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21307 CC/C3 Double Row Spherical Roller Bearing

21307 CC/C3 Double Row Spherical Roller Bearing

The 21307 CC/C3 is a double-row spherical roller bearing with a 35mm bore and 80mm outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 17805 lbf and operates smoothly at speeds up to 9500 RPM.

Its open design allows for easy lubrication, while the steel cage ensures durability under heavy use. The bearing performs well in temperatures ranging from -30°C to 200°C.

This model is interchangeable with SKF bearings, making it a practical choice for replacements. Suitable for applications like industrial gearboxes or heavy machinery where combined loads are common.

Weighing 0.54kg, it offers a robust yet manageable size. Compliant with RoHS and REACH standards for safe and reliable use.

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Product Parameters

  • Part Number 21307 CC/C3
  • Brand TFL
  • Interchangeable SKF
  • Size 35 x 80 x 21 mm
  • Bore Dia 35 mm
  • Bore Dia Tolerance -0.012mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.013mm to 0
  • Width 21 mm
  • Width Tolerance -0.06mm to 0
  • Shoulder Dia Of Inner Ring 47.2 mm
  • Shoulder/Recess Dia Of Outer Ring 65.6 mm
  • Chamfer Dimension min.1.5 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 Steel
  • Dynamic Radial Load 17805 lbf
  • Static Radial Load 16186 lbf
  • Max Speed 9500 rpm
  • Lubrication Required
  • Temperature Range -30° to 200 °C
  • Radial Clearance C3
  • RoHs Compliant
  • REACH Compliant
  • Weight 0.54 kg
  • Price （US$） 30.77

Features

Performance Features of 21307 CC/C3 Bearing

21307 CC/C3 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 17805 lbf, ensuring reliable performance in heavy-duty applications.

The double-row spherical roller design allows for smooth operation even under misalignment conditions.
With a maximum speed of 9500 rpm, it delivers both durability and efficiency.

21307 CC/C3 Bearing operates in temperatures from -30° to 200°C, making it suitable for varied environments.
The C3 radial clearance ensures optimal performance under thermal expansion conditions.

Application

Industrial Uses of 21307 CC/C3 Bearing
21307 CC/C3 Bearing is commonly used in heavy machinery like conveyor systems and crushers, where its double-row design handles both radial and axial loads efficiently.
The spherical roller construction allows for slight misalignment, making it suitable for rugged industrial environments.

Where Is 21307 CC/C3 Bearing Used?
In automotive applications, 21307 CC/C3 Bearing supports components like gearboxes and differentials, ensuring smooth operation under high loads.
Its high-speed capability and temperature resistance make it reliable for demanding driving conditions.

Built for Heavy-Duty Use: 21307 CC/C3 Bearing
21307 CC/C3 Bearing excels in construction equipment, such as excavators and cranes, where durability and load capacity are critical.
The chrome steel rollers and steel cage provide long-lasting performance even in harsh conditions.

Automotive vs Aerospace: Applications of 21307 CC/C3 Bearing
In automotive systems, 21307 CC/C3 Bearing is ideal for transmissions and axles, offering robust performance.
For aerospace, its high-speed tolerance and reliability make it suitable for auxiliary systems like landing gear mechanisms.

Perfect Fit for Automation: 21307 CC/C3 Bearing
21307 CC/C3 Bearing is a great choice for robotic arms and automated assembly lines, where precision and load handling are key.
The C3 radial clearance ensures smooth operation even under varying thermal conditions.

Q&A

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