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239/670 CA/C3W33 Double Row Spherical Roller Bearing

239/670 CA/C3W33 Double Row Spherical Roller Bearing

The 239/670 CA/C3W33 is a double-row spherical roller bearing with a large 670mm bore and 900mm outer diameter, built from tough chrome steel. It handles combined loads up to 1,156,867 lbf and runs smoothly at speeds up to 670 RPM.

Its brass cage and open design allow for easy lubrication, while the C3 radial clearance ensures reliable performance under heavy loads. The bearing operates in temperatures from -30°C to 200°C, making it suitable for demanding environments.

This model is interchangeable with SKF bearings, offering a practical replacement option. Ideal for heavy machinery like crushers or large gearboxes where high radial loads are common.

Weighing 310kg, it’s a robust choice for industrial applications. Compliant with RoHS and REACH standards for safe and sustainable use.

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Product Parameters

  • Part Number 239/670 CA/C3W33
  • Brand TFL
  • Interchangeable SKF
  • Size 670 x 900 x 170 mm
  • Bore Dia 670 mm
  • Bore Dia Tolerance -0.075mm to 0
  • Outer Dia 900 mm
  • Outer Dia Tolerance -0.1mm to 0
  • Width 170 mm
  • Width Tolerance -0.75mm to 0
  • Shoulder Dia Of Inner Ring 752 mm
  • Shoulder/Recess Dia Of Outer Ring 835 mm
  • Width Of Lubrication Groove 22.3 mm
  • Diameter Of Lubrication Hole 12 mm
  • Chamfer Dimension min.6 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 1156867 lbf
  • Static Radial Load 2427937 lbf
  • Max Speed 670 rpm
  • Lubrication Required
  • Temperature Range -30° to 200 °C
  • Radial Clearance C3
  • RoHs Compliant
  • REACH Compliant
  • Weight 310 kg
  • Price （US$） US$12,982.95

Features

Performance Features of 239/670 CA/C3W33 Bearing

239/670 CA/C3W33 Bearing is built with chrome steel rings and rollers, offering robust resistance to combined loads.
Its dynamic radial load capacity reaches 1,156,867 lbf, ensuring reliable operation in heavy-duty applications.

The brass cage maintains roller alignment, reducing friction and enhancing durability.
With a maximum speed of 670 rpm, it delivers consistent performance under demanding conditions.

239/670 CA/C3W33 Bearing operates efficiently in temperatures ranging from -30° to 200°C.
Its C3 radial clearance allows for thermal expansion, making it suitable for high-temperature environments.

The lubrication groove and hole design ensure proper oil distribution, reducing maintenance needs.
This design feature helps extend the bearing’s service life and maintain smooth operation.

239/670 CA/C3W33 Bearing’s double-row spherical construction accommodates misalignment and heavy loads.
Its precision engineering ensures reliable performance in industrial applications.

Application

Industrial Uses of 239/670 CA/C3W33 Bearing
The 239/670 CA/C3W33 Bearing is commonly used in heavy machinery like crushers and mining equipment, where its double-row 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 use.

Where Is 239/670 CA/C3W33 Bearing Used?
You’ll often find 239/670 CA/C3W33 Bearing in large industrial fans and paper mill machinery, where its spherical roller design accommodates misalignment.
The C3 radial clearance allows for thermal expansion, making it suitable for high-temperature applications.

Built for Heavy-Duty Use: 239/670 CA/C3W33 Bearing
239/670 CA/C3W33 Bearing excels in wind turbine gearboxes, where its combined load capacity supports consistent performance under varying conditions.
The lubrication groove design ensures smooth operation, even at maximum speeds of 670 rpm.

Automotive vs Aerospace: Applications of 239/670 CA/C3W33 Bearing
In automotive testing rigs, 239/670 CA/C3W33 Bearing handles extreme loads, while in aerospace ground equipment, its precision ensures safety.
The metric sizing and interchangeable design with SKF make it versatile for global applications.

Key Fields for 239/670 CA/C3W33 Bearing
239/670 CA/C3W33 Bearing is ideal for steel mill rollers, where its high static radial load capacity prevents deformation.
The temperature range of -30° to 200°C ensures reliability in both hot and cold operating conditions.

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