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TS (Single Row Tapered Roller Bearings) (Imperial) 39591-39521

TS (Single Row Tapered Roller Bearings) (Imperial) 39591-39521

The 39591-39521 is a single-row tapered roller bearing with a 2.625″ bore and 4.4375″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 37500 lbf radially and 5650 lbf thrust, making it versatile for various applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under heavy use. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for demanding environments.

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

Weighing 2.5 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most applications. The ABEC-1 rating ensures consistent performance.

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Product Parameters

  • Part Number 39591-39521
  • Brand TFL
  • Interchangeable Timken
  • Size 2.625" x 4.4375" x 1.1876"
  • Bore Dia 2.625"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.4375"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.1875"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.1876"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.220"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 3.54"
  • Cone Backface Backing Diameter 3.31"
  • Cup Frontface Backing Diameter 4.25"
  • Cup Backface Backing Diameter 4.06"
  • Cage Cone Frontface Clearance 0.13"
  • Cage Cone Backface Clearance 0.05"
  • Effective Center Location -0.26"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 39591
  • Cup Part Number 39521
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 39500
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 37500 lbf
  • Static Radial Load 50300 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 9730 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 5650 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 2.5 lb

Features

How Is 39591-39521 Bearing Engineered for Reliability?

39591-39521 Bearing features chrome steel rings and rollers, providing excellent resistance to combined loads.
Its dynamic radial load capacity reaches 37,500 lbf, ensuring dependable performance in tough conditions.
The steel cage maintains proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

What Makes 39591-39521 Bearing Suitable for High-Temperature Applications?

39591-39521 Bearing is built with chrome steel components, offering stability in temperatures up to 110°C.
The tapered roller design efficiently handles both radial and thrust loads without compromising performance.
Its standard radial clearance ensures smooth operation even under thermal expansion.
This bearing is ideal for industrial applications where heat resistance is crucial.

Built for Durability: 39591-39521 Bearing

39591-39521 Bearing’s chrome steel construction ensures long-lasting performance under heavy loads.
The single-row tapered roller design provides precise alignment and reduced wear over time.
With a static radial load capacity of 50,300 lbf, it excels in demanding mechanical systems.
Its open design allows for easy lubrication, maintaining optimal performance.

Steel vs Ceramic Bearings: Strengths of 39591-39521 Bearing

39591-39521 Bearing uses high-quality chrome steel for both rollers and rings, balancing cost and durability.
The steel cage ensures reliable roller positioning, even under high dynamic loads.
Unlike ceramic options, this bearing offers proven performance in industrial environments.
Its ABEC-1 rating guarantees consistent precision for most applications.

Performance Features of 39591-39521 Bearing

39591-39521 Bearing combines tapered roller design with chrome steel components for efficient load distribution.
The standard radial clearance accommodates various operating conditions while maintaining stability.
With dynamic thrust rating of 5,650 lbf, it handles axial loads effectively.
Its 2.5 lb weight provides robust performance without excessive bulk.

Application

Industrial Uses of 39591-39521 Bearing
39591-39521 Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.

Where Is 39591-39521 Bearing Used?
You’ll often find 39591-39521 Bearing in automotive applications like truck wheel hubs, where its ability to manage radial and thrust loads keeps things running smoothly. The inch sizing makes it a good fit for many American-made vehicles.

Built for Heavy-Duty Use: 39591-39521 Bearing
39591-39521 Bearing excels in industrial gearboxes, thanks to its robust steel cage and high dynamic load capacity. Its open design allows for easy lubrication, extending service life in demanding environments.

Automotive vs Aerospace: Applications of 39591-39521 Bearing
In automotive settings, 39591-39521 Bearing supports wheel assemblies and transmissions, while in aerospace, it’s used in auxiliary systems where reliability is key. The ABEC-1 rating ensures consistent performance across different applications.

Perfect Fit for Automation: 39591-39521 Bearing
39591-39521 Bearing works well in automated conveyor systems, where its tapered rollers reduce friction and improve efficiency. The standard radial clearance option makes it versatile for various industrial setups.

Q&A

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