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TS (Single Row Tapered Roller Bearings) (Imperial) 857-854X

TS (Single Row Tapered Roller Bearings) (Imperial) 857-854X

The 857-854X is a single-row tapered roller bearing with a 3.625″ 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 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 vehicles where combined loads are common.

Weighing 19.8 lb, it’s built for strength and longevity. Compliant with RoHS and REACH standards for safe and reliable performance.

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Product Parameters

  • Part Number 857-854X
  • Brand TFL
  • Interchangeable Timken
  • Size 3.625" x 7.875" x 2.4376"
  • Bore Dia 3.625"
  • 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 4.88"
  • Cone Backface Backing Diameter 4.76"
  • 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 857
  • 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 19.8 lb

Features

Performance Features of 857-854X Bearing

857-854X Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 103,000 lbf, ensuring reliable performance in heavy-duty applications.

The steel cage maintains roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in various operating conditions.

857-854X Bearing requires lubrication, which helps maintain smooth operation over time.
Its standard radial clearance options provide flexibility for different installation needs.

Application

Industrial Uses of 857-854X Bearing
857-854X Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability even in demanding environments.

Where Is 857-854X Bearing Used?
You’ll often find 857-854X 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: 857-854X Bearing
857-854X Bearing excels in mining applications, where its steel cage and chrome steel rollers withstand harsh conditions. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 857-854X Bearing
In automotive systems, 857-854X Bearing supports axles and wheel hubs, thanks to its high dynamic load capacity. For aerospace, its precision and reliability make it suitable for landing gear components.

Essential Roles of 857-854X Bearing
857-854X Bearing is vital in industrial fans and blowers, where its tapered rollers manage both radial and axial forces. The standard radial clearance ensures smooth operation across various speeds.

Q&A

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