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Single Row Angular Contact Ball Bearings (General) 70/1250 AMB
Single Row Angular Contact Ball Bearings (General) 70/1250 AMB

Single Row Angular Contact Ball Bearings (General) 70/1250 AMB

The 70/1250 AMB is a large single-row angular contact ball bearing with a 1250mm bore and 1750mm outer diameter, built from sturdy chrome steel. It handles heavy radial loads up to 447750 lbf and operates at speeds up to 240 RPM.

Its 40° contact angle efficiently manages combined loads, while the brass cage ensures smooth rotation and durability. The open design allows for easy lubrication and maintenance.

This bearing is suitable for high-load applications like industrial gearboxes or heavy machinery. It performs reliably in temperatures from -30°C to 110°C and meets P6 tolerance standards.

Weighing 1600kg, it’s designed for robust performance in demanding environments. Compliant with RoHS and REACH regulations, it’s a dependable choice for replacements, interchangeable with SKF models.

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Product Parameters

  • Part Number 70/1250 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 1250 mm
  • Bore Dia Tolerance -0.075mm to 0
  • Outer Dia 1750 mm
  • Outer Dia Tolerance -0.115mm to 0
  • Width 218 mm
  • Width Tolerance -0.05mm to 0
  • External Diameter On Inner Ring (Large Side Face) 1430.5 mm
  • External Diameter On Inner Ring (Small Side Face) 1430.5 mm
  • Internal Diameter On Outer Ring 1569 mm
  • Chamfer Dimension 9.5 mm
  • Distance Pressure Point (a) 542 mm
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Brass
  • Dynamic Radial Load 447750 lbf
  • Static Radial Load 1721250 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Tolerance Class P6 (ABEC-3)
  • ROHS Compliant
  • REACH Compliant
  • Max Speed 240 rpm
  • Weight 1600 kg

Features

Performance Features of 70/1250 AMB Bearing

70/1250 AMB Bearing is built with a 40° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and balls provide high strength, supporting dynamic radial loads up to 447,750 lbf.

The brass cage ensures smooth ball movement, reducing friction and wear during operation.
With a P6 tolerance class, 70/1250 AMB Bearing offers precise performance for demanding applications.

Designed for low-speed operations, it handles up to 240 rpm while maintaining stability.
The open design allows easy lubrication, ensuring consistent performance in varied conditions.

Application

Industrial Uses of 70/1250 AMB Bearing
The 70/1250 AMB Bearing is commonly used in large industrial machinery, such as heavy-duty gearboxes and rolling mills, where its angular contact design handles combined loads effectively. Its brass cage ensures smooth operation even under high radial forces.

Where Is 70/1250 AMB Bearing Used?
You’ll often find 70/1250 AMB Bearing in wind turbine systems, supporting the main shaft with its robust chrome steel construction. The P6 tolerance class makes it reliable for precision applications in harsh environments.

Built for Heavy-Duty Use: 70/1250 AMB Bearing
70/1250 AMB Bearing excels in mining equipment, where its large bore and width handle extreme loads. The lubricated design reduces friction, extending service life in demanding conditions.

Automotive vs Aerospace: Applications of 70/1250 AMB Bearing
In automotive testing rigs, 70/1250 AMB Bearing provides stability for large rotating components. For aerospace, its high static load capacity suits ground support equipment like turbine alignment tools.

Essential Roles of 70/1250 AMB Bearing
70/1250 AMB Bearing is vital in steel production lines, ensuring smooth operation of conveyor rollers. Its 40° contact angle optimises performance under both radial and axial forces.

Q&A

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