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Single Row Angular Contact Ball Bearings (General) 70/670 AMB

Single Row Angular Contact Ball Bearings (General) 70/670 AMB

The 70/670 AMB is a single-row angular contact ball bearing with a large 670mm bore and 980mm outer diameter, built from sturdy chrome steel. It manages radial loads up to 263,250 lbf and operates at speeds up to 600 RPM.

Its open design simplifies lubrication, while the precise P6 tolerance ensures smooth performance under heavy loads. The bearing works reliably in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings, offering a practical replacement option. Suitable for heavy-duty applications like industrial gearboxes or large machinery where angular contact loads are needed.

Weighing 353kg, it’s a robust unit designed for long-term use. Compliant with RoHS and REACH standards for environmental safety.

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Product Parameters

  • Part Number 70/670 AMB
  • Brand TFL
  • Interchangeable SKF
  • System of Measurement Metric
  • Bearing Type Ball
  • For Load Direction Angular Contact
  • Construction Single Row
  • Seal Type Open
  • Bore Dia 670 mm
  • Bore Dia Tolerance -0.05mm to 0
  • Outer Dia 980 mm
  • Outer Dia Tolerance -0.06mm to 0
  • Width 136 mm
  • Width Tolerance -0.05mm to 0
  • External Diameter On Inner Ring (Large Side Face) 772.6 mm
  • Internal Diameter On Outer Ring 868.2 mm
  • Chamfer Dimension 7.5 mm
  • Distance Pressure Point (a) 306 mm
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Dynamic Radial Load 263250 lbf
  • Static Radial Load 697500 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Tolerance Class P6 (ABEC-3)
  • ROHS Compliant
  • REACH Compliant
  • Max Speed 600 rpm
  • Weight 353 kg
Single Row Angular Contact Ball Bearings (General) 70/670 AMB dimension drawing
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Features

Performance Features of 70/670 AMB Bearing

70/670 AMB Bearing is built with chrome steel rings and balls, offering robust resistance to heavy radial loads.
Its dynamic radial load capacity reaches 263,250 lbf, making it suitable for demanding industrial applications.

The single-row angular contact design ensures efficient load distribution, enhancing stability during operation.
With a maximum speed of 600 rpm, it balances performance and durability in high-load scenarios.

70/670 AMB Bearing operates smoothly within a temperature range of -30° to 110°C, adapting to various working conditions.
Its precision P6 tolerance class ensures reliable performance in applications requiring high accuracy.

Application

Industrial Uses of 70/670 AMB Bearing
The 70/670 AMB Bearing is commonly used in large industrial machinery, such as heavy-duty pumps and compressors, where its angular contact design handles combined radial and axial loads efficiently. Its chrome steel construction ensures durability in demanding environments.

Where Is 70/670 AMB Bearing Used?
You’ll often find 70/670 AMB Bearing in wind turbine gearboxes, where its high load capacity and precision tolerances support smooth operation. The open design allows for easy lubrication, extending service life in harsh conditions.

Built for Heavy-Duty Use: 70/670 AMB Bearing
70/670 AMB Bearing excels in mining equipment, such as crushers and conveyors, thanks to its robust chrome steel rings and high static load rating. Its large size and weight make it ideal for applications requiring substantial support.

Automotive vs Aerospace: Applications of 70/670 AMB Bearing
In automotive testing rigs, 70/670 AMB Bearing handles high loads during durability tests, while in aerospace, it’s used in ground support equipment for its reliability. The metric sizing ensures compatibility with global standards.

Perfect Fit for Automation: 70/670 AMB Bearing
70/670 AMB Bearing is a go-to choice for automated heavy machinery, like robotic welding arms, where its angular contact design ensures precise movement. The P6 tolerance class guarantees consistent performance in repetitive tasks.

Q&A

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