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48286-48220D TDO (Two-Row Double-Outer Race) (Imperial)

48286-48220D TDO (Two-Row Double-Outer Race) (Imperial)

The 48286-48220D is a double-row tapered roller bearing with a 4.875″ bore and 7.1875″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 105,000 lbf and is designed for long-lasting performance.

Its open design allows for easy lubrication, while the steel cage ensures smooth operation. The bearing works well in temperatures from -30°C to 110°C, making it suitable for various environments.

This model is part of the 48200 series and comes with standard cups for easy installation. Ideal for heavy-duty applications like industrial gearboxes or large machinery where combined loads are common.

Weighing 16.04 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a reliable choice for replacements or new installations.

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Product Parameters

  • Part Number 48286-48220D
  • Brand TFL
  • Size 4.875" x 7.1875" x 1.5"
  • Bore Dia 4.875"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 7.1875"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2.875"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.5"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 3.3751"
  • Bearing Width Across Cups Tolerance +0.014" to -0.01"
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 5.47"
  • Cup Frontface Backing Diameter 6.95"
  • Cage Cone Backface Clearance 0.06"
  • Dynamic Radial Load 105000 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 48286
  • Cup Part Number 48220D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 48200
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 15600 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 8160 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 27200 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 16.04 lb

Features

How Is 48286-48220D Bearing Engineered for Reliability?

48286-48220D Bearing features a double-row tapered roller design, providing strong resistance to combined radial and thrust loads.
Its chrome steel construction ensures durability, even under dynamic radial loads up to 105,000 lbf.
The steel cage maintains roller alignment, reducing wear and extending operational life.
With a standard radial clearance option, it offers flexibility for various applications.

What Makes 48286-48220D Bearing Suitable for High-Temperature Applications?

48286-48220D Bearing operates reliably in temperatures ranging from -30° to 110 °C.
Its chrome steel rollers and rings maintain structural integrity under thermal stress.
The open seal design allows for effective lubrication, preventing overheating.
This makes it ideal for industrial environments with fluctuating temperatures.

Designed for Durability: 48286-48220D Bearing

48286-48220D Bearing’s double-row construction enhances load distribution, reducing stress on individual rollers.
The chrome steel components resist wear, ensuring long service life even under heavy loads.
Precision tolerances in bore and outer diameters guarantee consistent performance.
Its robust design makes it a reliable choice for demanding applications.

Application

Industrial Uses of 48286-48220D Bearing
The 48286-48220D Bearing is commonly used in heavy machinery, such as construction equipment and mining vehicles, where its double-row design handles combined radial and thrust loads efficiently. Its chrome steel construction ensures durability in tough working conditions.

Where Is 48286-48220D Bearing Used?
You’ll often find 48286-48220D Bearing in agricultural machinery, supporting components like gearboxes and axles that require reliable performance under heavy loads. The inch sizing makes it a good fit for North American equipment standards.

Built for Heavy-Duty Use: 48286-48220D Bearing
This bearing excels in industrial applications like conveyor systems, where its tapered roller design provides smooth operation even under constant stress. The open seal type allows for easy lubrication and maintenance.

Automotive vs Aerospace: Applications of 48286-48220D Bearing
In automotive settings, 48286-48220D Bearing is ideal for truck wheel hubs, offering stability under varying loads. While not typically used in aerospace, its precision makes it suitable for ground support equipment.

Perfect Fit for Automation: 48286-48220D Bearing
For automated production lines, 48286-48220D Bearing ensures consistent performance in robotic arms and assembly systems. Its standard radial clearance balances precision with ease of installation.

Q&A

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