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TS (Single Row Tapered Roller Bearings) (Imperial) 74525-74845

TS (Single Row Tapered Roller Bearings) (Imperial) 74525-74845

The 74525-74845 is a single-row tapered roller bearing with a 5.25″ bore and 8.4636″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 85900 lbf radially and 18600 lbf thrust, suitable for heavy-duty applications.

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

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for use in industrial machinery or automotive systems where combined loads are common.

Weighing 14 lb, it’s built to last and complies with RoHS and REACH standards for safe usage.

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Product Parameters

  • Part Number 74525-74845
  • Brand TFL
  • Interchangeable Timken
  • Size 5.25" x 8.4636" x 1.875"
  • Bore Dia 5.25"
  • 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 1.875"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 6.69"
  • Cone Backface Backing Diameter 5.98"
  • 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 74525
  • 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 14 lb

Features

How Is 74525-74845 Bearing Engineered for Reliability?

74525-74845 Bearing features chrome steel rings and rollers, providing robust resistance to combined loads.
Its dynamic radial load capacity reaches 85,900 lbf, ensuring dependable 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 reliably in varied conditions.

Structural Advantages of 74525-74845 Bearing

74525-74845 Bearing’s tapered roller design efficiently handles both radial and thrust loads.
The precise cone and cup dimensions ensure smooth operation and easy installation.
Chrome steel construction enhances durability, even under high-stress conditions.
Standard radial clearance options allow flexibility for different application needs.

Why Choose 74525-74845 Bearing for Precision Tasks?

74525-74845 Bearing offers ABEC-1 precision, suitable for applications requiring accurate performance.
Its effective center location of 0.09″ ensures stable and balanced operation.
The open design allows for easy lubrication, maintaining optimal performance over time.
With a static radial load of 138,000 lbf, it excels in demanding industrial settings.

Application

Industrial Uses of 74525-74845 Bearing
The 74525-74845 Bearing is commonly used in heavy machinery like construction equipment and mining rigs, where its tapered roller design handles combined radial and thrust loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

Where Is 74525-74845 Bearing Used?
You’ll often find the 74525-74845 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design supports high loads. The inch sizing makes it a popular choice for North American equipment manufacturers.

Built for Heavy-Duty Use: 74525-74845 Bearing
The 74525-74845 Bearing excels in industrial gearboxes, providing reliable performance under continuous operation. Its open design allows for easy lubrication, extending service life in high-wear applications.

Automotive vs Aerospace: Applications of 74525-74845 Bearing
In automotive applications, the 74525-74845 Bearing is ideal for wheel hubs and drivetrains, offering stability under heavy loads. For aerospace, its precision tolerances make it suitable for auxiliary systems requiring consistent performance.

Practical Applications of 74525-74845 Bearing
The 74525-74845 Bearing is a go-to choice for railway axle boxes, where its tapered rollers manage dynamic loads effectively. Its steel cage adds strength, making it reliable for long-haul transport.

Q&A

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