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TS (Single Row Tapered Roller Bearings) (Imperial) 74473X-74845

TS (Single Row Tapered Roller Bearings) (Imperial) 74473X-74845

The 74473X-74845 is a single-row tapered roller bearing with a 4.72″ bore and 8.46″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 85,900 lbf radially and 18,600 lbf thrust, suitable for demanding applications.

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 heavy machinery or industrial equipment where combined loads are common.

Weighing 16.2 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most environments.

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Product Parameters

  • Part Number 74473X-74845
  • Brand TFL
  • Interchangeable Timken
  • Size 4.7244" x 8.4636" x 1.8751"
  • Bore Dia 4.7244"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 8.4636"
  • 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 8.23"
  • 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 74845
  • 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 16.2 lb

Features

How Is 74473X-74845 Bearing Engineered for Reliability?

74473X-74845 Bearing features chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity reaches 85,900 lbf, making it suitable for heavy-duty applications.

The tapered roller design provides effective load distribution, reducing wear and extending service life.
With a standard radial clearance, it offers reliable performance in various operating conditions.

74473X-74845 Bearing operates within a temperature range of -30° to 110°C, ensuring versatility.
The steel cage maintains roller alignment, contributing to smooth and efficient operation.

Application

Industrial Uses of 74473X-74845 Bearing
74473X-74845 Bearing is commonly used in heavy machinery like construction equipment and mining rigs, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in tough working conditions.

In automotive applications, 74473X-74845 Bearing fits well in truck wheel hubs and differential systems, providing reliable performance under high stress. Its imperial sizing makes it a preferred choice for North American vehicle manufacturers.

For industrial fans and pumps, 74473X-74845 Bearing’s open design allows for easy lubrication, extending service life in continuous operation. The steel cage adds stability, reducing wear over time.

Where Is 74473X-74845 Bearing Used?
You’ll often find 74473X-74845 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design handles uneven loads. The ABEC-1 rating ensures consistent performance without over-engineering.

In conveyor systems, 74473X-74845 Bearing supports heavy loads while maintaining smooth rotation. Its standard radial clearance makes it adaptable to various operational demands.

Built for Heavy-Duty Use: 74473X-74845 Bearing
74473X-74845 Bearing excels in forestry equipment like log splitters, where its tapered rollers manage both radial and thrust loads. The temperature range of -30° to 110°C suits outdoor use.

For railway applications, 74473X-74845 Bearing’s durability ensures reliable performance in freight car axles. The interchangeable design with Timken bearings simplifies maintenance and replacements.

Automotive vs Aerospace: Applications of 74473X-74845 Bearing
In automotive settings, 74473X-74845 Bearing is ideal for heavy-duty trucks, offering load capacity and longevity. Its imperial measurements align with standard US automotive specs.

For aerospace ground equipment, 74473X-74845 Bearing provides dependable performance in tow tractors and cargo loaders. The steel cage and chrome steel rollers ensure minimal maintenance under frequent use.

Q&A

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