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239/850 CAK/W33 Double Row Spherical Roller Bearing

239/850 CAK/W33 Double Row Spherical Roller Bearing

The 239/850 CAK/W33 is a double-row spherical roller bearing with a large 850mm bore and 1120mm outer diameter, built from tough chrome steel. It handles heavy combined loads up to 1,589,849 lbf and runs smoothly at speeds up to 480 RPM.

Its brass cage and tapered bore design ensure reliable performance, while the open seal allows for easy lubrication. The bearing operates in temperatures from -30°C to 200°C, making it suitable for harsh environments.

With a weight of 520kg, this robust bearing is ideal for heavy-duty applications like mining equipment or large industrial machinery. It meets RoHS and REACH standards for safety and environmental compliance.

The lubrication groove and holes simplify maintenance, extending its service life. Compatible with SKF bearings, it’s a practical choice for replacements or upgrades.

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Product Parameters

  • Part Number 239/850 CAK/W33
  • Brand TFL
  • Interchangeable SKF
  • Size 850 x 1120 x 200 mm
  • Bore Dia 850 mm
  • Bore Dia Tolerance +0.09mm to 0
  • Outer Dia 1120 mm
  • Outer Dia Tolerance -0.125mm to 0
  • Width 200 mm
  • Width Tolerance -1mm to 0
  • Shoulder Dia Of Inner Ring 946 mm
  • Shoulder/Recess Dia Of Outer Ring 1046 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 Taper 1:12
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Brass
  • Dynamic Radial Load 1589849 lbf
  • Static Radial Load 350702 lbf
  • Max Speed 480 rpm
  • Lubrication Required
  • Temperature Range -30° to 200 °C
  • Radial Clearance CN
  • RoHs Compliant
  • REACH Compliant
  • Weight 520 kg
  • Price （US$） US$22,544.36

Features

Performance Features of 239/850 CAK/W33 Bearing

239/850 CAK/W33 Bearing is built with chrome steel rings and rollers, offering robust resistance to combined loads.
Its dynamic radial load capacity reaches 1,589,849 lbf, ensuring reliable performance in heavy-duty applications.
The brass cage maintains roller alignment, reducing friction and extending operational life.

How Does 239/850 CAK/W33 Bearing Withstand High Temperatures?

239/850 CAK/W33 Bearing operates efficiently in temperatures ranging from -30° to 200°C.
Its chrome steel construction ensures stability and durability even in extreme conditions.
The open design allows for effective lubrication, further enhancing heat resistance.

Designed for Durability: 239/850 CAK/W33 Bearing

239/850 CAK/W33 Bearing features a double-row spherical roller design, ideal for handling misalignment and heavy loads.
The tapered bore ensures secure fitting, reducing slippage and wear.
With a maximum speed of 480 rpm, it balances performance and longevity.

Open vs Sealed Bearings: Benefits of 239/850 CAK/W33 Bearing

239/850 CAK/W33 Bearing’s open design simplifies lubrication, ensuring consistent performance.
The wide lubrication groove and holes allow for easy maintenance, reducing downtime.
Its chrome steel rollers and brass cage provide reliable operation in demanding environments.

Application

Industrial Uses of 239/850 CAK/W33 Bearing
The 239/850 CAK/W33 Bearing is commonly used in heavy machinery like crushers and vibrating screens, where its double-row design handles combined loads effectively.
Its brass cage and chrome steel construction ensure durability in harsh industrial environments, making it a reliable choice for long-term use.

Where Is 239/850 CAK/W33 Bearing Used?
You’ll often find the 239/850 CAK/W33 Bearing in mining equipment, where its high dynamic radial load capacity supports heavy-duty operations.
The tapered bore design also simplifies installation in large shafts, reducing downtime during maintenance.

Built for Heavy-Duty Use: 239/850 CAK/W33 Bearing
The 239/850 CAK/W33 Bearing excels in paper mills and steel plants, where its spherical roller design accommodates misalignment.
With a temperature range of -30° to 200°C, it performs reliably in both hot and cold working conditions.

Automotive vs Aerospace: Applications of 239/850 CAK/W33 Bearing
While the 239/850 CAK/W33 Bearing isn’t typical in cars, it’s vital in large aerospace ground support equipment.
Its high static radial load capacity makes it suitable for heavy lifting applications, like aircraft tow tractors.

Practical Applications of 239/850 CAK/W33 Bearing
In wind turbines, the 239/850 CAK/W33 Bearing supports the main shaft, handling variable wind loads with ease.
The lubrication groove design ensures smooth operation, even in remote or hard-to-access locations.

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