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TS (Single Row Tapered Roller Bearings) (Imperial) 25580-25547RB

TS (Single Row Tapered Roller Bearings) (Imperial) 25580-25547RB

The 25580-25547RB is a single-row tapered roller bearing with a 1.75″ bore and 3.9368″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 20300 lbf radially and 3020 lbf in thrust, suitable for demanding applications.

Its open design allows for straightforward lubrication, and the steel cage ensures durability under heavy use. 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. It’s ideal for machinery like gearboxes or axles where combined loads are common.

Weighing 2.3 lb, it balances strength and manageability. Compliant with RoHS and REACH standards, it’s a reliable option for various industrial needs.

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Product Parameters

  • Part Number 25580-25547RB
  • Brand TFL
  • Interchangeable Timken
  • Size 1.75" x 3.9368" x 1.0001"
  • Bore Dia 1.75"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.9368"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.8125"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.0001"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.02"
  • Cone Frontface Backing Diameter 1.97"
  • Cone Backface Backing Diameter 2.24"
  • Cup Frontface Backing Diameter 3.85"
  • Cup Backface Backing Diameter 3.19"
  • Cage Cone Frontface Clearance 0.06"
  • Cage Cone Backface Clearance 0.01"
  • Effective Center Location -0.25"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 25580
  • Cup Part Number 25547RB
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 25500
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 20300 lbf
  • Static Radial Load 24900 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 5270 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3020 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 2.3 lb

Features

Why Choose 25580-25547RB Bearing for Precision Tasks?

25580-25547RB Bearing is crafted with chrome steel rings and rollers, ensuring durability and precision in combined load applications.
Its dynamic radial load capacity of 20300 lbf makes it suitable for demanding industrial environments.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 25580-25547RB Bearing Engineered for Reliability?

25580-25547RB Bearing features a single-row tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction provides excellent resistance to wear, even under heavy loads.
Its standard radial clearance ensures smooth operation, while the open design simplifies lubrication.
This bearing is interchangeable with Timken models, offering flexibility in replacement options.

Built for Durability: 25580-25547RB Bearing

25580-25547RB Bearing is designed with a robust steel cage, enhancing its longevity in tough applications.
The tapered roller design distributes loads evenly, reducing stress on individual components.
With a static radial load capacity of 24900 lbf, it excels in high-stress environments.
Its ABEC-1 rating ensures consistent performance for precision tasks.

Steel vs Ceramic Bearings: Strengths of 25580-25547RB Bearing

25580-25547RB Bearing utilises chrome steel for both rollers and rings, offering a balance of strength and affordability.
This material choice provides excellent resistance to wear and fatigue, even in high-load scenarios.
The bearing’s dynamic thrust rating of 3020 lbf ensures reliable performance in combined load applications.
Its standard radial clearance allows for smooth operation across a wide temperature range.

Application

Industrial Uses of 25580-25547RB Bearing
25580-25547RB Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability in tough working conditions.

Where Is 25580-25547RB Bearing Used?
You’ll often find 25580-25547RB Bearing in automotive applications, particularly in wheel hubs and differential systems. Its precise inch sizing makes it a reliable choice for American-made vehicles.

Built for Heavy-Duty Use: 25580-25547RB Bearing
25580-25547RB Bearing excels in industrial fans and pumps, thanks to its robust steel cage and high dynamic load capacity. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 25580-25547RB Bearing
In automotive systems, 25580-25547RB Bearing supports high radial loads in drivetrains, while its aerospace use is limited due to weight constraints. The ABEC-1 rating ensures consistent performance in most ground vehicles.

Essential Roles of 25580-25547RB Bearing
25580-25547RB Bearing is vital in conveyor systems, where its tapered rollers manage both radial and thrust loads smoothly. The standard radial clearance option makes it adaptable to various industrial settings.

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