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Snap Ring Groove Ball Bearings 311-2ZNR
Snap Ring Groove Ball Bearings 311-2ZNR

Snap Ring Groove Ball Bearings 311-2ZNR

The 311-2ZNR is a shielded ball bearing with a 55mm bore and 120mm outer diameter, designed for radial loads. It handles up to 17805 lbf and runs smoothly at speeds up to 5000 RPM.

Made from chrome steel with a stainless steel cage, it offers durability and long service life. The snap ring on the outer ring helps keep it securely in place during operation.

This bearing works well in temperatures from -30°C to 120°C and comes pre-lubricated with grease for easy maintenance. It’s interchangeable with SKF bearings, making it a practical choice for replacements.

Ideal for machinery where radial loads are common, such as electric motors or pumps. Weighing 1.5kg, it’s sturdy yet manageable for its size. Compliant with REACH standards for safe use.

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Product Parameters

  • Part Number 311-2ZNR
  • Brand TFL
  • Interchangeable SKF
  • 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
  • Outside Diameter Of Snap Ring 129.7 mm
  • Width Of Snap Ring 2.82 mm
  • System of Measurement Metric
  • For Load Direction Radial
  • Construction Single Row
  • Bearing Type Ball
  • Seal Type Shielded
  • Locating Feature Bearing Outer Ring Snap Ring (fitted)
  • Tolerance Class P0
  • Radial Clearance Trade No CN
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 17805 lbf
  • Static Radial Load 15062 lbf
  • Temperature Range -30° to 120 °C
  • Lubrication Grease
  • REACH Compliant
  • Max Speed 5000 rpm
  • Weight 1.5 kg

Features

Why Choose 311-2ZNR Bearing for Precision Tasks?

311-2ZNR Bearing features shielded seals and a snap ring groove, ensuring secure positioning in radial load applications.
Its chrome steel construction offers durability, with a dynamic radial load capacity of 17805 lbf.

The stainless steel cage maintains ball alignment, reducing friction and extending operational life.
With a maximum speed of 5,000 rpm, it delivers reliable performance in various conditions.

311-2ZNR Bearing operates efficiently within a temperature range of -30° to 120°C.
Its grease lubrication ensures smooth motion while minimising maintenance needs.

Application

Industrial Uses of 311-2ZNR Bearing
311-2ZNR Bearing is commonly used in industrial machinery like conveyor systems and pumps, where its shielded design helps keep contaminants out. The snap ring feature makes installation and positioning straightforward, saving time during assembly.

Where Is 311-2ZNR Bearing Used?
You’ll often find 311-2ZNR Bearing in automotive applications, such as wheel hubs and transmissions, where its radial load capacity is essential. The grease lubrication ensures smooth operation even under constant use.

Built for Heavy-Duty Use: 311-2ZNR Bearing
311-2ZNR Bearing handles heavy loads in construction equipment, thanks to its chrome steel construction. Its temperature range also makes it suitable for both hot and cold working environments.

Automotive vs Industrial: Applications of 311-2ZNR Bearing
In automotive settings, 311-2ZNR Bearing supports wheel assemblies, while in industrial gearboxes, it ensures reliable performance. The stainless steel cage adds durability, making it a versatile choice.

Perfect Fit for Automation: 311-2ZNR Bearing
311-2ZNR Bearing works well in robotic arms and automated production lines, where precision and reliability are key. Its shielded seals help maintain performance in dusty or humid conditions.

Q&A

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