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TS (Single Row Tapered Roller Bearings) (Imperial) 74472-74845

TS (Single Row Tapered Roller Bearings) (Imperial) 74472-74845

The 74472-74845 is a single-row tapered roller bearing with a 4.723″ bore and 8.4636″ outer diameter, crafted from robust chrome steel. It handles combined loads up to 85900 lbf radially and 18600 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 use in industrial machinery, automotive systems, or construction equipment where combined loads are common.

Weighing 16.2 lb, it’s built to last with standard radial clearance options. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 74472-74845
  • Brand TFL
  • Interchangeable Timken
  • Size 4.723" x 8.4636" x 1.8751"
  • Bore Dia 4.723"
  • 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 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 6.34"
  • Cone Backface Backing Diameter 5.59"
  • 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 74472
  • 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

Performance Features of 74472-74845 Bearing

74472-74845 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 85,900 lbf, ensuring reliable performance in 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 well in various environments.

How Is 74472-74845 Bearing Engineered for Reliability?

74472-74845 Bearing features a single-row tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its effective center location of 0.09″ enhances stability under load.
This bearing is interchangeable with Timken models, offering flexibility in replacements.

Built for Durability: 74472-74845 Bearing

74472-74845 Bearing’s robust design includes a steel cage that withstands high dynamic loads up to 85,900 lbf.
The tapered roller construction ensures efficient load distribution, reducing wear over time.
With an ABEC-1 rating, it balances precision and cost-effectiveness.
Its standard lubrication requirement simplifies maintenance while ensuring consistent performance.

Steel vs Ceramic Bearings: Strengths of 74472-74845 Bearing

74472-74845 Bearing uses chrome steel for both rings and rollers, providing excellent strength and wear resistance.
This material choice makes it more cost-effective than ceramic options while maintaining high load capacity.
The bearing’s 16.2 lb weight reflects its sturdy construction for industrial applications.
Its compatibility with standard lubrication systems ensures easy integration into existing machinery.

Application

Industrial Uses of 74472-74845 Bearing
74472-74845 Bearing is commonly used in heavy machinery like construction equipment and mining gear, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in tough working conditions.

Where Is 74472-74845 Bearing Used?
You’ll often find 74472-74845 Bearing in automotive applications, particularly in truck wheel hubs and differential systems. Its inch sizing makes it a good fit for North American vehicle designs.

Built for Heavy-Duty Use: 74472-74845 Bearing
74472-74845 Bearing works well in industrial fans and pumps, thanks to its ability to manage both radial and thrust loads. The open design simplifies lubrication and maintenance.

Automotive vs Aerospace: Applications of 74472-74845 Bearing
In automotive settings, 74472-74845 Bearing supports axle systems, while in aerospace, it’s used in landing gear mechanisms. The steel cage adds stability under high stress.

Key Fields for 74472-74845 Bearing
74472-74845 Bearing is a reliable choice for agricultural machinery like tractors and harvesters. Its standard radial clearance allows for smooth operation in varying temperatures.

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