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Single Row Angular Contact Ball Bearings (General) 7311 BECBJ
Single Row Angular Contact Ball Bearings (General) 7311 BECBJ

Single Row Angular Contact Ball Bearings (General) 7311 BECBJ

The 7311 BECBJ is a single-row angular contact ball bearing with a 55mm bore and 120mm outer diameter, crafted from sturdy chrome steel. It manages radial loads up to 19125 lbf and operates smoothly at speeds up to 7000 RPM.

With a 40° contact angle, it efficiently handles combined radial and axial loads. The open design allows for easy lubrication, while the stainless steel cage ensures durability.

This bearing is interchangeable with SKF models, making it a practical choice for replacements. It suits applications like pumps or gearboxes where angular contact is needed.

Weighing 1.41kg, it’s robust yet manageable. Compliant with RoHS and REACH standards, it works in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 7311 BECBJ
  • Brand TFL
  • Interchangeable SKF
  • System of Measurement Metric
  • Bearing Type Ball
  • Contact Angle 40°
  • For Load Direction Angular Contact
  • Construction Single Row
  • Seal Type Open
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.012mm to 0
  • Outer Dia 120 mm
  • Outer Dia Tolerance -0.013mm to 0
  • Width 29 mm
  • Width Tolerance -0.05mm to 0
  • External Diameter On Inner Ring (Large Side Face) 80.3 mm
  • External Diameter On Inner Ring (Small Side Face) 66.66 mm
  • Internal Diameter On Outer Ring 96.6 mm
  • Chamfer Dimension 2 mm
  • Distance Pressure Point (a) 51 mm
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 19125 lbf
  • Static Radial Load 13500 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Tolerance Class P6 (ABEC-3)
  • ROHS Compliant
  • REACH Compliant
  • Max Speed 7000 rpm
  • Weight 1.41 kg
  • Price($) 35.64

Features

Why Choose 7311 BECBJ Bearing for Precision Tasks?

7311 BECBJ Bearing features a 40° contact angle, ideal for handling combined radial and axial loads with precision.
Its chrome steel rings and balls ensure durability, while the stainless steel cage maintains ball alignment.

With a dynamic radial load capacity of 19125 lbf, it performs reliably in demanding applications.
The P6 tolerance class (ABEC-3) guarantees consistent accuracy for high-speed operations up to 7,000 rpm.

Designed for easy lubrication, 7311 BECBJ Bearing operates smoothly within a -30° to 110°C temperature range.
Its open structure allows for straightforward maintenance, reducing downtime and operational costs.

Application

Industrial Uses of 7311 BECBJ Bearing
The 7311 BECBJ Bearing is commonly used in machine tools, where its 40° contact angle efficiently handles combined radial and axial loads. Its open design simplifies lubrication, ensuring smooth operation in demanding industrial settings.

In automotive applications, 7311 BECBJ Bearing works well in gearboxes and wheel hubs, thanks to its high dynamic radial load capacity. The chrome steel construction provides durability under constant stress and varying speeds.

For robotics, 7311 BECBJ Bearing offers reliable performance in joint mechanisms and rotary tables. The stainless steel cage reduces friction, making it suitable for precise, repetitive movements in automated systems.

Medical imaging devices benefit from 7311 BECBJ Bearing’s P6 tolerance class, ensuring minimal vibration during operation. Its consistent performance is key for maintaining accuracy in diagnostic equipment.

In household appliances like washing machines, 7311 BECBJ Bearing handles moderate loads while maintaining quiet operation. The lubricated design helps extend its lifespan in everyday use.

Q&A

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