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TS (Single Row Tapered Roller Bearings) (Imperial) 2578-2526X

TS (Single Row Tapered Roller Bearings) (Imperial) 2578-2526X

The 2578-2526X is a single-row tapered roller bearing with a 1.125″ bore and 2.8346″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 18800 lbf radially and 2280 lbf in 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 ranging from -30°C to 110°C.

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

Weighing just 1.1 lb, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it’s a safe choice for industrial use. The standard radial clearance ensures easy installation and maintenance.

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Product Parameters

  • Part Number 2578-2526X
  • Brand TFL
  • Interchangeable Timken
  • Size 1.125" x 2.8346" x 0.9375"
  • Bore Dia 1.125"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.8346"
  • 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 0.08"
  • Cone Frontface Backing Diameter 1.38"
  • Cone Backface Backing Diameter 1.54"
  • Cup Frontface Backing Diameter 2.60"
  • 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 2526X
  • 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

How Is 2578-2526X Bearing Engineered for Reliability?

2578-2526X Bearing features chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity reaches 18,800 lbf, making it suitable for demanding industrial applications.

The tapered roller design distributes loads evenly, reducing stress and extending service life.
With a standard radial clearance, it offers reliable performance in various operating conditions.

2578-2526X Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, ensuring smooth operation even at high speeds.

The open design simplifies lubrication, helping to maintain optimal performance over time.
This bearing is interchangeable with Timken models, providing flexibility in replacement options.

Application

Industrial Uses of 2578-2526X Bearing
2578-2526X Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.

What Makes 2578-2526X Bearing a Preferred Choice?
In automotive applications, 2578-2526X Bearing fits well in wheel hubs and drivetrains, offering reliable performance under radial and thrust loads. Its inch sizing makes it compatible with many North American vehicle models.

Built for Heavy-Duty Use: 2578-2526X Bearing
For industrial fans and pumps, 2578-2526X Bearing provides stable operation even at high speeds. The steel cage adds strength, making it suitable for continuous use in demanding environments.

Automotive vs Aerospace: Applications of 2578-2526X Bearing
While 2578-2526X Bearing is popular in truck axles, it also finds use in aircraft landing gear components. Its ABEC-1 rating ensures consistent precision for both ground and air applications.

Q&A

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