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TS (Single Row Tapered Roller Bearings) (Imperial) 39590-39521

TS (Single Row Tapered Roller Bearings) (Imperial) 39590-39521

The 39590-39521 is a single-row tapered roller bearing with a 2.625″ bore and 4.4375″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 37500 lbf radially and 5650 lbf in thrust, suitable for demanding applications.

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

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for heavy machinery or automotive uses where combined loads are common.

Weighing 2.6 lb, it offers a robust build for its size. Compliant with RoHS and REACH standards for safe and reliable performance.

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Product Parameters

  • Part Number 39590-39521
  • Brand TFL
  • Interchangeable Timken
  • Size 2.625" x 4.4375" x 1.1875"
  • 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 1.1875"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 3.57"
  • Cone Backface Backing Diameter 3.23"
  • 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 39590
  • 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 2.6 lb

Features

Performance Features of 39590-39521 Bearing

39590-39521 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 37,500 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 39590-39521 Bearing Engineered for Reliability?

39590-39521 Bearing features precise cone and cup dimensions, ensuring smooth operation under combined loads.
The tapered roller design distributes stress evenly, extending the bearing’s service life.
Its standard radial clearance allows for flexibility in different applications.
The chrome steel construction provides excellent resistance to wear and fatigue.

Built for Durability: 39590-39521 Bearing

39590-39521 Bearing’s single-row tapered roller design handles both radial and thrust loads efficiently.
The steel cage maintains roller positioning, reducing friction and noise.
With a static radial load capacity of 50,300 lbf, it excels in demanding environments.
Its ABEC-1 rating ensures consistent performance for industrial applications.

Steel vs Ceramic Bearings: Strengths of 39590-39521 Bearing

39590-39521 Bearing uses chrome steel for both rollers and rings, offering robust load-bearing capabilities.
The material choice ensures durability and cost-effectiveness compared to ceramic options.
Its dynamic thrust rating of 5,650 lbf at 90 million revolutions highlights long-term reliability.
The open design allows for easy lubrication, maintaining optimal performance over time.

Application

Industrial Uses of 39590-39521 Bearing
39590-39521 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.

Where Is 39590-39521 Bearing Used?
In automotive applications, 39590-39521 Bearing fits well in wheel hubs and differential systems, providing reliable performance under radial and thrust loads. Its inch sizing makes it compatible with many North American vehicle models.

Built for Heavy-Duty Use: 39590-39521 Bearing
For industrial gearboxes, 39590-39521 Bearing offers smooth operation thanks to its steel cage and precise tolerances. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 39590-39521 Bearing
While 39590-39521 Bearing excels in automotive systems, it’s also found in aerospace landing gear components. Its ability to handle high dynamic loads makes it versatile across industries.

Perfect Fit for Automation: 39590-39521 Bearing
In automated production lines, 39590-39521 Bearing supports conveyor rollers and robotic arms. The standard radial clearance ensures consistent performance in repetitive tasks.

Q&A

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