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

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

The 48286-48220DC is a double-row tapered roller bearing with a 4.875-inch bore and 7.1875-inch 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 durability under heavy use. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is part of the 48200 series, featuring standard cups and a tapered roller design for efficient load distribution. Ideal for industrial machinery or heavy equipment where combined radial and thrust loads are common.

Weighing 16.04 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, making it a reliable choice for various applications.

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Product Parameters

  • Part Number 48286-48220DC
  • 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 48220DC
  • 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

Performance Features of 48286-48220DC Bearing

48286-48220DC Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 105,000 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 industrial settings.

How Is 48286-48220DC Bearing Engineered for Reliability?

48286-48220DC Bearing features a steel cage that maintains roller alignment, reducing friction and wear.
The chrome steel construction enhances durability, even in demanding temperature ranges from -30° to 110°C.
Its double-row design allows for higher load capacities compared to single-row bearings.
The standard radial clearance ensures smooth operation and easy integration into existing systems.

Built for Durability: 48286-48220DC Bearing

48286-48220DC Bearing’s tapered roller design provides excellent resistance to combined radial and thrust loads.
The chrome steel materials used in its construction ensure long service life and corrosion resistance.
With a dynamic radial rating of 27,200 lbf for two rows, it handles heavy loads efficiently.
Its open design simplifies lubrication, reducing maintenance needs and downtime.

Steel vs Ceramic Bearings: Strengths of 48286-48220DC Bearing

48286-48220DC Bearing uses chrome steel for both rings and rollers, offering a balance of strength and cost-effectiveness.
The steel cage ensures proper roller spacing, enhancing performance under high loads.
Unlike ceramic bearings, it provides reliable operation in standard industrial environments.
Its ABEC-1 rating ensures consistent precision for most general applications.

Application

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

What Makes 48286-48220DC Bearing a Preferred Choice?
In automotive applications, 48286-48220DC Bearing supports heavy-duty axles and wheel hubs, providing reliable performance under high loads. The inch sizing makes it compatible with many North American vehicle models.

Built for Heavy-Duty Use: 48286-48220DC Bearing
For industrial fans and pumps, 48286-48220DC Bearing’s tapered roller design offers smooth operation and long service life. The open seal type allows for easy lubrication, reducing maintenance downtime.

Automotive vs Aerospace: Applications of 48286-48220DC Bearing
In automotive systems, 48286-48220DC Bearing excels in transmissions and differentials, while its robust design also suits aerospace landing gear components. The standard radial clearance ensures consistent performance across various temperatures.

Key Fields for 48286-48220DC Bearing
The 48286-48220DC Bearing is ideal for agricultural machinery, where its steel cage and chrome steel rollers withstand harsh conditions. Its ABEC-1 rating balances precision and cost-effectiveness for general industrial use.

Q&A

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