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21312 E/W64 Double Row Spherical Roller Bearing

21312 E/W64 Double Row Spherical Roller Bearing

The 21312 E/W64 is a double row spherical roller bearing with a 60mm bore and 130mm outer diameter, crafted from robust chrome steel. It handles combined loads up to 48784 lbf and operates smoothly at speeds up to 6300 RPM.

Its spherical roller design accommodates misalignment, while the steel cage ensures durability. The open construction allows for easy lubrication, with grooves and holes designed for efficient maintenance.

This bearing suits high-load applications like industrial gearboxes or heavy machinery, where reliability is key. It performs well in temperatures from -30°C to 200°C.

Weighing 2.05kg, it’s built for demanding environments. Compliant with RoHS and REACH standards, it’s interchangeable with SKF models for easy replacement.

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Product Parameters

  • Part Number 21312 E/W64
  • Brand TFL
  • Interchangeable SKF
  • Size 60 x 130 x 31 mm
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.015mm to 0
  • Outer Dia 130 mm
  • Outer Dia Tolerance -0.018mm to 0
  • Width 31 mm
  • Width Tolerance -0.06mm to 0
  • Shoulder Dia Of Inner Ring 87.8 mm
  • Shoulder/Recess Dia Of Outer Ring 115 mm
  • Width Of Lubrication Groove 6 mm
  • Diameter Of Lubrication Hole 3 mm
  • Chamfer Dimension min.2.1 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 48784 lbf
  • Static Radial Load 53954 lbf
  • Max Speed 6300 rpm
  • Lubrication Required
  • Temperature Range -30° to 200 °C
  • Radial Clearance CN
  • RoHs Compliant
  • REACH Compliant
  • Weight 2.05 kg
  • Price （US$） 87.78

Features

Performance Features of 21312 E/W64 Bearing

21312 E/W64 Bearing is built with chrome steel rings and rollers, offering robust resistance to combined loads.
Its dynamic radial load capacity reaches 48784 lbf, ensuring reliable operation in heavy-duty applications.

The double-row spherical roller design allows for slight misalignment, maintaining performance under stress.
With a maximum speed of 6300 rpm, it delivers both durability and efficiency.

21312 E/W64 Bearing operates in temperatures from -30° to 200°C, suitable for varied industrial environments.
The steel cage ensures proper roller alignment, reducing friction and extending service life.

Lubrication grooves and holes in 21312 E/W64 Bearing facilitate easy maintenance, enhancing long-term reliability.
Its standard radial clearance (CN) ensures smooth operation across different load conditions.

Application

Industrial Uses of 21312 E/W64 Bearing
21312 E/W64 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 allows for slight misalignment, making it ideal for rugged industrial environments.

Where Is 21312 E/W64 Bearing Used?
In mining equipment, 21312 E/W64 Bearing provides reliable performance under extreme conditions, thanks to its chrome steel rollers and robust cage.
Its high dynamic load capacity ensures longevity even in demanding applications like conveyor systems.

Built for Heavy-Duty Use: 21312 E/W64 Bearing
21312 E/W64 Bearing excels in paper mills and steel plants, where continuous operation and high temperatures are common.
The lubrication groove design ensures smooth performance, reducing downtime for maintenance.

Automotive vs Aerospace: Applications of 21312 E/W64 Bearing
In automotive applications, 21312 E/W64 Bearing supports heavy axles and transmissions, offering durability under combined loads.
For aerospace, its high-speed capability and temperature resistance make it suitable for auxiliary systems.

Key Fields for 21312 E/W64 Bearing
21312 E/W64 Bearing is a go-to choice for wind turbines, where its ability to handle variable loads and misalignment is crucial.
The steel cage and chrome steel rollers ensure reliable performance in these high-stress environments.

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