21075A-21226D TDO (Two-Row Double-Outer Race) (Imperial)

21075A-21226D TDO (Two-Row Double-Outer Race) (Imperial)

The 21075A-21226D is a two-row tapered roller bearing with a 0.75″ bore and 2.25″ outer diameter, built from sturdy chrome steel for durability. It handles combined loads up to 21600 lbf and is designed for long-lasting performance in demanding conditions.

Its open design allows for easy lubrication, while the steel cage ensures smooth operation even under heavy radial or thrust loads. The bearing works well in temperatures ranging from -30°C to 110°C.

This double-row construction provides extra stability, making it ideal for applications like vehicle axles or heavy machinery where both radial and thrust loads are present. Compliant with RoHS and REACH standards, it’s a reliable choice for industrial use.

Weighing 1.34 lb, it’s compact yet robust for its size, with standard radial clearance options available for different applications. The ABEC-1 rating ensures consistent performance in most industrial settings.

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Product Parameters

  • Part Number 21075A-21226D
  • Brand TFL
  • Size 0.75" x 2.25" x 0.8598"
  • Bore Dia 0.75"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.25"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 1.4375"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 0.8598"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 1.9375"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 1.24"
  • Cup Frontface Backing Diameter 2.05"
  • Cage Cone Backface Clearance 0.1"
  • Dynamic Radial Load 21600 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 21075A
  • Cup Part Number 21226D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 21000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 3210 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 3250 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 5590 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 1.34 lb

Features

How Does 21075A-21226D Bearing Handle Combined Loads?

21075A-21226D Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 21,600 lbf, ensuring reliable performance in demanding conditions.
The double-row tapered roller design distributes loads evenly, enhancing durability and stability.
With a standard radial clearance, it provides smooth operation across various applications.

What Makes 21075A-21226D Bearing Suitable for High-Temperature Applications?

21075A-21226D Bearing operates effectively in temperatures ranging from -30° to 110°C, maintaining performance in challenging environments.
The chrome steel construction resists wear and deformation under thermal stress.
Its open design allows for proper lubrication, reducing friction and heat buildup.
This ensures consistent reliability even in high-temperature industrial settings.

Engineered for Precision: 21075A-21226D Bearing

21075A-21226D Bearing features a double-row tapered roller design, providing precise load distribution and alignment.
The chrome steel rollers and rings ensure minimal friction and smooth rotation.
With an ABEC-1 rating, it meets standard precision requirements for various applications.
Its balanced construction enhances operational efficiency and longevity.

Application

Industrial Uses of 21075A-21226D Bearing
This bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its double-row design handles combined radial and thrust loads efficiently. The chrome steel construction ensures durability even in demanding environments.

Where Is 21075A-21226D Bearing Used?
You’ll often find 21075A-21226D Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a reliable choice for North American vehicle models.

Built for Heavy-Duty Use: 21075A-21226D Bearing
21075A-21226D Bearing excels in industrial conveyor systems, thanks to its tapered roller design that manages high radial loads. The open seal type allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 21075A-21226D Bearing
In automotive settings, 21075A-21226D Bearing supports wheel assemblies, while in aerospace, it’s used in landing gear mechanisms. Its ABEC-1 rating ensures consistent performance across both industries.

Key Fields for 21075A-21226D Bearing
This bearing is ideal for mining equipment, where its robust construction withstands harsh conditions. The standard radial clearance option makes it versatile for various load requirements.

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