+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
47490-47420DC TDO (Two-Row Double-Outer Race) (Imperial)

47490-47420DC TDO (Two-Row Double-Outer Race) (Imperial)

The 47490-47420DC is a double-row tapered roller bearing with a 2.8125″ bore and 4.7244″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 70000 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. The bearing works well in temperatures from -30°C to 110°C, making it suitable for various environments.

This model is part of the 47400 series, offering reliable radial and thrust load capacity. Ideal for heavy-duty applications like industrial gearboxes or large machinery where durability is key.

Weighing 6.54 lb, it’s a robust choice for imperial-sized systems. Compliant with RoHS and REACH standards, it’s a safe and dependable option for your needs.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 47490-47420DC
  • Brand TFL
  • Size 2.8125" x 4.7244" x 1.2813"
  • Bore Dia 2.8125"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.7244"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2.3125"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.2813"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.8124"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 3.39"
  • Cup Frontface Backing Diameter 4.53"
  • Cage Cone Backface Clearance 0.07"
  • Dynamic Radial Load 70000 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 47490
  • Cup Part Number 47420DC
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 47400
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 10400 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 6420 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 18100 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 6.54 lb

Features

Performance Features of 47490-47420DC Bearing

47490-47420DC Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 70,000 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 conditions.

How Does 47490-47420DC Bearing Resist Wear?

47490-47420DC Bearing uses chrome steel for both rollers and rings, enhancing its resistance to wear.
The steel cage maintains proper roller alignment, reducing friction and prolonging service life.
Its tapered roller design ensures even load distribution, minimising wear under heavy loads.
This bearing operates efficiently within a temperature range of -30° to 110°C.

Engineered for Precision: 47490-47420DC Bearing

47490-47420DC Bearing features precise tolerances, ensuring accurate performance in demanding applications.
The double-row design provides excellent radial and thrust load capacity, reaching 18,100 lbf and 6,420 lbf respectively.
Its chrome steel construction offers durability and consistent performance.
The open seal type allows for easy lubrication, maintaining smooth operation.

Steel vs Ceramic Bearings: Strengths of 47490-47420DC Bearing

47490-47420DC Bearing’s chrome steel construction provides high strength and durability for heavy loads.
The tapered roller design ensures efficient load distribution, reducing stress on individual components.
With a dynamic radial load rating of 70,000 lbf, it outperforms many alternatives.
Its standard radial clearance and ABEC-1 rating make it versatile for various applications.

Application

Industrial Uses of 47490-47420DC Bearing
The 47490-47420DC Bearing is commonly used in heavy machinery like construction equipment and mining drills, 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 47490-47420DC Bearing Used?
You’ll often find the 47490-47420DC Bearing in agricultural machinery, such as tractors and harvesters, where its tapered roller design supports high-load operations.
The open seal type allows for easy lubrication, extending its lifespan in demanding conditions.

Built for Heavy-Duty Use: 47490-47420DC Bearing
The 47490-47420DC Bearing excels in truck wheel hubs, providing stability and load capacity for long-haul transportation.
Its standard radial clearance and ABEC-1 rating make it suitable for general industrial use without compromising performance.

Automotive vs Aerospace: Applications of 47490-47420DC Bearing
In automotive systems, the 47490-47420DC Bearing supports differentials and axles, offering robust performance under heavy loads.
While not typically used in aerospace, its inch sizing makes it compatible with many North American industrial standards.

Practical Applications of 47490-47420DC Bearing
The 47490-47420DC Bearing is ideal for conveyor systems in manufacturing plants, where its double-row construction ensures smooth operation.
Its steel cage and chrome steel rollers provide excellent wear resistance, reducing maintenance needs over time.

Q&A

SEND INQUIRY