compliant with RoHS and REACH standards for safe and eco-friendly operation.

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Product Parameters

  • Part Number 6221-2Z
  • Brand TFL
  • Interchangeable SKF
  • System of Measurement Metric
  • For Load Direction Radial
  • Construction Single Row
  • Bearing Type Ball
  • Seal Type Shielded
  • Tolerance Class P6
  • Radial Clearance Trade No CN
  • Bore Dia 105 mm
  • Bore Dia Tolerance -0.015mm to 0
  • Outer Dia 190 mm
  • Outer Dia Tolerance -0.020mm to 0
  • Width 36 mm
  • Width Tolerance -0.2mm to 0
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Stainless Steel
  • Lubrication Grease
  • REACH Compliant
  • Temperature Range -30° to 120 °C
  • Dynamic Radial Load 31473 lbf
  • Static Radial Load 23380 lbf
  • Max Speed 3600 rpm
  • Weight 3.89 kg
  • price（$） 80.64
Single Row Deep Groove Ball Bearings 6221-2Z dimension drawing
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Features

Performance Features of 6221-2Z Bearing

6221-2Z Bearing is built with chrome steel rings and balls, offering strong resistance to radial loads.
Its dynamic radial load capacity reaches 31473 lbf, making it suitable for demanding industrial applications.
The shielded design helps keep contaminants out while retaining lubrication for smoother operation.
With a maximum speed of 3,600 rpm, it balances performance and durability in various conditions.

How Does 6221-2Z Bearing Reduce Friction?

6221-2Z Bearing’s deep groove design ensures smooth rotation by minimising friction during operation.
The stainless steel cage maintains proper ball alignment, reducing wear and energy loss.
Grease lubrication further enhances efficiency, allowing for quiet and reliable performance.
Its precision P6 tolerance class contributes to consistent operation under radial loads.

Designed for Durability: 6221-2Z Bearing

6221-2Z Bearing withstands temperatures from -30° to 120°C, maintaining performance in varied environments.
The chrome steel construction resists wear, extending the bearing’s service life significantly.
Its shielded seals protect against dust and debris while retaining essential lubrication.
With a static radial load capacity of 23380 lbf, it handles heavy-duty applications with reliability.

Application

Industrial Uses of 6221-2Z Bearing
The 6221-2Z Bearing is commonly used in industrial machinery like pumps and electric motors, where its shielded design helps keep contaminants out. Its high dynamic radial load capacity makes it suitable for continuous operation in demanding environments.

Where Is 6221-2Z Bearing Used?
You’ll often find the 6221-2Z Bearing in automotive applications such as wheel hubs and transmissions, thanks to its reliable performance under radial loads. The grease lubrication ensures smooth operation even at higher speeds.

Built for Heavy-Duty Use: 6221-2Z Bearing
In conveyor systems and gearboxes, the 6221-2Z Bearing’s stainless steel cage and chrome steel construction provide long-lasting durability. Its P6 tolerance class ensures precision in critical applications.

Automotive vs Industrial: Applications of 6221-2Z Bearing
While the 6221-2Z Bearing excels in automotive wheel hubs, it’s equally effective in industrial fans and compressors. The shielded seals protect against dust and debris, extending its service life.

Perfect Fit for Automation: 6221-2Z Bearing
The 6221-2Z Bearing works well in robotic arms and automated assembly lines, where its consistent performance is key. Its metric sizing makes it easy to integrate into various European and Asian machinery designs.

Q&A

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