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21309EK CC W33 Double Row Spherical Roller Bearing
21309EK CC W33 Double Row Spherical Roller Bearing

21309EK CC W33 Double Row Spherical Roller Bearing

The 21309EK CC W33 is a double-row spherical roller bearing with a 45mm bore and 100mm outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 29000 lbf and operates smoothly at speeds reaching 8500 RPM.

Its open design and lubrication groove make maintenance straightforward, while the steel cage ensures durability. The bearing performs reliably in temperatures ranging from -30°C to 200°C.

This model is interchangeable with SKF bearings, offering a dependable replacement option. Suitable for heavy-duty applications like industrial gearboxes or mining equipment where robust performance is needed.

Weighing 0.98kg, it balances strength and practicality. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 21309EK CC W33
  • Brand TFL
  • Interchangeable SKF
  • Size 45 x 100 x 25 mm
  • Bore Dia 45 mm
  • Bore Dia Tolerance +0.025mm to 0
  • Outer Dia 100 mm
  • Outer Dia Tolerance -0.015mm to 0
  • Width 25 mm
  • Width Tolerance -0.06mm to 0
  • Shoulder Dia Of Inner Ring 65.3 mm
  • Shoulder/Recess Dia Of Outer Ring 88 mm
  • Width Of Lubrication Groove 6 mm
  • Diameter Of Lubrication Hole 3 mm
  • Chamfer Dimension min.1.5 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 Steel
  • Dynamic Radial Load 29000 lbf
  • Static Radial Load 28551 lbf
  • Max Speed 8500 rpm
  • Lubrication Required
  • Temperature Range -30° to 200 °C
  • Radial Clearance CN
  • RoHs Compliant
  • REACH Compliant
  • Weight 0.98 kg
  • Price (US$) 32.4

Features

Performance Features of 21309EK CC W33 Bearing

21309EK CC W33 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 29000 lbf, ensuring reliable performance in demanding conditions.

The double-row spherical roller design allows for slight misalignment, reducing stress and wear.
With a maximum speed of 8500 rpm, it balances durability and efficiency in high-speed applications.

21309EK CC W33 Bearing operates in temperatures from -30° to 200°C, making it suitable for varied environments.
The steel cage maintains roller alignment, enhancing longevity and reducing maintenance needs.

Application

Industrial Uses of 21309EK CC W33 Bearing
21309EK CC W33 Bearing is commonly used in heavy machinery like crushers and vibrating screens, where its double-row design handles both radial and axial loads efficiently. The spherical roller construction also compensates for minor misalignments, ensuring smooth operation.

What Makes 21309EK CC W33 Bearing a Preferred Choice?
In mining equipment, 21309EK CC W33 Bearing’s high dynamic load capacity makes it ideal for conveyor systems and gearboxes. Its steel cage and chrome steel rollers provide durability in harsh, dusty environments.

Perfect Fit for Automation: 21309EK CC W33 Bearing
For robotic arms and automated assembly lines, 21309EK CC W33 Bearing offers reliable performance with its tapered bore for secure mounting. The lubrication groove ensures consistent performance even during high-speed operations.

Automotive vs Aerospace: Applications of 21309EK CC W33 Bearing
In automotive drivetrains, 21309EK CC W33 Bearing supports heavy loads in differentials and wheel hubs. Its temperature range also makes it suitable for aerospace applications like landing gear systems.

Essential Roles of 21309EK CC W33 Bearing
21309EK CC W33 Bearing is vital in wind turbines, where its ability to handle combined loads and misalignment ensures long service life. The open design allows for easy relubrication, reducing maintenance downtime.

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