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TS (Single Row Tapered Roller Bearings) (Imperial) 74473X-74853

TS (Single Row Tapered Roller Bearings) (Imperial) 74473X-74853

The 74473X-74853 is a single-row tapered roller bearing with a 4.72″ bore and 8.5″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 85,900 lbf radially and 18,600 lbf thrust, suitable for heavy-duty use.

Its open design allows easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, making it versatile for various conditions.

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

Weighing 17.9 lbs, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 74473X-74853
  • Brand TFL
  • Interchangeable Timken
  • Size 4.7244" x 8.5" x 2.125"
  • Bore Dia 4.7244"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 8.5"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.875"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 2.125"
  • 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 7.72"
  • 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 74853
  • 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 17.900 lb

Features

Performance Features of 74473X-74853 Bearing

74473X-74853 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, reducing friction and enhancing durability.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 74473X-74853 Bearing Engineered for Reliability?

74473X-74853 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction provides excellent wear resistance, extending its service life.
Its standard radial clearance allows for smooth operation in diverse industrial settings.
With an ABEC-1 rating, it balances precision and cost-effectiveness.

Built for Durability: 74473X-74853 Bearing

74473X-74853 Bearing’s robust design withstands static radial loads up to 138,000 lbf.
The tapered roller configuration ensures efficient load distribution, reducing stress on components.
Its steel cage maintains roller positioning, even under high-speed conditions.
The bearing requires regular lubrication to maintain optimal performance over time.

Steel vs Ceramic Bearings: Strengths of 74473X-74853 Bearing

74473X-74853 Bearing uses chrome steel for both rings and rollers, providing excellent strength-to-weight ratio.
This material choice makes it more cost-effective than ceramic alternatives for many industrial applications.
The bearing’s 17.9 lb weight reflects its sturdy construction without being excessively heavy.
Its compatibility with Timken equivalents offers flexibility in sourcing and replacement.

Application

Industrial Uses of 74473X-74853 Bearing
74473X-74853 Bearing is commonly used in heavy machinery like construction equipment and mining tools, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 74473X-74853 Bearing supports wheel hubs and drivetrains, providing reliable performance under high radial and thrust loads. Its inch sizing makes it a preferred choice for American and British vehicle models.

For industrial fans and pumps, 74473X-74853 Bearing’s open design allows for easy lubrication, extending service life in continuous operation. The steel cage adds stability, reducing wear during high-speed rotations.

Where Is 74473X-74853 Bearing Used?
You’ll often find 74473X-74853 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design handles uneven loads. The standard radial clearance ensures smooth operation in varying conditions.

In conveyor systems, 74473X-74853 Bearing’s tapered rollers manage heavy loads efficiently, reducing downtime. The ABEC-1 rating provides a good balance of precision and cost-effectiveness for industrial applications.

Built for Heavy-Duty Use: 74473X-74853 Bearing
74473X-74853 Bearing excels in gearboxes and power transmission systems, thanks to its high dynamic radial load capacity. The steel cage and chrome steel rollers enhance its longevity under stress.

For railway applications, 74473X-74853 Bearing’s temperature range and lubrication requirements make it suitable for both freight and passenger trains. Its compatibility with Timken models simplifies replacements.

Automotive vs Aerospace: Applications of 74473X-74853 Bearing
In automotive settings, 74473X-74853 Bearing is ideal for axles and differentials, offering reliable performance under combined loads. The inch measurements ensure easy integration with existing systems.

For aerospace ground equipment, 74473X-74853 Bearing’s static radial load capacity makes it useful in tow tractors and loading vehicles. The chrome steel material resists corrosion in outdoor conditions.

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