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21313 EK/C3 Double Row Spherical Roller Bearing
21313 EK/C3 Double Row Spherical Roller Bearing

21313 EK/C3 Double Row Spherical Roller Bearing

The 21313 EK/C3 is a double-row spherical roller bearing with a 65mm bore and 140mm outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 54629 lbf and runs smoothly at speeds up to 6000 RPM.

Its open design allows for easy lubrication, while the steel cage ensures durability. The tapered bore (1:12) simplifies mounting, and the C3 radial clearance accommodates thermal expansion.

This bearing suits heavy-duty applications like industrial gearboxes or mining equipment, where high radial loads and misalignment are common. It operates in temperatures from -30°C to 200°C.

Weighing 2.55kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 21313 EK/C3
  • Brand TFL
  • Interchangeable SKF
  • Size 65 x 140 x 33 mm
  • Bore Dia 65 mm
  • Bore Dia Tolerance +0.03mm to 0
  • Outer Dia 140 mm
  • Outer Dia Tolerance -0.018mm to 0
  • Width 33 mm
  • Width Tolerance -0.06mm to 0
  • Shoulder Dia Of Inner Ring 94.7 mm
  • Shoulder/Recess Dia Of Outer Ring 124 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 Taper 1:12
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 54629 lbf
  • Static Radial Load 60698 lbf
  • Max Speed 6000 rpm
  • Lubrication Required
  • Temperature Range -30° to 200 °C
  • Radial Clearance C3
  • RoHs Compliant
  • REACH Compliant
  • Weight 2.55 kg
  • Price (US$) 61.39

Features

Performance Features of 21313 EK/C3 Bearing

21313 EK/C3 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 54629 lbf, ensuring reliable performance in heavy-duty applications.
The double-row spherical roller design accommodates misalignment, enhancing operational flexibility.

How Is 21313 EK/C3 Bearing Engineered for Reliability?

21313 EK/C3 Bearing features a steel cage that maintains roller alignment, reducing friction and wear.
With a maximum speed of 6000 rpm, it delivers consistent performance under high-speed conditions.
The tapered bore design ensures secure fitting, minimising slippage during operation.

Built for Durability: 21313 EK/C3 Bearing

21313 EK/C3 Bearing operates efficiently in temperatures ranging from -30° to 200 °C.
Its C3 radial clearance allows for thermal expansion, preventing premature failure.
The lubrication groove and holes ensure even oil distribution, extending service life.

Why Choose 21313 EK/C3 Bearing for Precision Tasks?

21313 EK/C3 Bearing’s spherical roller design compensates for shaft misalignment, improving accuracy.
The chrome steel construction resists wear, maintaining performance over time.
Its open design simplifies lubrication, reducing maintenance efforts.

Steel vs Ceramic Bearings: Strengths of 21313 EK/C3 Bearing

21313 EK/C3 Bearing’s chrome steel rollers provide excellent load-bearing capacity and durability.
The steel cage ensures stability, even under high radial and axial loads.
With a static radial load of 60698 lbf, it outperforms many alternatives in demanding conditions.

Application

Industrial Uses of 21313 EK/C3 Bearing
21313 EK/C3 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 type ensures smooth operation even with shaft misalignment.

In automotive applications, 21313 EK/C3 Bearing supports components such as differential systems and wheel hubs, thanks to its high load capacity. The taper bore design allows for secure mounting on shafts, reducing slippage risks.

For industrial fans and blowers, 21313 EK/C3 Bearing’s C3 radial clearance accommodates thermal expansion during high-speed operation. Its chrome steel construction offers durability in demanding environments, making it a reliable choice.

Where Is 21313 EK/C3 Bearing Used?
21313 EK/C3 Bearing finds its place in conveyor systems, where its combined load capability ensures consistent performance under varying stresses. The open seal design simplifies lubrication, extending service intervals.

In construction equipment like excavators, 21313 EK/C3 Bearing’s robust build withstands shock loads and harsh conditions. The steel cage enhances stability, preventing roller misalignment during heavy use.

Designed for Versatility: 21313 EK/C3 Bearing
21313 EK/C3 Bearing is ideal for paper mill machinery, where its high-temperature tolerance up to 200°C ensures reliability. The lubrication groove design promotes even oil distribution, reducing wear.

In agricultural machinery, 21313 EK/C3 Bearing handles dusty environments well, thanks to its open seal and easy maintenance. The metric sizing ensures compatibility with a wide range of equipment.

Light-Duty vs Heavy-Duty: Best Uses for 21313 EK/C3 Bearing
For light-duty applications like small pumps, 21313 EK/C3 Bearing provides sufficient load support without over-engineering. Its compact width fits neatly into space-constrained designs.

In heavy-duty scenarios like mining equipment, 21313 EK/C3 Bearing’s dynamic radial load capacity of 54,629 lbf ensures longevity. The spherical rollers adapt to misalignment, reducing stress on adjacent components.

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