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

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

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

Its open construction allows easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model features a standard radial clearance and is ABEC-1 rated for reliable precision. Ideal for heavy-duty applications like truck axles or industrial gearboxes where combined loads are common.

Weighing 1.34 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 21075-21226D
  • 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 21075
  • 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

Performance Features of 21075-21226D Bearing

21075-21226D Bearing is built with chrome steel rings and rollers, offering strong resistance to combined 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, reducing stress and extending service life.
With a standard radial clearance, it provides smooth operation across various applications.

21075-21226D Bearing operates efficiently within a temperature range of -30° to 110°C.
The steel cage maintains roller alignment, enhancing durability and reducing maintenance needs.

This bearing requires lubrication but offers consistent performance in industrial settings.
Its precise tolerances ensure reliable fit and function in heavy-duty machinery.

Application

Industrial Uses of 21075-21226D Bearing
21075-21226D Bearing is commonly used in heavy machinery, such as construction equipment and agricultural vehicles, where its double-row design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability in demanding environments.

Where Is 21075-21226D Bearing Used?
You’ll often find 21075-21226D Bearing in automotive applications like truck wheel hubs, where its tapered roller design provides stability under heavy loads. The inch sizing makes it a good fit for North American machinery standards.

Built for Heavy-Duty Use: 21075-21226D Bearing
21075-21226D Bearing excels in industrial gearboxes, offering reliable performance even under continuous operation. Its open design allows for easy lubrication, extending service life in high-stress conditions.

Automotive vs Aerospace: Applications of 21075-21226D Bearing
In automotive settings, 21075-21226D Bearing supports axles and transmissions, while its precision makes it suitable for aerospace landing gear components. The steel cage adds strength without compromising weight efficiency.

Essential Roles of 21075-21226D Bearing
21075-21226D Bearing is a go-to choice for conveyor systems in mining, where its robust build handles abrasive materials. The standard radial clearance ensures smooth operation without frequent adjustments.

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