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TS (Single Row Tapered Roller Bearings) (Imperial) 5566-5521

TS (Single Row Tapered Roller Bearings) (Imperial) 5566-5521

The 5566-5521 is a single-row tapered roller bearing with a 2.1875″ bore and 5.1181″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 53200 lbf radially and 8460 lbf thrust, making it suitable for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under high stress. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for use in industrial machinery, gearboxes, or automotive systems where combined loads are common.

Weighing 6.6 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 5566-5521
  • Brand TFL
  • Interchangeable Timken
  • Size 2.1875" x 5.1181" x 1.7499"
  • Bore Dia 2.1875"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 5.1181"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.723"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.4375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.7499"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.050"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.68"
  • Cone Backface Backing Diameter 2.76"
  • Cup Frontface Backing Diameter 4.67"
  • Cup Backface Backing Diameter 4.29"
  • Cage Cone Frontface Clearance 0.08"
  • Cage Cone Backface Clearance 0.07"
  • Effective Center Location -0.48"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 5566
  • Cup Part Number 5521
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 5500
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 53200 lbf
  • Static Radial Load 73500 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 13800 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 8460 lbf
  • Lubrication Required
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant
  • Weight 6.6 lb

Features

Performance Features of 5566-5521 Bearing

5566-5521 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 53,200 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, reducing friction and enhancing durability.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Does 5566-5521 Bearing Resist Wear?

5566-5521 Bearing’s chrome steel construction provides excellent wear resistance, even under high stress.
The tapered roller design distributes loads evenly, minimising surface fatigue.
Its standard radial clearance allows for smooth operation, reducing unnecessary friction.
This design ensures long service life with minimal maintenance requirements.

Engineered for Precision: 5566-5521 Bearing

5566-5521 Bearing features precise dimensions with tight tolerances for consistent performance.
The single row tapered roller design offers accurate load distribution and alignment.
With an ABEC-1 rating, it maintains reliable operation in various industrial applications.
The standard cup type simplifies installation while ensuring proper fit and function.

Steel vs Ceramic Bearings: Strengths of 5566-5521 Bearing

5566-5521 Bearing uses chrome steel for both rollers and rings, providing excellent strength.
This material choice offers better cost-effectiveness compared to ceramic alternatives.
The steel construction handles high dynamic loads while maintaining structural integrity.
Its 6.6 lb weight balances durability with practical handling during installation.

Application

Industrial Uses of 5566-5521 Bearing
The 5566-5521 Bearing is a reliable choice for heavy machinery, such as construction equipment and mining gear, where combined loads are common. Its tapered roller design ensures smooth operation even under demanding conditions.

In automotive applications, 5566-5521 Bearing works well in wheel hubs and differential systems, thanks to its robust chrome steel construction. The imperial sizing makes it a good fit for North American vehicle models.

For industrial fans and pumps, 5566-5521 Bearing’s open design allows for easy lubrication, extending its service life. The steel cage adds durability, making it suitable for high-speed rotations.

Why Is 5566-5521 Bearing Essential in Machinery?
This bearing handles both radial and thrust loads efficiently, making it versatile for use in gearboxes and conveyor systems. Its ABEC-1 rating ensures consistent performance in most industrial settings.

The 5566-5521 Bearing’s temperature range of -30° to 110 °C makes it adaptable to various environments, from cold storage facilities to heated manufacturing plants. Its standard radial clearance offers flexibility for different applications.

Built for Heavy-Duty Use: 5566-5521 Bearing
With a dynamic radial load capacity of 53,200 lbf, this bearing excels in applications like agricultural machinery and forestry equipment. The tapered rollers distribute stress evenly, reducing wear.

The 5566-5521 Bearing’s steel cage and chrome steel rollers provide long-lasting performance in harsh conditions. Its compatibility with Timken models makes it a convenient replacement option.

Automotive vs Aerospace: Applications of 5566-5521 Bearing
In automotive systems, this bearing is often used in drivetrains and axles, where its combined load handling is crucial. The imperial measurements align with standard US automotive parts.

For aerospace ground equipment, the 5566-5521 Bearing’s reliability and temperature tolerance make it suitable for maintenance tools and support machinery. However, it’s not typically used in-flight due to ABEC-1 limitations.

Where to Use 5566-5521 Bearing
This bearing fits well in industrial gear reducers, where its tapered rollers manage varying load directions effectively. The open seal design simplifies maintenance in dusty or wet environments.

In material handling systems, the 5566-5521 Bearing’s static radial load capacity of 73,500 lbf ensures stability for heavy lifting operations. Its weight of 6.6 lbs balances strength and portability.

Q&A

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