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Single Row Deep Groove Ball Bearings 311SZZ1

Single Row Deep Groove Ball Bearings 311SZZ1

The 311SZZ1 is a single-row deep groove ball bearing with a 55mm bore and 120mm outer diameter, crafted from sturdy chrome steel. It handles radial loads up to 17805 lbf and operates smoothly at speeds up to 6300 RPM.

Its shielded design keeps dirt out while maintaining smooth rotation, and the chrome steel cage adds durability. The bearing performs reliably in temperatures from -30°C to 120°C.

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

Weighing 1.5kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 311SZZ1
  • Brand TFL
  • Interchangeable SKF
  • System of Measurement Metric
  • For Load Direction Radial
  • Construction Single Row
  • Bearing Type Ball
  • Seal Type Shielded
  • Tolerance Class ABEC 1 | ISO P0
  • Radial Clearance Trade No CN
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.015mm to 0
  • Outer Dia 120 mm
  • Outer Dia Tolerance -0.015mm to 0
  • Width 29 mm
  • Width Tolerance -0.15mm to 0
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Chrome Steel
  • ROHS Compliant
  • REACH Compliant
  • Temperature Range -30°to 120 °C
  • Dynamic Radial Load 17805 lbf
  • Static Radial Load 15062 lbf
  • Max Speed 6300 rpm
  • Weight 1.5 kg
  • price（$） 85.527
Single Row Deep Groove Ball Bearings 311SZZ1 dimension drawing
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Features

How Does 311SZZ1 Bearing Reduce Friction?

311SZZ1 Bearing features a single row deep groove design, optimised for smooth radial load distribution.
The chrome steel construction ensures durability while maintaining low friction during operation.

Its shielded design protects against contaminants, enhancing performance in various environments.
With a dynamic radial load capacity of 17805 lbf, it handles demanding applications reliably.

The ABEC 1 tolerance class guarantees consistent precision, suitable for general industrial use.
Operating temperatures range from -30°C to 120°C, making it versatile for different conditions.

Application

Industrial Uses of 311SZZ1 Bearing
311SZZ1 Bearing is commonly used in industrial settings, such as conveyor systems and electric motors, where its shielded design helps keep out contaminants. The chrome steel construction ensures durability even in demanding environments.

Where Is 311SZZ1 Bearing Used?
You’ll often find 311SZZ1 Bearing in automotive applications like alternators and water pumps, thanks to its reliable radial load handling. Its ABEC 1 tolerance makes it a solid choice for general machinery.

Built for Heavy-Duty Use: 311SZZ1 Bearing
311SZZ1 Bearing works well in agricultural equipment, where its robust design handles rough conditions. The wide temperature range also makes it suitable for varying climates.

Automotive vs Industrial: Applications of 311SZZ1 Bearing
In cars, 311SZZ1 Bearing supports components like fans and pulleys, while in factories, it’s used in pumps and gearboxes. Its versatility makes it a go-to for many engineers.

Perfect Fit for Automation: 311SZZ1 Bearing
311SZZ1 Bearing is ideal for robotic arms and assembly lines, where smooth operation is key. The shielded seals help maintain performance over long periods.

Q&A

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