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Single Row Angular Contact Ball Bearings (General) 718/670 AMB

Single Row Angular Contact Ball Bearings (General) 718/670 AMB

The 718/670 AMB is a single-row angular contact ball bearing with a 670mm bore and 820mm outer diameter, crafted from sturdy chrome steel. It handles radial loads up to 118575 lbf and operates at speeds up to 750 RPM.

With a 40° contact angle, it efficiently manages combined radial and axial loads. The brass cage enhances durability, while the open design simplifies lubrication.

This bearing suits heavy-duty applications like large industrial machinery or wind turbines, where precision and reliability are key. It’s interchangeable with SKF bearings for easy replacement.

Weighing 77kg, it’s built for robust performance in temperatures from -30°C to 110°C, complying with RoHS and REACH standards.

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Product Parameters

  • Part Number 718/670 AMB
  • 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 670 mm
  • Bore Dia Tolerance -0.05mm to 0
  • Outer Dia 820 mm
  • Outer Dia Tolerance -0.06mm to 0
  • Width 69 mm
  • Width Tolerance -0.05mm to 0
  • External Diameter On Inner Ring (Large Side Face) 720.5 mm
  • Internal Diameter On Outer Ring 772.2 mm
  • Chamfer Dimension 4 mm
  • Distance Pressure Point (a) 250 mm
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Brass
  • Dynamic Radial Load 118575 lbf
  • Static Radial Load 281250 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Tolerance Class P6 (ABEC-3)
  • ROHS Compliant
  • REACH Compliant
  • Max Speed 750 rpm
  • Weight 77 kg
Single Row Angular Contact Ball Bearings (General) 718/670 AMB dimension drawing
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Features

Performance Features of 718/670 AMB Bearing

718/670 AMB Bearing is designed with a 40° contact angle, optimising its ability to handle angular contact loads.
The chrome steel construction ensures strength and durability under high radial loads, up to 118575 lbf dynamically.

Its brass cage maintains ball alignment, reducing friction and wear during operation.
With a tolerance class of P6 (ABEC-3), it offers reliable precision for demanding applications.

The bearing operates smoothly within a temperature range of -30° to 110°C.
Its open design allows for easy lubrication, ensuring consistent performance over time.

Application

Industrial Uses of 718/670 AMB Bearing
718/670 AMB Bearing is commonly used in large industrial machinery, such as heavy-duty presses and rolling mills, where its angular contact design handles combined radial and axial loads efficiently. The brass cage ensures smooth operation even under high stress.

Where Is 718/670 AMB Bearing Used?
You’ll often find 718/670 AMB Bearing in wind turbine gearboxes, where its high load capacity and precision tolerances are essential for reliable performance. Its chrome steel construction also makes it suitable for harsh outdoor conditions.

Built for Heavy-Duty Use: 718/670 AMB Bearing
718/670 AMB Bearing excels in mining equipment, supporting massive loads in crushers and conveyors. The P6 tolerance class ensures consistent performance, while the open design allows for easy lubrication.

Automotive vs Aerospace: Applications of 718/670 AMB Bearing
In automotive applications, 718/670 AMB Bearing is used in large truck transmissions, while in aerospace, it supports landing gear mechanisms. Its 40° contact angle provides optimal load distribution for both scenarios.

Practical Applications of 718/670 AMB Bearing
718/670 AMB Bearing is a go-to choice for marine propulsion systems, where its corrosion-resistant materials and high static load rating ensure longevity. The metric sizing also simplifies replacements in European-built vessels.

Q&A

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