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TS (Single Row Tapered Roller Bearings) (Imperial) 74551X-74850

TS (Single Row Tapered Roller Bearings) (Imperial) 74551X-74850

The 74551X-74850 is a single-row tapered roller bearing with a 5.5118″ bore and 8.5″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 79500 lbf and is designed for long-lasting performance.

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. Suitable for heavy-duty applications like industrial gearboxes or construction equipment where combined loads are common.

Weighing 13.1 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 74551X-74850
  • Brand TFL
  • Interchangeable Timken
  • Size 5.5118" x 8.5" x 1.875"
  • Bore Dia 5.5118"
  • 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 6.89"
  • Cone Backface Backing Diameter 6.22"
  • Cup Frontface Backing Diameter 8.23"
  • Cup Backface Backing Diameter 7.72"
  • Cage Cone Frontface Clearance 0.08"
  • Cage Cone Backface Clearance 0.19"
  • Effective Center Location 0.09"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 74551X
  • 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 79500 lbf
  • Static Radial Load 138000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 20600 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 17200 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 13.1 lb

Features

Performance Features of 74551X-74850 Bearing

74551X-74850 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 79,500 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, reducing friction and extending operational life.
With a standard radial clearance, it provides reliable performance in various industrial settings.

How Is 74551X-74850 Bearing Engineered for Reliability?

74551X-74850 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction enhances durability, even in demanding environments.
Its dynamic thrust rating of 17,200 lbf ensures consistent performance under pressure.
The open design allows for easy lubrication, maintaining smooth operation over time.

Built for Durability: 74551X-74850 Bearing

74551X-74850 Bearing withstands high radial loads up to 138,000 lbf static capacity.
The tapered roller design distributes loads evenly, reducing stress on individual components.
Its temperature range of -30° to 110°C ensures performance in various working conditions.
The steel cage maintains roller positioning, enhancing overall bearing stability.

Application

Industrial Uses of 74551X-74850 Bearing
74551X-74850 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 74551X-74850 Bearing supports wheel hubs and axles, providing reliable performance under varying loads. Its imperial sizing makes it a preferred choice for North American vehicle manufacturers.

For industrial conveyor systems, 74551X-74850 Bearing’s open design allows for easy lubrication, extending service life in high-load scenarios. The steel cage adds stability during continuous operation.

Where Is 74551X-74850 Bearing Used?
You’ll often find 74551X-74850 Bearing in agricultural machinery, where its robust design handles rough terrain and heavy loads. The tapered rollers distribute stress evenly, reducing wear.

In mining equipment, 74551X-74850 Bearing’s high dynamic load capacity ensures reliable performance. Its standard radial clearance makes it adaptable to various operational conditions.

Built for Heavy-Duty Use: 74551X-74850 Bearing
74551X-74850 Bearing excels in forestry equipment, where its combined load capability handles both radial and thrust forces. The chrome steel rollers resist deformation under pressure.

For railway applications, 74551X-74850 Bearing’s ABEC-1 rating provides consistent performance. Its imperial measurements ensure compatibility with older rail systems.

Automotive vs Aerospace: Applications of 74551X-74850 Bearing
In automotive drivetrains, 74551X-74850 Bearing supports differentials, offering smooth power transfer. The steel cage prevents roller misalignment during high-speed rotation.

For aerospace ground equipment, 74551X-74850 Bearing’s temperature range suits outdoor use. Its static load capacity ensures stability during heavy lifting operations.

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