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27875-27820D TDO (Two-Row Double-Outer Race) (Imperial)

27875-27820D TDO (Two-Row Double-Outer Race) (Imperial)

The 27875-27820D is a double-row tapered roller bearing with a 1.375″ bore and 3.151″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 30500 lbf and is designed for long-lasting performance.

Its open construction allows easy lubrication, while the steel cage ensures smooth operation. The bearing handles temperatures from -30°C to 110°C, making it versatile for various conditions.

This model is part of the 27800 series, with standard radial clearance and ABEC-1 precision. Ideal for heavy-duty applications like truck axles or industrial gearboxes where combined loads are common.

Weighing 2.77 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 27875-27820D
  • Brand TFL
  • Size 1.375" x 3.151" x 0.933"
  • Bore Dia 1.375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.151"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 1.77"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 0.933"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.25"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 1.79"
  • Cup Frontface Backing Diameter 2.99"
  • Cage Cone Backface Clearance 0.1"
  • Dynamic Radial Load 30500 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 27875
  • Cup Part Number 27820D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 27800
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 4550 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 4370 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 7920 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 2.77 lb

Features

Performance Features of 27875-27820D Bearing

27875-27820D Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 30,500 lbf, making it suitable for heavy-duty applications.
The double-row tapered roller design ensures stability and efficient load distribution.
With a standard radial clearance, it provides reliable operation in various conditions.

How Is 27875-27820D Bearing Engineered for Reliability?

27875-27820D Bearing features a steel cage that maintains roller alignment, reducing friction and wear.
The chrome steel construction enhances durability, even in demanding environments.
Its double-row design allows it to handle both radial and thrust loads effectively.
The bearing operates smoothly within a temperature range of -30° to 110°C.

Built for Durability: 27875-27820D Bearing

27875-27820D Bearing’s tapered roller design ensures long service life under high loads.
The chrome steel materials resist wear, maintaining performance over time.
Its standard radial clearance options provide flexibility for different applications.
With a weight of 2.77 lb, it balances strength and practicality.

Steel vs Ceramic Bearings: Strengths of 27875-27820D Bearing

27875-27820D Bearing uses chrome steel for both rollers and rings, ensuring high load capacity.
The steel cage provides reliable roller alignment, reducing maintenance needs.
Its double-row design excels in handling combined radial and thrust loads.
The bearing is RoHS and REACH compliant, meeting environmental standards.

Application

Industrial Uses of 27875-27820D Bearing
The 27875-27820D Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its double-row design handles combined radial and thrust loads efficiently.
Its chrome steel construction ensures durability in harsh environments, making it a reliable choice for industrial applications.

Where Is 27875-27820D Bearing Used?
You’ll often find the 27875-27820D Bearing in automotive systems like truck wheel hubs, where its tapered roller design provides stability under heavy loads.
The inch sizing makes it compatible with many North American vehicle models, offering versatility for mechanics and engineers.

Built for Heavy-Duty Use: 27875-27820D Bearing
This bearing excels in agricultural machinery, such as tractors and harvesters, thanks to its robust steel cage and high dynamic load capacity.
The open seal design allows for easy lubrication, extending its service life in demanding conditions.

Automotive vs Aerospace: Applications of 27875-27820D Bearing
In automotive settings, the 27875-27820D Bearing supports heavy axles and transmissions, while in aerospace, it’s suited for ground support equipment due to its precision and reliability.
The standard radial clearance ensures smooth operation across various temperatures and loads.

Key Fields for 27875-27820D Bearing
The 27875-27820D Bearing is ideal for rail and transportation systems, where its double-row construction manages vibrations and shocks effectively.
Its ABEC-1 rating balances performance and cost, making it a practical choice for many engineering projects.

Q&A

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