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21311 E/W64 Double Row Spherical Roller Bearing

21311 E/W64 Double Row Spherical Roller Bearing

The 21311 E/W64 is a double-row spherical roller bearing with a 55mm bore and 120mm outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 35745 lbf and runs smoothly at speeds up to 7500 RPM.

Its open design and steel cage ensure durability, while the lubrication groove and holes make maintenance straightforward. The bearing operates efficiently 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 mining equipment where high radial loads are present.

Weighing 1.7kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and sustainable use.

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Product Parameters

  • Part Number 21311 E/W64
  • Brand TFL
  • Interchangeable SKF
  • Size 55 x 120 x 29 mm
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.015mm to 0
  • Outer Dia 120 mm
  • Outer Dia Tolerance -0.015mm to 0
  • Width 29 mm
  • Width Tolerance -0.06mm to 0
  • Shoulder Dia Of Inner Ring 72.7 mm
  • Shoulder/Recess Dia Of Outer Ring 96.2 mm
  • Width Of Lubrication Groove 6 mm
  • Diameter Of Lubrication Hole 3 mm
  • Chamfer Dimension min.2 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 35745 lbf
  • Static Radial Load 37318 lbf
  • Max Speed 7500 rpm
  • Lubrication Required
  • Temperature Range -30° to 200 °C
  • Radial Clearance CN
  • RoHs Compliant
  • REACH Compliant
  • Weight 1.7 kg
  • Price （US$） 83.76

Features

Performance Features of 21311 E/W64 Bearing

21311 E/W64 Bearing is built with chrome steel rings and rollers, offering robust resistance to combined loads.
Its dynamic radial load capacity reaches 35745 lbf, ensuring reliable operation under stress.

The double-row spherical roller design allows for slight misalignment, enhancing durability in real-world conditions.
With a maximum speed of 7500 rpm, it delivers both strength and efficiency.

21311 E/W64 Bearing operates in temperatures from -30° to 200°C, suitable for varied environments.
The steel cage maintains roller alignment, reducing friction and extending service life.

Lubrication grooves and holes in 21311 E/W64 Bearing ensure consistent performance with minimal maintenance.
Its standard radial clearance (CN) balances precision and adaptability for diverse applications.

Application

Industrial Uses of 21311 E/W64 Bearing
21311 E/W64 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 adapts well to misalignment, reducing wear in demanding conditions.

Where Is 21311 E/W64 Bearing Used?
You’ll often find 21311 E/W64 Bearing in mining equipment, where its high dynamic load capacity ensures reliable performance under extreme stress. The open design simplifies lubrication, keeping operations smooth even in dusty environments.

Built for Heavy-Duty Use: 21311 E/W64 Bearing
21311 E/W64 Bearing excels in industrial fans and pumps, thanks to its robust chrome steel construction. Its wide temperature range makes it suitable for both hot and cold operating conditions.

Automotive vs Aerospace: Applications of 21311 E/W64 Bearing
In automotive applications, 21311 E/W64 Bearing supports gearboxes and drivetrains, while in aerospace, it’s used in auxiliary systems requiring high precision. The metric sizing ensures compatibility across various industries.

Essential Roles of 21311 E/W64 Bearing
21311 E/W64 Bearing is a go-to choice for paper mill machinery, where its durability and load capacity keep production lines running smoothly. The steel cage adds extra strength, making it a dependable option for long-term use.

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