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21310 E/C3 Double Row Spherical Roller Bearing
21310 E/C3 Double Row Spherical Roller Bearing

21310 E/C3 Double Row Spherical Roller Bearing

The 21310 E/C3 is a double row spherical roller bearing with a 50mm bore and 110mm outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 35745 lbf and operates smoothly at speeds up to 7500 RPM.

Its open design and C3 radial clearance allow for easy lubrication, while the steel cage ensures durability. The bearing performs reliably in temperatures ranging from -30°C to 200°C.

This model is interchangeable with SKF bearings, making it a practical choice for replacements. Suitable for heavy-duty applications like industrial gearboxes or mining equipment where combined loads are common.

Weighing 1.3kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 21310 E/C3
  • Brand TFL
  • Interchangeable SKF
  • Size 50 x 110 x 27 mm
  • Bore Dia 50 mm
  • Bore Dia Tolerance -0.012mm to 0
  • Outer Dia 110 mm
  • Outer Dia Tolerance -0.015mm to 0
  • Width 27 mm
  • Width Tolerance -0.06mm to 0
  • Shoulder Dia Of Inner Ring 72.7 mm
  • Shoulder/Recess Dia Of Outer Ring 96.8 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 C3
  • RoHs Compliant
  • REACH Compliant
  • Weight 1.3 kg
  • Price (US$) 38.86

Features

How Is 21310 E/C3 Bearing Engineered for Reliability?

21310 E/C3 Bearing features a double-row spherical roller design, ideal for handling combined radial and thrust loads.
Its chrome steel construction ensures durability and resistance to wear in demanding conditions.
The C3 radial clearance allows for thermal expansion, maintaining performance at high speeds up to 7,500 rpm.
With a dynamic radial load capacity of 35,745 lbf, it delivers reliable operation in heavy-duty applications.

What Makes 21310 E/C3 Bearing Suitable for High-Temperature Applications?

21310 E/C3 Bearing operates efficiently in temperatures ranging from -30° to 200°C.
The chrome steel rollers and rings provide excellent heat resistance and structural integrity.
Its double-row design distributes loads evenly, reducing stress and extending service life.
The lubrication groove and holes ensure consistent performance even under extreme conditions.

Designed for Durability: 21310 E/C3 Bearing

21310 E/C3 Bearing is built with high-quality chrome steel for enhanced strength and longevity.
The spherical roller design compensates for misalignment, ensuring smooth operation.
With a static radial load capacity of 37,318 lbf, it handles heavy loads with ease.
Its open construction allows for easy lubrication, reducing maintenance needs.

Application

Industrial Uses of 21310 E/C3 Bearing
21310 E/C3 Bearing is commonly used in heavy machinery like crushers and vibrating screens, where its double-row design handles combined loads effectively. The spherical rollers adapt well to misalignment, ensuring smooth operation in demanding conditions.

What Makes 21310 E/C3 Bearing a Preferred Choice?
In conveyor systems, 21310 E/C3 Bearing’s high dynamic radial load capacity makes it reliable for continuous operation. Its open design allows for easy lubrication, extending service life in dusty or high-temperature environments.

Built for Heavy-Duty Use: 21310 E/C3 Bearing
For mining equipment, 21310 E/C3 Bearing’s chrome steel construction resists wear under extreme loads. The C3 radial clearance accommodates thermal expansion, making it suitable for fluctuating temperatures.

Automotive vs Aerospace: Applications of 21310 E/C3 Bearing
In truck wheel hubs, 21310 E/C3 Bearing provides stability under heavy loads, while its metric sizing ensures compatibility. The aerospace industry values its precision in auxiliary systems, though primary applications remain ground-based.

Perfect Fit for Automation: 21310 E/C3 Bearing
Robotic arms benefit from 21310 E/C3 Bearing’s ability to handle both radial and axial forces. The steel cage ensures durability in repetitive motion scenarios, reducing maintenance needs.

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