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TS (Single Row Tapered Roller Bearings) (Imperial) 477-472A

TS (Single Row Tapered Roller Bearings) (Imperial) 477-472A

The 477-472A is a single-row tapered roller bearing with a 2.5″ bore and 4.7244″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 32200 lbf radially and 5500 lbf thrust, making it versatile for various applications.

Its open design allows for easy lubrication, while the steel cage ensures reliable performance. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing 3.2 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for industrial use.

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Product Parameters

  • Part Number 477-472A
  • Brand TFL
  • Interchangeable Timken
  • Size 2.5" x 4.7244" x 1.1418"
  • Bore Dia 2.5"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.7244"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.142"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.923"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.1418"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 3.5"
  • Cone Backface Backing Diameter 2.87"
  • Cup Frontface Backing Diameter 4.53"
  • Cup Backface Backing Diameter 4.17"
  • Cage Cone Frontface Clearance 0.12"
  • Cage Cone Backface Clearance 0.04"
  • Effective Center Location -0.16"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 477
  • Cup Part Number 472A
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 475
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 32200 lbf
  • Static Radial Load 41900 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 8360 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 5500 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 3.2 lb

Features

Engineered for Precision: 477-472A Bearing

477-472A Bearing is crafted with chrome steel rings and rollers, ensuring durability under combined loads.
Its dynamic radial load capacity reaches 32,200 lbf, making it suitable for heavy-duty applications.
The steel cage maintains roller alignment, reducing friction and enhancing performance.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Does 477-472A Bearing Reduce Friction?

477-472A Bearing features a tapered roller design that minimises friction during operation.
The chrome steel construction ensures smooth movement, even under high radial or thrust loads.
Precision engineering allows for efficient load distribution, reducing wear over time.
Its standard radial clearance options provide flexibility for different applications.

Structural Advantages of 477-472A Bearing

477-472A Bearing’s single-row construction offers a compact design without compromising strength.
The chrome steel rollers and rings work together to handle dynamic radial loads up to 32,200 lbf.
With an ABEC-1 rating, it maintains consistent performance in precision applications.
The open seal type allows for easy lubrication, ensuring long service life.

Application

Industrial Uses of 477-472A Bearing
The 477-472A Bearing is a reliable choice for heavy machinery, such as construction equipment and agricultural gear, where combined loads are common. Its tapered roller design handles both radial and thrust forces efficiently.

In automotive applications, 477-472A Bearing fits well in wheel hubs and differential systems, thanks to its inch sizing and compatibility with Timken designs. The chrome steel construction ensures longevity even under constant stress.

For industrial conveyor systems, 477-472A Bearing’s open design simplifies lubrication and maintenance. The standard radial clearance makes it adaptable to varying operational conditions without compromising performance.

Where Is 477-472A Bearing Used?
You’ll often find 477-472A Bearing in mining equipment, where its robust build withstands harsh environments. The steel cage adds extra durability, making it suitable for high-load scenarios.

In manufacturing plants, 477-472A Bearing supports machinery like presses and rollers, ensuring smooth operation. Its ABEC-1 rating provides a balance of precision and affordability for general industrial use.

Built for Heavy-Duty Use: 477-472A Bearing
The 477-472A Bearing excels in forestry machinery, where its tapered rollers manage uneven loads effortlessly. The chrome steel rollers and rings resist wear, extending service life.

For railway applications, 477-472A Bearing’s inch measurements align with North American standards. Its dynamic radial load capacity of 32,200 lbf makes it a dependable choice for freight car axles.

Automotive vs Aerospace: Applications of 477-472A Bearing
In automotive settings, 477-472A Bearing is ideal for truck transmissions, handling high torque with ease. The inch sizing ensures seamless integration with existing systems.

While not typically used in aerospace, 477-472A Bearing’s precision suits heavy-duty industrial drones. Its temperature range of -30° to 110°C covers most operational conditions.

What Makes 477-472A Bearing a Preferred Choice?
The 477-472A Bearing’s single-row design simplifies installation in tight spaces, like gearboxes. Its steel cage and chrome steel components offer a good balance of strength and cost-effectiveness.

For farm equipment, 477-472A Bearing’s combined load capability handles the demands of tractors and harvesters. The open seal type allows for easy re-greasing during routine maintenance.

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