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21312 E Double Row Spherical Roller Bearing
21312 E Double Row Spherical Roller Bearing

21312 E Double Row Spherical Roller Bearing

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

Its open design allows for easy lubrication, while the steel cage ensures durability. The bearing performs well in temperatures ranging from -30°C to 200°C, making it versatile for various conditions.

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

Weighing 2.05kg, it’s a solid choice for machinery requiring high load capacity and long service life. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 21312 E
  • 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$) 54.01

Features

Performance Features of 21312 E Bearing

21312 E Bearing is built with chrome steel rings and rollers, offering excellent resistance to combined loads.
Its dynamic radial load capacity reaches 48784 lbf, making it suitable for heavy-duty applications.

The double-row spherical roller design ensures smooth operation even under misalignment conditions.
With a maximum speed of 6300 rpm, it delivers reliable performance in various industrial settings.

21312 E Bearing operates efficiently in temperatures ranging from -30° to 200°C.
Its steel cage maintains roller alignment, reducing wear and extending service life.

The lubrication groove and hole design in 21312 E Bearing ensure proper lubrication distribution.
This feature helps maintain performance and reduces maintenance requirements.

21312 E Bearing’s cylindrical bore simplifies installation and alignment processes.
Its standard radial clearance (CN) provides consistent performance across different applications.

Application

Industrial Uses of 21312 E Bearing
The 21312 E Bearing is commonly used in heavy machinery like crushers and vibrating screens, where its double-row spherical design handles misalignment and heavy loads effortlessly.
Its chrome steel construction ensures durability even in harsh industrial environments, making it a reliable choice for long-term use.

Where Is 21312 E Bearing Used?
You’ll often find the 21312 E Bearing in mining equipment, where its ability to withstand high radial loads and misalignment is crucial.
The open seal design allows for easy lubrication, ensuring smooth operation in dusty or high-temperature conditions.

Built for Heavy-Duty Use: 21312 E Bearing
The 21312 E Bearing excels in applications like conveyor systems, where its combined load capacity and high-speed performance are essential.
With a temperature range of -30° to 200°C, it’s versatile enough for both hot and cold environments.

Automotive vs Aerospace: Applications of 21312 E Bearing
In automotive settings, the 21312 E Bearing supports components like drivetrains, offering stability under heavy loads.
For aerospace, its precision and reliability make it suitable for auxiliary systems, though it’s more commonly seen in ground-based machinery.

Practical Applications of 21312 E Bearing
The 21312 E Bearing is a go-to for wind turbines, where its spherical rollers accommodate shaft deflections and dynamic loads.
Its steel cage and chrome steel rollers provide a balance of strength and longevity, reducing maintenance needs.

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