238/850 CAKMA/W20 Double Row Spherical Roller Bearing

238/850 CAKMA/W20 Double Row Spherical Roller Bearing

The 238/850 CAKMA/W20 is a double-row spherical roller bearing with a large 850mm bore and 1030mm outer diameter, built from tough chrome steel. It handles combined loads up to 872708 lbf and runs smoothly at speeds up to 530 RPM.

Its brass cage and spherical rollers ensure durability, while the tapered bore design simplifies installation. 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 reliable replacement option. Ideal for heavy machinery like crushers or large gearboxes where high radial and axial loads are present.

Weighing 235kg, it’s a robust choice for industrial applications. Compliant with RoHS and REACH standards, it requires regular lubrication for optimal performance.

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Product Parameters

  • Part Number 238/850 CAKMA/W20
  • Brand TFL
  • Interchangeable SKF
  • Size 850 x 1030 x 136 mm
  • Bore Dia 850 mm
  • Bore Dia Tolerance +0.09mm to 0
  • Outer Dia 1030 mm
  • Outer Dia Tolerance -0.125mm to 0
  • Width 136 mm
  • Width Tolerance -1mm to 0
  • Shoulder Dia Of Inner Ring 912 mm
  • Shoulder/Recess Dia Of Outer Ring 981 mm
  • Diameter Of Lubrication Hole 12 mm
  • Chamfer Dimension min.5 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 872708 lbf
  • Static Radial Load 2248089 lbf
  • Max Speed 530 rpm
  • Lubrication Required
  • Temperature Range -30° to 200 °C
  • Radial Clearance CN
  • RoHs Compliant
  • REACH Compliant
  • Weight 235 kg
  • Price (US$) US$21,253.66

Features

How Does 238/850 CAKMA/W20 Bearing Handle Heavy Loads?

238/850 CAKMA/W20 Bearing is built with chrome steel rings and rollers, offering robust resistance to combined loads.
Its dynamic radial load capacity reaches 872708 lbf, ensuring dependable performance in heavy-duty applications.
The brass cage maintains roller alignment, reducing friction and enhancing durability.
With a maximum speed of 530 rpm, it combines strength and efficiency for demanding industrial use.

Application

Industrial Uses of 238/850 CAKMA/W20 Bearing
This bearing is commonly used in heavy machinery like crushers and vibrating screens, where its double-row spherical design handles misalignment and heavy radial loads.
The brass cage ensures smooth operation even under high stress, making it suitable for mining and construction equipment.

Where Is 238/850 CAKMA/W20 Bearing Used?
You’ll often find this bearing in large industrial gearboxes, where its tapered bore provides a secure fit for high-torque applications.
Its chrome steel construction also makes it reliable for use in paper mills and steel plants, where durability is key.

Built for Heavy-Duty Use: 238/850 CAKMA/W20 Bearing
This bearing excels in wind turbine applications, supporting the main shaft with its high dynamic load capacity.
The open design allows for easy lubrication, which is essential for maintaining performance in remote or harsh environments.

Automotive vs Aerospace: Applications of 238/850 CAKMA/W20 Bearing
While too large for most automotive uses, this bearing is ideal for aerospace ground support equipment like aircraft tugs.
Its ability to handle combined loads makes it versatile for heavy lifting and positioning systems in both industries.

Essential Roles of 238/850 CAKMA/W20 Bearing
In marine applications, this bearing supports propeller shafts, where its corrosion-resistant materials and high load capacity are crucial.
The metric sizing ensures compatibility with international equipment standards, simplifying maintenance and replacements.

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