+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
53178-53390D TDO (Two-Row Double-Outer Race) (Imperial)

53178-53390D TDO (Two-Row Double-Outer Race) (Imperial)

The 53178-53390D is a double-row tapered roller bearing with a 1.75″ bore and 3.875″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 46500 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 even under heavy loads. The bearing operates efficiently in temperatures from -30°C to 110°C.

This model features a standard radial clearance and is ABEC-1 rated, making it suitable for general industrial use. Ideal for applications like heavy machinery or automotive systems where combined loads are common.

Weighing 4.51 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a reliable choice for various engineering needs.

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

Product Parameters

  • Part Number 53178-53390D
  • Brand TFL
  • Size 1.75" x 3.875" x 1.1142"
  • Bore Dia 1.75"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.875"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 1.75"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.1142"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.5625"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.06"
  • Cone Backface Backing Diameter 2.36"
  • Cup Frontface Backing Diameter 3.56"
  • Cage Cone Backface Clearance 0.19"
  • Dynamic Radial Load 46500 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 53178
  • Cup Part Number 53390D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 53000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 6920 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 8760 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 12000 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 4.51 lb

Features

Performance Features of 53178-53390D Bearing

53178-53390D Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 46,500 lbf, making it suitable for heavy-duty applications.
The double-row tapered roller design ensures stability and efficient load distribution.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 53178-53390D Bearing Engineered for Reliability?

53178-53390D Bearing features a steel cage that maintains roller alignment, reducing wear and extending lifespan.
The standard radial clearance options (including C3/C4/C5) allow for flexibility in different applications.
Its ABEC-1 rating ensures consistent precision and smooth operation.
The open seal design simplifies maintenance while keeping lubrication requirements straightforward.

Designed for Durability: 53178-53390D Bearing

53178-53390D Bearing’s chrome steel construction resists wear, ensuring long-term reliability.
The double-row design enhances load capacity, supporting both radial and thrust forces efficiently.
With a dynamic thrust rating of 8,760 lbf per row, it handles demanding conditions with ease.
Its precise tolerances and robust materials make it a dependable choice for industrial use.

Steel vs Ceramic Bearings: Strengths of 53178-53390D Bearing

53178-53390D Bearing uses chrome steel for both rollers and rings, balancing strength and cost-effectiveness.
This material choice ensures high load capacity and resistance to deformation under stress.
The steel cage further enhances durability, making it ideal for heavy machinery.
While ceramic options exist, 53178-53390D Bearing provides reliable performance without premium costs.

Application

Industrial Uses of 53178-53390D Bearing
53178-53390D 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. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 53178-53390D Bearing supports wheel hubs and drivetrain components, providing reliable performance under varying loads. Its imperial sizing makes it a preferred choice for North American vehicle manufacturers.

For industrial automation, 53178-53390D Bearing is ideal for conveyor systems and robotic arms, where precision and load capacity are key. The open seal type allows for easy lubrication, extending its service life.

Where Is 53178-53390D Bearing Used?
53178-53390D Bearing finds its place in agricultural machinery, such as tractors and harvesters, due to its ability to withstand heavy loads and harsh conditions. The tapered roller design ensures smooth operation even under stress.

In material handling equipment, 53178-53390D Bearing is essential for forklifts and cranes, where its combined load capacity and durability are crucial. The standard radial clearance offers flexibility for various operational needs.

Built for Heavy-Duty Use: 53178-53390D Bearing
53178-53390D Bearing is a reliable choice for railway applications, where it supports axle boxes and bogies. Its robust construction and high dynamic radial rating ensure long-term performance.

In wind turbines, 53178-53390D Bearing handles the demanding conditions of rotor shafts and gearboxes. The steel cage and chrome steel rollers provide excellent resistance to wear and fatigue.

Automotive vs Aerospace: Applications of 53178-53390D Bearing
In automotive systems, 53178-53390D Bearing is used in differentials and transmissions, offering stability under high torque. Its ABEC-1 rating ensures consistent performance for everyday driving.

For aerospace applications, 53178-53390D Bearing is suitable for auxiliary systems where reliability is critical. The temperature range of -30° to 110°C makes it adaptable to various operational conditions.

Q&A

SEND INQUIRY