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21309 EK/W64 Double Row Spherical Roller Bearing
21309 EK/W64 Double Row Spherical Roller Bearing

21309 EK/W64 Double Row Spherical Roller Bearing

The 21309 EK/W64 is a double-row spherical roller bearing with a 45mm bore and 100mm outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 29000 lbf and operates smoothly at speeds up to 8500 RPM.

Its tapered bore design ensures a secure fit, while the open construction allows for easy lubrication. The steel cage enhances durability, making it suitable for heavy-duty applications.

This bearing works in temperatures from -30°C to 200°C, ideal for harsh environments. It’s interchangeable with SKF models, offering a reliable replacement option.

Weighing 0.98kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for industrial machinery and gear systems.

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Product Parameters

  • Part Number 21309 EK/W64
  • Brand TFL
  • Interchangeable SKF
  • Size 45 x 100 x 25 mm
  • Bore Dia 45 mm
  • Bore Dia Tolerance +0.025mm to 0
  • Outer Dia 100 mm
  • Outer Dia Tolerance -0.015mm to 0
  • Width 25 mm
  • Width Tolerance -0.06mm to 0
  • Shoulder Dia Of Inner Ring 65.3 mm
  • Shoulder/Recess Dia Of Outer Ring 88 mm
  • Width Of Lubrication Groove 6 mm
  • Diameter Of Lubrication Hole 3 mm
  • Chamfer Dimension min.1.5 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 29000 lbf
  • Static Radial Load 28551 lbf
  • Max Speed 8500 rpm
  • Lubrication Required
  • Temperature Range -30° to 200 °C
  • Radial Clearance CN
  • RoHs Compliant
  • REACH Compliant
  • Weight 0.98 kg

Features

Performance Features of 21309 EK/W64 Bearing

21309 EK/W64 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 29000 lbf, ensuring reliable performance in heavy-duty applications.
The double-row spherical roller design accommodates misalignment, reducing stress and wear.
With a maximum speed of 8500 rpm, it balances durability and efficiency in demanding conditions.

How Does 21309 EK/W64 Bearing Reduce Friction?

21309 EK/W64 Bearing features a tapered bore design, ensuring precise alignment and reduced friction.
The chrome steel rollers and rings provide smooth operation, even under high radial loads.
Lubrication grooves and holes ensure consistent oil distribution, minimising wear over time.
This design maintains efficiency while extending the bearing’s service life.

Engineered for Precision: 21309 EK/W64 Bearing

21309 EK/W64 Bearing’s spherical roller design compensates for shaft misalignment, enhancing precision.
The steel cage keeps rollers securely positioned, ensuring consistent performance under load.
With a temperature range of -30° to 200°C, it operates reliably in varied environments.
Its CN radial clearance provides optimal fit for many industrial applications.

Why Choose 21309 EK/W64 Bearing for High-Temperature Applications?

21309 EK/W64 Bearing withstands temperatures up to 200°C, making it suitable for demanding conditions.
The chrome steel construction resists thermal deformation, maintaining performance under stress.
Lubrication channels ensure even oil distribution, preventing overheating during operation.
This combination of features ensures reliability in high-heat environments.

Built for Reliability: 21309 EK/W64 Bearing

21309 EK/W64 Bearing’s double-row design distributes loads evenly, reducing wear and tear.
The robust chrome steel construction ensures long-lasting performance under heavy radial loads.
With a static radial load capacity of 28551 lbf, it handles demanding applications with ease.
Its precision engineering makes it a dependable choice for industrial machinery.

Application

Industrial Uses of 21309 EK/W64 Bearing
21309 EK/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 chrome steel construction ensures durability in demanding environments.

In automotive applications, 21309 EK/W64 Bearing fits well in truck wheel hubs and drivetrains, providing reliable performance under high loads. Its tapered bore design simplifies installation and maintenance.

For industrial fans and blowers, 21309 EK/W64 Bearing’s spherical roller design compensates for misalignment, ensuring smooth operation. The lubrication groove and hole make it easy to maintain, even in continuous-use scenarios.

Where Is 21309 EK/W64 Bearing Used?
You’ll often find 21309 EK/W64 Bearing in conveyor systems, where its combined load capacity keeps things running smoothly. The steel cage adds extra strength for long-lasting performance.

In construction equipment like excavators, 21309 EK/W64 Bearing handles rough conditions with ease. Its wide temperature range makes it suitable for both hot and cold environments.

Built for Heavy-Duty Use: 21309 EK/W64 Bearing
21309 EK/W64 Bearing is a go-to choice for mining equipment, thanks to its high dynamic load rating. The open design allows for easy lubrication, extending its service life.

In paper mill machinery, 21309 EK/W64 Bearing’s spherical rollers adapt to shaft misalignment, reducing wear. The metric sizing ensures compatibility with a variety of industrial systems.

Automotive vs Aerospace: Applications of 21309 EK/W64 Bearing
In automotive settings, 21309 EK/W64 Bearing supports heavy loads in axles and transmissions. Its robust design ensures reliability even under constant stress.

For aerospace ground equipment, 21309 EK/W64 Bearing’s high-speed capability and temperature resistance make it a practical choice. The tapered bore simplifies mounting and dismounting.

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