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TS (Single Row Tapered Roller Bearings) (Imperial) 74525-74856

TS (Single Row Tapered Roller Bearings) (Imperial) 74525-74856

The 74525-74856 is a single-row tapered roller bearing with a 5.25″ bore and 8.5625″ outer diameter, crafted from sturdy 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 industrial machinery, gearboxes, or automotive systems where combined loads are common.

Weighing 14.6 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets industry safety requirements.

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Product Parameters

  • Part Number 74525-74856
  • Brand TFL
  • Interchangeable Timken
  • Size 5.25" x 8.5625" x 1.8751"
  • Bore Dia 5.25"
  • 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 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 6.69"
  • Cone Backface Backing Diameter 5.98"
  • 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 74525
  • 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 14.6 lb

Features

How Is 74525-74856 Bearing Engineered for Reliability?

74525-74856 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 tapered roller design enhances load distribution, reducing stress and extending service life.
With a standard radial clearance, it offers flexibility for various operational conditions.

74525-74856 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, ensuring smooth and consistent performance.

Application

Industrial Uses of 74525-74856 Bearing
This bearing is commonly used in heavy machinery like construction equipment and mining tools, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability in tough working conditions.

Where Is 74525-74856 Bearing Used?
You’ll often find 74525-74856 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design supports high loads. Its inch sizing makes it a good fit for North American equipment standards.

Built for Heavy-Duty Use: 74525-74856 Bearing
In industrial gearboxes, 74525-74856 Bearing provides reliable performance under constant stress. The open design allows for easy lubrication, extending its service life in demanding applications.

Automotive vs Aerospace: Applications of 74525-74856 Bearing
In automotive drivetrains, 74525-74856 Bearing handles high torque, while in aerospace, its precision supports auxiliary systems. The ABEC-1 rating balances performance and cost for these varied uses.

Key Fields for 74525-74856 Bearing
Railway applications benefit from 74525-74856 Bearing’s ability to withstand heavy loads and vibrations. Its steel cage adds stability, making it a dependable choice for long-haul trains.

Q&A

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