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2559-2523D TDO (Two-Row Double-Outer Race) (Imperial)

2559-2523D TDO (Two-Row Double-Outer Race) (Imperial)

The 2559-2523D is a two-row tapered roller bearing with a 1.1875″ bore and 2.75″ outer diameter, built from sturdy chrome steel. It handles combined loads well, with a dynamic radial load capacity of 32800 lbf and a two-row dynamic radial rating of 8500 lbf.

Its open design and steel cage make it easy to maintain, while the double-row construction provides stability under heavy loads. The bearing operates smoothly in temperatures from -30°C to 110°C.

This model is part of the 2500 series, featuring standard cups and an ABEC-1 rating for reliable performance. Ideal for industrial machinery or automotive applications where durability and load capacity are key.

Weighing 2.57 lb, it’s a robust choice for demanding environments. Compliant with RoHS and REACH standards, it requires regular lubrication for optimal performance.

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Product Parameters

  • Part Number 2559-2523D
  • Brand TFL
  • Size 1.1875" x 2.75" x 0.9983"
  • Bore Dia 1.1875"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.75"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2.25"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 0.9983"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.625"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 1.46"
  • Cup Frontface Backing Diameter 2.56"
  • Cage Cone Backface Clearance 0.02"
  • Dynamic Radial Load 32800 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 2559
  • Cup Part Number 2523D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 2500
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 4880 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 2280 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 8500 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 2.57 lb

Features

How Is 2559-2523D Bearing Engineered for Reliability?

2559-2523D Bearing features a double-row tapered roller design, providing strong resistance to combined radial and thrust loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 32,800 lbf.

The steel cage maintains roller alignment, reducing friction and extending the bearing’s service life.
With a standard radial clearance, it offers reliable performance in various applications.

2559-2523D Bearing operates efficiently within a temperature range of -30° to 110°C.
Its open design allows for easy lubrication, ensuring smooth operation over time.

Application

Industrial Uses of 2559-2523D Bearing
2559-2523D Bearing is commonly used in heavy machinery, such as construction equipment and mining gear, where its double-row design handles combined radial and thrust loads efficiently. The chrome steel construction ensures durability in tough working conditions.

What Makes 2559-2523D Bearing a Preferred Choice?
In automotive applications, 2559-2523D Bearing fits well in wheel hubs and differential systems, thanks to its tapered roller design. The inch sizing makes it compatible with many North American vehicle models.

Built for Heavy-Duty Use: 2559-2523D Bearing
For industrial fans and pumps, 2559-2523D Bearing offers reliable performance with its open seal design, allowing easy lubrication. Its standard radial clearance suits a variety of operational needs.

Automotive vs Aerospace: Applications of 2559-2523D Bearing
While 2559-2523D Bearing excels in automotive drivetrains, its robust build also makes it suitable for aerospace landing gear components. The steel cage enhances stability under high stress.

Where Is 2559-2523D Bearing Used?
You’ll find 2559-2523D Bearing in agricultural machinery, like tractors and harvesters, where its combined load capacity is essential. The ABEC-1 rating ensures consistent performance without over-engineering.

Q&A

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