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21305 CJ Double Row Spherical Roller Bearing
21305 CJ Double Row Spherical Roller Bearing

21305 CJ Double Row Spherical Roller Bearing

The 21305 CJ is a double-row spherical roller bearing with a 25mm bore and 62mm outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 11038 lbf and reaches speeds of 12000 RPM.

Its open design and steel cage ensure durability, while the spherical rollers accommodate misalignment. The bearing operates smoothly in temperatures from -30°C to 200°C.

This model is interchangeable with SKF bearings, offering a reliable replacement option. Suitable for heavy-duty applications like industrial gearboxes or conveyor systems.

Weighing 0.27kg, it’s robust yet manageable. Compliant with RoHS and REACH standards for safe usage.

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Product Parameters

  • Part Number 21305 CJ
  • Brand TFL
  • Interchangeable SKF
  • Size 25 x 62 x 17 mm
  • Bore Dia 25 mm
  • Bore Dia Tolerance -0.01mm to 0
  • Outer Dia 62 mm
  • Outer Dia Tolerance -0.013mm to 0
  • Width 17 mm
  • Width Tolerance -0.06mm to 0
  • Shoulder Dia Of Inner Ring 35.7 mm
  • Shoulder/Recess Dia Of Outer Ring 50.7 mm
  • Chamfer Dimension min.1.1 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 11038 lbf
  • Static Radial Load 933 lbf
  • Max Speed 12000 rpm
  • Lubrication Required
  • Temperature Range -30° to 200 °C
  • Radial Clearance CN
  • RoHs Compliant
  • REACH Compliant
  • Weight 0.27 kg
  • Price (US$) 19.44

Features

How Does 21305 CJ Bearing Handle Combined Loads?

21305 CJ Bearing is built with chrome steel rings and rollers, offering robust resistance to combined radial and thrust loads.
Its dynamic radial load capacity reaches 11038 lbf, ensuring dependable performance in tough conditions.
The double-row spherical roller design allows for slight misalignment, reducing stress on the bearing.
With a maximum speed of 12,000 rpm, it delivers both durability and efficiency.

What Makes 21305 CJ Bearing Suitable for High-Temperature Applications?

21305 CJ Bearing operates reliably in temperatures ranging from -30° to 200°C, making it ideal for demanding environments.
The chrome steel construction ensures stability and performance even under thermal stress.
Its open design allows for easy lubrication, maintaining smooth operation.
The spherical roller design further enhances its ability to handle thermal expansion and misalignment.

Engineered for Precision: 21305 CJ Bearing

21305 CJ Bearing features a double-row spherical roller design, providing precise alignment and reduced friction.
The chrome steel rollers and rings ensure consistent performance under heavy loads.
With a radial clearance of CN, it offers optimal fit and function in various applications.
Its 17 mm width and 62 mm outer diameter make it compact yet highly capable.

Application

Industrial Uses of 21305 CJ Bearing
21305 CJ 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 chrome steel construction ensures durability even in demanding industrial environments.

What Makes 21305 CJ Bearing a Preferred Choice?
In automotive applications, 21305 CJ Bearing works well in gearboxes and differentials, thanks to its ability to manage combined loads. The high-speed capability of up to 12000 rpm makes it suitable for performance vehicles.

Built for Heavy-Duty Use: 21305 CJ Bearing
For automation equipment, 21305 CJ Bearing provides reliable performance in robotic arms and assembly lines. Its open design allows for easy lubrication, ensuring smooth operation over long periods.

Medical vs Industrial: Where 21305 CJ Bearing Excels
While 21305 CJ Bearing isn’t typically used in medical devices, it shines in industrial settings like pumps and compressors. The wide temperature range of -30° to 200°C makes it adaptable to various working conditions.

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