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

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

The 863X-854X is a single-row tapered roller bearing with a 3.937″ bore and 7.875″ outer diameter, crafted from durable 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 reliable performance. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for industrial machinery or automotive applications where high radial and thrust loads are common.

Weighing 18.6 lb, it’s built for strength and longevity. Compliant with RoHS and REACH standards, it’s a safe and dependable choice.

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Product Parameters

  • Part Number 863X-854X
  • Brand TFL
  • Interchangeable Timken
  • Size 3.937" x 7.875" x 2.4376"
  • Bore Dia 3.937"
  • 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 0.24"
  • 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 6.81"
  • 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 863X
  • 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 18.6 lb

Features

How Does 863X-854X Bearing Handle Combined Loads?

863X-854X Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 103,000 lbf, making it suitable for heavy-duty applications.

The steel cage ensures proper roller alignment, reducing friction and extending the bearing’s lifespan.
With a temperature range of -30° to 110°C, it performs reliably in various operating conditions.

863X-854X Bearing’s standard radial clearance allows for smooth operation under combined loads.
Its ABEC-1 rating ensures consistent performance for general industrial applications.

Application

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

Where Is 863X-854X Bearing Used?
You’ll often find 863X-854X Bearing in automotive applications, particularly in truck wheel hubs and differential systems. Its precise inch sizing makes it a reliable choice for vehicles requiring robust load support.

Built for Heavy-Duty Use: 863X-854X Bearing
863X-854X Bearing excels in industrial fans and pumps, thanks to its high dynamic radial load capacity. The open design allows for easy lubrication, extending its service life in continuous operation.

Automotive vs Aerospace: Applications of 863X-854X Bearing
In automotive settings, 863X-854X Bearing supports axle systems, while in aerospace, it’s used in auxiliary gearboxes. The steel cage provides stability under varying temperatures and loads.

Key Fields for 863X-854X Bearing
863X-854X Bearing is ideal for agricultural machinery, such as tractors and harvesters, where its tapered rollers manage heavy radial and thrust loads. The standard radial clearance ensures smooth performance in dusty environments.

Q&A

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