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TS (Single Row Tapered Roller Bearings) (Imperial) 2578-2523

TS (Single Row Tapered Roller Bearings) (Imperial) 2578-2523

The 2578-2523 is a single-row tapered roller bearing with a 1.125″ bore and 2.75″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 18800 lbf radially and 2280 lbf thrust, making it versatile for various applications.

Its open design allows easy lubrication, while the steel cage ensures durability. 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 use in gearboxes, axles, or industrial machinery where combined loads are common.

Weighing just 1.1 lb, it balances strength and portability. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 2578-2523
  • Brand TFL
  • Interchangeable Timken
  • Size 1.125" x 2.75" x 0.9375"
  • Bore Dia 1.125"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.75"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.9983"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.75"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.9375"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.09"
  • Cup Backface ToClear Radius 0.050"
  • Cone Frontface Backing Diameter 1.38"
  • Cone Backface Backing Diameter 1.54"
  • Cup Frontface Backing Diameter 2.56"
  • Cup Backface Backing Diameter 2.40"
  • Cage Cone Frontface Clearance 0.06"
  • Cage Cone Backface Clearance 0.02"
  • Effective Center Location -0.34"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 2578
  • Cup Part Number 2523
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 2500
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 18800 lbf
  • Static Radial Load 21200 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 4880 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 2280 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 1.1 lb

Features

Performance Features of 2578-2523 Bearing

2578-2523 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 18,800 lbf, ensuring reliable performance in demanding conditions.

The steel cage maintains roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

2578-2523 Bearing requires lubrication, but its robust design minimises maintenance needs.
The standard radial clearance options provide flexibility for different applications.

Application

Industrial Uses of 2578-2523 Bearing
2578-2523 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 even in tough working conditions.

Where Is 2578-2523 Bearing Used?
You’ll often find 2578-2523 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its precise inch sizing makes it a reliable choice for older or custom vehicle models.

Built for Heavy-Duty Use: 2578-2523 Bearing
2578-2523 Bearing works well in conveyor systems and industrial fans, thanks to its ability to manage both radial and thrust loads. The open design simplifies lubrication and maintenance.

Automotive vs Aerospace: Applications of 2578-2523 Bearing
In automotive settings, 2578-2523 Bearing supports drivetrain components, while its aerospace use is limited due to weight constraints. The steel cage provides stability under high stress.

Perfect Fit for Automation: 2578-2523 Bearing
2578-2523 Bearing is suitable for robotic arms and assembly line equipment, where smooth rotation is key. The standard radial clearance ensures consistent performance over time.

Q&A

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