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TS (Single Row Tapered Roller Bearings) (Imperial) 855-854X

TS (Single Row Tapered Roller Bearings) (Imperial) 855-854X

The 855-854X is a single-row tapered roller bearing with a 3.5″ bore and 7.875″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 103,000 lbf radially and 15,300 lbf thrust, making it robust for heavy-duty use.

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, offering a reliable replacement option. Ideal for industrial machinery or automotive applications where high radial and thrust loads are common.

Weighing 20.2 lb, it’s built for strength and longevity. Compliant with RoHS and REACH standards for safe and sustainable use.

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Product Parameters

  • Part Number 855-854X
  • Brand TFL
  • Interchangeable Timken
  • Size 3.5" x 7.875" x 2.4376"
  • Bore Dia 3.5"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 7.875"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 2.265"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.9375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 2.4376"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.310"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 4.75"
  • Cone Backface Backing Diameter 4.65"
  • Cup Frontface Backing Diameter 6.86"
  • Cup Backface Backing Diameter 6.81"
  • 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 855
  • Cup Part Number 854X
  • 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 20.200 lb

Features

How Is 855-854X Bearing Engineered for Reliability?

855-854X Bearing features chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity reaches 103,000 lbf, making it suitable for 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 various conditions.

Structural Advantages of 855-854X Bearing

855-854X Bearing’s tapered roller design efficiently handles both radial and thrust loads.
The precise cone and cup dimensions ensure smooth operation and easy installation.
Its standard radial clearance allows for flexibility in different applications.
The open seal design simplifies maintenance while ensuring reliable performance.

Why Choose 855-854X Bearing for Precision Tasks?

855-854X Bearing offers a dynamic thrust rating of 15,300 lbf, ideal for precision applications.
The chrome steel construction resists wear, maintaining accuracy over time.
Its ABEC-1 rating ensures consistent performance in demanding environments.
The bearing’s effective center location enhances stability during operation.

Application

Industrial Uses of 855-854X Bearing
The 855-854X Bearing is commonly used in heavy machinery like construction equipment and mining tools, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 855-854X Bearing fits well in truck wheel hubs and differential systems, providing reliable performance under high radial and thrust loads. The inch sizing makes it a preferred choice for North American vehicle models.

For industrial conveyor systems, 855-854X Bearing’s open design allows for easy lubrication, extending service life in continuous operation. The steel cage adds stability, making it suitable for high-load scenarios.

Where Is 855-854X Bearing Used?
You’ll often find 855-854X Bearing in agricultural machinery, such as tractors and harvesters, where its robust design withstands rough conditions. The standard radial clearance ensures smooth operation even with varying loads.

In power transmission systems, 855-854X Bearing supports gearboxes and driveshafts, thanks to its high dynamic load capacity. The ABEC-1 rating balances precision and cost-effectiveness for general industrial use.

Built for Heavy-Duty Use: 855-854X Bearing
The 855-854X Bearing excels in forestry equipment like log splitters and sawmills, where its tapered rollers manage heavy combined loads. Its temperature range of -30° to 110°C ensures reliability in diverse climates.

For railway applications, 855-854X Bearing is used in axle boxes, providing consistent performance under constant vibration. The steel cage and chrome steel rollers enhance its wear resistance over long periods.

Automotive vs Aerospace: Applications of 855-854X Bearing
In automotive settings, 855-854X Bearing is ideal for heavy-duty trucks and buses, handling both radial and thrust loads efficiently. Its inch measurements align with standard US manufacturing specifications.

While not typically used in aerospace, 855-854X Bearing finds its place in ground support equipment like aircraft tugs. The bearing’s durability and load capacity make it suitable for these demanding tasks.

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