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TS (Single Row Tapered Roller Bearings) (Imperial) 74525-74850

TS (Single Row Tapered Roller Bearings) (Imperial) 74525-74850

The 74525-74850 is a single-row tapered roller bearing with a 5.25″ bore and 8.5″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 85900 lbf radially and 18600 lbf thrust-wise, suitable for heavy-duty applications.

Its open design allows 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, making it a practical choice for replacements. Ideal for industrial machinery or automotive systems where combined loads are common.

Weighing 14.3 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 74525-74850
  • Brand TFL
  • Interchangeable Timken
  • Size 5.25" x 8.5" x 1.875"
  • Bore Dia 5.25"
  • 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 1.375"
  • 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 74850
  • 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 14.3 lb

Features

Engineered for Precision: 74525-74850 Bearing

74525-74850 Bearing features a single row tapered roller design, ideal for handling combined loads with high efficiency.
Its chrome steel construction ensures durability and resistance to wear in demanding applications.

The bearing’s dynamic radial load capacity reaches 85,900 lbf, providing reliable performance under heavy loads.
Precision tolerances on bore and outer diameters ensure smooth operation and easy installation.

74525-74850 Bearing operates effectively in temperatures ranging from -30° to 110°C.
Its standard radial clearance options allow flexibility for various industrial needs.

With a weight of 14.3 lb, it balances strength and manageability for easier handling.
The open seal design simplifies maintenance while ensuring consistent performance.

Application

Practical Applications of 74525-74850 Bearing
In heavy machinery, 74525-74850 Bearing handles combined loads effortlessly, making it ideal for construction equipment like bulldozers and cranes. Its tapered roller design ensures stability even under uneven force distribution.

Where Is 74525-74850 Bearing Used?
You’ll often spot 74525-74850 Bearing in agricultural gear, such as tractor transmissions, where its chrome steel construction withstands dusty conditions. The open seal design simplifies lubrication checks during routine maintenance.

Built for Heavy-Duty Use: 74525-74850 Bearing
Industrial fans rely on 74525-74850 Bearing for smooth rotation, thanks to its ABEC-1 precision rating. The steel cage adds durability, reducing wear in continuous operation scenarios.

Automotive vs Aerospace: Applications of 74525-74850 Bearing
In trucks, 74525-74850 Bearing supports axles, while in aircraft landing gear, its high static load capacity shines. The inch sizing ensures compatibility with North American manufacturing standards.

Essential Roles of 74525-74850 Bearing
Railway freight cars use 74525-74850 Bearing in wheel assemblies, where its dynamic radial load rating keeps operations safe. The standard radial clearance adapts well to temperature fluctuations.

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