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TS (Single Row Tapered Roller Bearings) (Imperial) 39581-39520P

TS (Single Row Tapered Roller Bearings) (Imperial) 39581-39520P

The 39581-39520P is a single-row tapered roller bearing with a 2.25″ bore and 4.4375″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 37500 lbf radially and 5650 lbf thrust, suitable for demanding applications.

Its open design allows easy lubrication, while the steel cage ensures reliable performance. 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-duty machinery or automotive systems where combined loads are common.

Weighing 3 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 39581-39520P
  • Brand TFL
  • Interchangeable Timken
  • Size 2.25" x 4.4375" x 1.1876"
  • Bore Dia 2.25"
  • 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 0.310"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.6"
  • Cone Backface Backing Diameter 3.19"
  • Cup Frontface Backing Diameter 4.25"
  • Cup Backface Backing Diameter 3.98"
  • 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 39581
  • Cup Part Number 39520P
  • 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 3 lb

Features

Performance Features of 39581-39520P Bearing

39581-39520P 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 39581-39520P Bearing Engineered for Reliability?

39581-39520P Bearing features a tapered roller design, providing efficient load distribution.
The chrome steel construction resists wear, ensuring a long service life even under stress.
Its standard radial clearance allows for smooth operation in diverse settings.
Lubrication is required to maintain optimal performance and reduce friction.

Designed for Durability: 39581-39520P Bearing

39581-39520P Bearing’s single-row construction simplifies installation while maintaining strength.
The open seal type allows for easy lubrication access, improving maintenance efficiency.
With a static radial load capacity of 50,300 lbf, it handles demanding applications with ease.
Its ABEC-1 rating ensures consistent performance for general industrial use.

Steel vs Ceramic Bearings: Strengths of 39581-39520P Bearing

39581-39520P Bearing uses chrome steel for both rollers and rings, balancing cost and durability.
The steel cage provides robust support, ensuring reliable operation under heavy loads.
Its dynamic thrust rating of 5,650 lbf makes it versatile for various applications.
The bearing’s standard radial clearance offers flexibility in different operating conditions.

Application

Industrial Uses of 39581-39520P Bearing
39581-39520P 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 even in demanding environments.

What Makes 39581-39520P Bearing a Preferred Choice?
In automotive applications, 39581-39520P Bearing fits well in wheel hubs and differentials, thanks to its precise inch sizing. Its open design allows for easy lubrication, extending service life.

Built for Heavy-Duty Use: 39581-39520P Bearing
For industrial fans and pumps, 39581-39520P Bearing offers reliable performance with its standard radial clearance. The steel cage provides added strength under high-speed conditions.

Automotive vs Aerospace: Applications of 39581-39520P Bearing
In automotive systems, 39581-39520P Bearing supports axle loads, while its aerospace uses are limited due to weight constraints. Its ABEC-1 rating ensures consistent performance in general machinery.

Perfect Fit for Automation: 39581-39520P Bearing
39581-39520P Bearing works well in conveyor systems, where its tapered rollers manage radial and thrust loads smoothly. The inch measurements make it compatible with many North American machines.

Q&A

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