+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Single Row Deep Groove Ball Bearings 311SG

Single Row Deep Groove Ball Bearings 311SG

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

Its open design simplifies maintenance, while the chrome steel cage enhances 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. It’s well-suited for applications like electric motors or pumps where radial loads are common.

Weighing 1.5kg, it balances strength and practicality. Compliant with RoHS and REACH standards, it’s a safe choice for various industrial uses.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 311SG
  • Brand TFL
  • Interchangeable SKF
  • System of Measurement Metric
  • For Load Direction Radial
  • Construction Single Row
  • Bearing Type Ball
  • Seal Type Open
  • 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（$） 20.691
Single Row Deep Groove Ball Bearings 311SG dimension drawing
Download DWG Download PDF

Features

Core Advantages of 311SG Bearing

311SG Bearing features a single row deep groove design, optimised for radial load handling with a capacity of 17805 lbf.
Its chrome steel construction ensures durability and resistance to wear in various applications.

The open seal type allows for easy maintenance while maintaining performance in temperatures from -30° to 120°C.
With a maximum speed of 6,300 rpm, it offers reliable operation for industrial uses.

311SG Bearing’s ABEC 1 tolerance class provides consistent performance for precision tasks.
Its standardised dimensions make it interchangeable with major brands like SKF, ensuring easy replacement.

Application

Industrial Uses of 311SG Bearing
311SG Bearing is commonly used in industrial machinery like pumps and electric motors, where its radial load capacity ensures smooth operation. The open design allows for easy lubrication, making it suitable for high-speed applications.

In automotive systems, 311SG Bearing fits well in components such as alternators and wheel hubs, providing reliable performance under varying loads. Its chrome steel construction offers durability in both hot and cold conditions.

For automation equipment, 311SG Bearing supports precise movements in robotic arms and conveyor systems. The ABEC 1 tolerance ensures consistent performance without unnecessary friction.

Where Is 311SG Bearing Used?
You’ll often find 311SG Bearing in household appliances like washing machines, where its quiet operation and durability are valued. The metric sizing makes it easy to replace in most European models.

In medical devices, 311SG Bearing’s reliability is key for equipment like centrifuges and lab instruments. The chrome steel cage ensures long-term performance even with frequent use.

Q&A

SEND INQUIRY