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248/670 CAMA/W20 Double Row Spherical Roller Bearing

248/670 CAMA/W20 Double Row Spherical Roller Bearing

The 248/670 CAMA/W20 is a double-row spherical roller bearing with a large 670mm bore and 820mm outer diameter, built from tough chrome steel. It handles combined loads up to 808863 lbf and runs smoothly at speeds up to 700 RPM.

Its brass cage and open design allow for easy lubrication, while the spherical rollers accommodate misalignment. The bearing operates in temperatures from -30°C to 200°C, making it suitable for harsh environments.

This model is interchangeable with SKF bearings, offering a reliable replacement option. Ideal for heavy-duty applications like industrial gearboxes or large machinery where high radial loads are present.

Weighing 175kg, it’s a robust choice for demanding settings. Compliant with RoHS and REACH standards for safe and sustainable use.

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Product Parameters

  • Part Number 248/670 CAMA/W20
  • Brand TFL
  • Interchangeable SKF
  • Size 670 x 820 x 150 mm
  • Bore Dia 670 mm
  • Bore Dia Tolerance -0.075mm to 0
  • Outer Dia 820 mm
  • Outer Dia Tolerance -0.1mm to 0
  • Width 150 mm
  • Width Tolerance -0.75mm to 0
  • Shoulder Dia Of Inner Ring 726 mm
  • Shoulder/Recess Dia Of Outer Ring 772 mm
  • Diameter Of Lubrication Hole 9 mm
  • Chamfer Dimension min.4 mm
  • System of Measurement Metric
  • Radial run-out Standard
  • Bearing Type Roller
  • Roller Bearing Type Spherical
  • Bore Type Cylindrical
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Brass
  • Dynamic Radial Load 808863 lbf
  • Static Radial Load 2135685 lbf
  • Max Speed 700 rpm
  • Lubrication Required
  • Temperature Range -30° to 200 °C
  • Radial Clearance CN
  • RoHs Compliant
  • REACH Compliant
  • Weight 175 kg

Features

How Does 248/670 CAMA/W20 Bearing Handle Heavy Loads?

248/670 CAMA/W20 Bearing is built with chrome steel rings and rollers, offering robust resistance to combined loads.
Its dynamic radial load capacity reaches 808863 lbf, ensuring dependable performance in heavy-duty applications.
The brass cage maintains roller alignment, reducing friction and enhancing durability.
With a maximum speed of 700 rpm, it delivers reliable operation under demanding conditions.

Why Choose 248/670 CAMA/W20 Bearing for Precision Tasks?

248/670 CAMA/W20 Bearing features a double-row spherical roller design, providing precise load distribution.
The chrome steel construction ensures high resistance to wear, even in harsh environments.
Its radial clearance of CN allows for smooth operation, minimising vibration and noise.
The bearing’s temperature range of -30° to 200°C makes it suitable for diverse industrial applications.

Engineered for Reliability: 248/670 CAMA/W20 Bearing

248/670 CAMA/W20 Bearing’s cylindrical bore design simplifies installation, saving time and effort.
The lubrication holes ensure consistent grease distribution, reducing maintenance needs.
With a static radial load capacity of 2135685 lbf, it excels in high-stress scenarios.
Its brass cage enhances stability, making it ideal for long-term use.

Steel vs Ceramic Bearings: Strengths of 248/670 CAMA/W20 Bearing

248/670 CAMA/W20 Bearing’s chrome steel rollers provide superior strength and durability.
The material choice ensures excellent performance in high-temperature environments.
Its open design allows for easy lubrication, extending service life.
Weighing 175 kg, it is built for heavy industrial applications without compromising reliability.

Application

Industrial Uses of 248/670 CAMA/W20 Bearing
The 248/670 CAMA/W20 Bearing is commonly used in heavy machinery like crushers and mining equipment, where its double-row spherical design handles high radial and axial loads.
Its brass cage and chrome steel construction ensure durability in harsh environments, making it a reliable choice for long-term operations.

Where Is 248/670 CAMA/W20 Bearing Used?
You’ll often find 248/670 CAMA/W20 Bearing in large industrial gearboxes and wind turbines, where its high load capacity and stability are essential.
The metric sizing and open design make it easy to integrate into various systems, even under extreme temperatures.

Built for Heavy-Duty Use: 248/670 CAMA/W20 Bearing
248/670 CAMA/W20 Bearing excels in applications like paper mills and steel plants, where continuous operation and heavy loads are the norm.
The spherical roller design compensates for misalignment, reducing wear and tear on surrounding components.

Automotive vs Aerospace: Applications of 248/670 CAMA/W20 Bearing
In automotive testing rigs, 248/670 CAMA/W20 Bearing supports high loads during durability tests, thanks to its robust construction.
While not typically used in aerospace, its precision and reliability make it suitable for large-scale industrial simulations.

Practical Applications of 248/670 CAMA/W20 Bearing
For conveyor systems in ports and logistics hubs, 248/670 CAMA/W20 Bearing ensures smooth operation under heavy loads and variable speeds.
The lubrication groove design simplifies maintenance, extending service life even in dusty or humid conditions.

Q&A

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