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21315 E/C4 Double Row Spherical Roller Bearing
21315 E/C4 Double Row Spherical Roller Bearing

21315 E/C4 Double Row Spherical Roller Bearing

The 21315 E/C4 is a double-row spherical roller bearing with a 75mm bore and 160mm outer diameter, crafted from robust chrome steel. It handles combined loads up to 65419 lbf and operates smoothly at speeds up to 5600 RPM.

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

This bearing is suitable for high-temperature environments, working reliably from -30°C to 200°C. It’s interchangeable with SKF models, making it a practical choice for replacements.

Weighing 3.8kg, it’s a sturdy option for industrial machinery like gearboxes or conveyors where heavy radial and axial loads are common. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 21315 E/C4
  • Brand TFL
  • Interchangeable SKF
  • Size 75 x 160 x 37 mm
  • Bore Dia 75 mm
  • Bore Dia Tolerance -0.015mm to 0
  • Outer Dia 160 mm
  • Outer Dia Tolerance -0.025mm to 0
  • Width 37 mm
  • Width Tolerance -0.06mm to 0
  • Shoulder Dia Of Inner Ring 101 mm
  • Shoulder/Recess Dia Of Outer Ring 133 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 65419 lbf
  • Static Radial Load 73063 lbf
  • Max Speed 5600 rpm
  • Lubrication Required
  • Temperature Range -30° to 200 °C
  • Radial Clearance C4
  • RoHs Compliant
  • REACH Compliant
  • Weight 3.8 kg

Features

Performance Features of 21315 E/C4 Bearing

21315 E/C4 Bearing is built with chrome steel rings and rollers, offering high resistance to combined loads.
Its dynamic radial load capacity reaches 65419 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 5600 rpm, it delivers reliable performance in demanding environments.

21315 E/C4 Bearing operates efficiently in temperatures ranging from -30° to 200°C.
The C4 radial clearance provides flexibility for thermal expansion in various applications.

Application

Industrial Uses of 21315 E/C4 Bearing
21315 E/C4 Bearing is commonly used in heavy machinery like crushers and vibrating screens, where its double-row design handles combined loads efficiently. The spherical rollers adapt well to misalignment, reducing wear in demanding conditions.

Where Is 21315 E/C4 Bearing Used?
You’ll find 21315 E/C4 Bearing in conveyor systems, where its high dynamic radial load capacity keeps operations smooth. Its open design simplifies lubrication, making maintenance straightforward for busy industrial settings.

Built for Heavy-Duty Use: 21315 E/C4 Bearing
21315 E/C4 Bearing excels in mining equipment, thanks to its robust chrome steel construction. The C4 radial clearance ensures reliable performance even under thermal expansion in harsh environments.

Automotive vs Aerospace: Applications of 21315 E/C4 Bearing
In automotive applications, 21315 E/C4 Bearing supports gearboxes and axles, handling high radial loads with ease. For aerospace, its temperature range makes it suitable for auxiliary systems requiring durability.

Practical Applications of 21315 E/C4 Bearing
21315 E/C4 Bearing is a go-to for wind turbines, where its spherical rollers manage variable loads from rotor movements. The steel cage adds longevity, even in continuous operation.

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