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TS (Single Row Tapered Roller Bearings) (Imperial) 74473X-74856

TS (Single Row Tapered Roller Bearings) (Imperial) 74473X-74856

The 74473X-74856 is a single-row tapered roller bearing with a 4.72″ bore and 8.56″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 85,900 lbf radially and 18,600 lbf thrust, making it suitable for heavy-duty applications.

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, gearboxes, or automotive systems where robust performance is needed.

Weighing 16.7 lb, it’s designed for long-lasting use with standard radial clearance. Compliant with RoHS and REACH standards for safe and eco-friendly operation.

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Product Parameters

  • Part Number 74473X-74856
  • Brand TFL
  • Interchangeable Timken
  • Size 4.7244" x 8.5625" x 1.8751"
  • Bore Dia 4.7244"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 8.5625"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.875"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.8751"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.16"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 6.37"
  • Cone Backface Backing Diameter 5.67"
  • Cup Frontface Backing Diameter 8.30"
  • Cup Backface Backing Diameter 7.76"
  • Cage Cone Frontface Clearance 0.11"
  • Cage Cone Backface Clearance 0.17"
  • Effective Center Location 0.09"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 74473X
  • Cup Part Number 74856
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 74000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 85900 lbf
  • Static Radial Load 138000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 22300 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 18600 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 16.700 lb

Features

Performance Features of 74473X-74856 Bearing

74473X-74856 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 85,900 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 74473X-74856 Bearing Engineered for Reliability?

74473X-74856 Bearing features precise cone and cup width tolerances, ensuring consistent performance.
The tapered roller design distributes loads evenly, improving efficiency and reducing stress.
Its standard radial clearance options provide flexibility for different operational needs.
This bearing is interchangeable with Timken models, offering compatibility and convenience.

Designed for Durability: 74473X-74856 Bearing

74473X-74856 Bearing’s chrome steel construction resists wear, extending its service life.
The open seal type allows for easy lubrication, maintaining smooth operation.
With a static radial load capacity of 138,000 lbf, it handles demanding conditions effortlessly.
Its ABEC-1 rating ensures reliable precision for industrial applications.

Application

Key Fields for 74473X-74856 Bearing
74473X-74856 Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in tough working conditions.

In automotive applications, 74473X-74856 Bearing supports large drivetrain components like axles and differentials, providing reliable performance under high stress. Its inch sizing makes it a good fit for American and British vehicle models.

For industrial gearboxes, 74473X-74856 Bearing’s open design allows for easy lubrication, extending service life in high-speed operations. The steel cage adds stability, reducing wear over time.

Where Is 74473X-74856 Bearing Used?
You’ll often find 74473X-74856 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design handles heavy radial and thrust loads. The standard radial clearance ensures smooth operation in varying temperatures.

In material handling systems, 74473X-74856 Bearing works well in conveyor pulleys and lifting equipment, thanks to its high dynamic load capacity. The ABEC-1 rating provides a balance of precision and affordability for these applications.

Built for Heavy-Duty Use: 74473X-74856 Bearing
74473X-74856 Bearing excels in forestry equipment, like log splitters and sawmills, where its tapered rollers manage uneven loads. The chrome steel rollers resist wear, even in dusty or humid environments.

For railway applications, 74473X-74856 Bearing supports axle boxes, ensuring smooth rotation under heavy loads. Its inch measurements align with many North American rail standards, simplifying maintenance.

Automotive vs Aerospace: Applications of 74473X-74856 Bearing
In automotive settings, 74473X-74856 Bearing is ideal for truck wheel hubs, handling both radial and axial forces. The steel cage keeps rollers aligned, even during sudden stops or starts.

For aerospace ground equipment, 74473X-74856 Bearing suits aircraft tow tractors and cargo loaders, where reliability is key. The temperature range ensures performance in various weather conditions.

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