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TS (Single Row Tapered Roller Bearings) (Imperial) 863X-854

TS (Single Row Tapered Roller Bearings) (Imperial) 863X-854

The 863X-854 is a single-row tapered roller bearing with a 3.937″ bore and 7.5″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 103,000 lbf radially and 15,300 lbf thrust, making it a robust choice 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, suitable for various industrial environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for use in gearboxes, axles, or machinery where combined loads are common.

Weighing 15.3 lb, it’s built to last while meeting RoHS and REACH standards for safety and environmental compliance. The standard radial clearance ensures easy installation and maintenance.

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Product Parameters

  • Part Number 863X-854
  • Brand TFL
  • Interchangeable Timken
  • Size 3.937" x 7.5" x 2.2501"
  • Bore Dia 3.937"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 7.5"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 2.265"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.75"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 2.2501"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.24"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 5.51"
  • Cone Backface Backing Diameter 4.88"
  • Cup Frontface Backing Diameter 6.86"
  • Cup Backface Backing Diameter 6.69"
  • Cage Cone Frontface Clearance 0.06"
  • Cage Cone Backface Clearance 0.15"
  • Effective Center Location -0.6"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 863X
  • Cup Part Number 854
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 855
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 103000 lbf
  • Static Radial Load 142000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 26700 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 15300 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 15.3 lb

Features

Structural Advantages of 863X-854 Bearing

863X-854 Bearing features a single-row tapered roller design, ideal for handling combined radial and thrust loads.
Its chrome steel construction ensures durability and resistance to wear in demanding applications.
The standard radial clearance allows for smooth operation, with options available for C3, C4, or C5 clearances.
With a dynamic radial load capacity of 103,000 lbf, it performs reliably under heavy loads.

How Does 863X-854 Bearing Resist Wear?

863X-854 Bearing’s chrome steel rollers and rings provide excellent resistance to wear, even under high stress.
The steel cage maintains proper roller alignment, reducing friction and extending service life.
Its tapered roller design distributes loads evenly, minimising surface fatigue.
Operating within a temperature range of -30° to 110°C, it maintains performance in various conditions.

Engineered for Precision: 863X-854 Bearing

863X-854 Bearing offers precise tolerances, with bore and outer diameter tolerances of +0.001″ to 0.
The ABEC-1 rating ensures consistent performance for applications requiring reliable precision.
Its effective center location of -0.6″ provides optimal load distribution across the rollers.
The bearing’s design allows for easy lubrication, maintaining smooth operation over time.

Steel vs Ceramic Bearings: Strengths of 863X-854 Bearing

863X-854 Bearing uses high-quality chrome steel for both rings and rollers, balancing cost and performance.
This material choice provides excellent strength and durability for industrial applications.
The steel cage offers reliable performance without the brittleness concerns of ceramic alternatives.
With a static radial load capacity of 142,000 lbf, it handles substantial loads with confidence.

Application

Industrial Uses of 863X-854 Bearing
863X-854 Bearing is commonly used in heavy machinery like construction equipment and mining tools, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in rugged environments.

In automotive applications, 863X-854 Bearing supports axle systems and wheel hubs, providing reliable performance under high radial and thrust loads. Its inch sizing makes it a preferred choice for North American vehicle models.

For industrial automation, 863X-854 Bearing’s open design allows for easy lubrication, maintaining smooth operation in conveyor systems and robotic arms. The steel cage adds stability during high-speed rotations.

Where Is 863X-854 Bearing Used?
863X-854 Bearing finds its place in agricultural machinery, such as tractors and harvesters, where its robust design withstands dusty and high-load conditions. The standard radial clearance offers flexibility for various setups.

In material handling equipment, 863X-854 Bearing ensures efficient performance in forklifts and cranes, thanks to its high dynamic load capacity. The ABEC-1 rating provides a balance of precision and affordability.

Built for Heavy-Duty Use: 863X-854 Bearing
863X-854 Bearing is ideal for forestry equipment like log splitters and sawmills, where its tapered rollers manage intense shock loads. The temperature range suits both cold and moderately hot environments.

For railway applications, 863X-854 Bearing supports freight car axles, offering long service life with minimal maintenance. Its compatibility with Timken models simplifies replacements and upgrades.

Automotive vs Aerospace: Applications of 863X-854 Bearing
In automotive systems, 863X-854 Bearing excels in truck differentials, handling heavy loads with ease. The inch measurements align perfectly with imperial-sized components.

For aerospace ground support equipment, 863X-854 Bearing provides reliable performance in aircraft tugs and loading systems. Its steel cage ensures stability during frequent start-stop cycles.

Q&A

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