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TS (Single Row Tapered Roller Bearings) (Imperial) 478-472X

TS (Single Row Tapered Roller Bearings) (Imperial) 478-472X

The 478-472X is a single-row tapered roller bearing with a 2.5591″ bore and 4.875″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 32,200 lbf radially and 5,500 lbf thrust, making it versatile for heavy-duty use.

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

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for industrial machinery or automotive applications where combined loads are common.

Weighing 3.5 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for various environments.

The standard radial clearance (with options for C3/C4/C5) provides flexibility for different setups. Its ABEC-1 rating ensures consistent performance without over-engineering.

Perfect for scenarios requiring durability and ease of maintenance, such as conveyor systems or axle assemblies. The tapered roller design efficiently manages both radial and thrust forces.

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Product Parameters

  • Part Number 478-472X
  • Brand TFL
  • Interchangeable Timken
  • Size 2.5591" x 4.875" x 1.1875"
  • Bore Dia 2.5591"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.875"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.142"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9687"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.1875"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.09"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 3.52"
  • Cone Backface Backing Diameter 3.03"
  • Cup Frontface Backing Diameter 4.56"
  • Cup Backface Backing Diameter 4.29"
  • 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 478
  • Cup Part Number 472X
  • 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 3.5 lb

Features

How Is 478-472X Bearing Engineered for Reliability?

478-472X Bearing is constructed with chrome steel rings and rollers, ensuring strength and 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 extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

What Makes 478-472X Bearing Suitable for High-Temperature Applications?

478-472X Bearing operates efficiently in temperatures from -30° to 110°C, maintaining performance in demanding environments.
The chrome steel construction resists wear, ensuring long-term reliability.
Its standard radial clearance allows for smooth operation even under thermal expansion.
The open design facilitates easy lubrication, further enhancing its high-temperature suitability.

Built for Durability: 478-472X Bearing

478-472X Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel rollers and rings provide excellent resistance to wear and fatigue.
With a static radial load capacity of 41,900 lbf, it offers robust performance in tough conditions.
The steel cage ensures proper roller spacing, reducing friction and prolonging service life.

Steel vs Ceramic Bearings: Strengths of 478-472X Bearing

478-472X Bearing uses chrome steel for both rollers and rings, balancing cost and performance.
This material choice provides high strength and resistance to wear in industrial applications.
The steel cage complements the design, ensuring stable roller movement under load.
With its ABEC-1 rating, it delivers reliable precision for various mechanical systems.

Why Choose 478-472X Bearing for Precision Tasks?

478-472X Bearing offers standard radial clearance, ensuring smooth operation in precision applications.
Its tapered roller design efficiently handles both radial and thrust loads simultaneously.
The chrome steel components resist deformation under stress, maintaining accuracy.
With a dynamic thrust rating of 5,500 lbf, it performs consistently in demanding setups.

Application

Industrial Uses of 478-472X Bearing
The 478-472X Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability even in demanding environments.

Where Is 478-472X Bearing Used?
You’ll often find 478-472X Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a reliable choice for older or imperial-based vehicle models.

Built for Heavy-Duty Use: 478-472X Bearing
478-472X Bearing excels in industrial fans and pumps, thanks to its robust steel cage and high dynamic load capacity. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 478-472X Bearing
In automotive settings, 478-472X Bearing supports heavy axles and transmissions, while its precision makes it suitable for certain aerospace components. The ABEC-1 rating ensures consistent performance across both fields.

Practical Applications of 478-472X Bearing
For conveyor systems and material handling equipment, 478-472X Bearing offers reliable performance with its standard radial clearance. The tapered rollers distribute loads evenly, reducing wear over time.

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