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TS (Single Row Tapered Roller Bearings) (Imperial) 861-854

TS (Single Row Tapered Roller Bearings) (Imperial) 861-854

The 861-854 is a single-row tapered roller bearing with a 4″ bore and 7.5″ outer diameter, built 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. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for varied environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for industrial machinery, gearboxes, or heavy equipment where high radial and thrust loads are common.

Weighing 15.10 lb, it’s a solid choice for demanding applications. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 861-854
  • Brand TFL
  • Interchangeable Timken
  • Size 4" x 7.5" x 2.25"
  • Bore Dia 4"
  • 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 2.25"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.310"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 5.31"
  • Cone Backface Backing Diameter 5.08"
  • 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 861
  • 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 15.10 lb

Features

How Does 861-854 Bearing Handle Combined Loads?

861-854 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 enhancing durability.
With a temperature range of -30° to 110°C, it performs reliably in various operating conditions.

What Makes 861-854 Bearing Durable?

861-854 Bearing features chrome steel construction, providing excellent wear resistance and long service life.
The tapered roller design distributes loads evenly, minimising stress on individual components.
Its standard radial clearance allows for smooth operation under combined loads.
Weighing 15.10 lb, it balances strength and practicality for industrial use.

Performance Features of 861-854 Bearing

861-854 Bearing’s single-row design simplifies installation while maintaining high load capacity.
The open seal type facilitates easy lubrication, ensuring consistent performance over time.
With an ABEC-1 rating, it delivers reliable precision for general industrial applications.
Its interchangeable design with Timken bearings offers flexibility in replacement options.

Why Choose 861-854 Bearing for Heavy-Duty Applications?

861-854 Bearing handles dynamic thrust loads up to 15,300 lbf, ideal for demanding environments.
The chrome steel rollers and rings resist deformation under high stress conditions.
Its effective centre location of -0.6″ ensures stable operation during combined loading.
Available in standard and C3/C4/C5 radial clearances, it adapts to various operational needs.

Engineered for Reliability: 861-854 Bearing

861-854 Bearing’s precise cone and cup dimensions provide consistent performance under load.
The steel cage maintains proper roller spacing, reducing wear and extending bearing life.
With a static radial load capacity of 142,000 lbf, it withstands extreme operating conditions.
Its compliance with RoHS and REACH standards ensures environmental responsibility.

Application

Industrial Uses of 861-854 Bearing
861-854 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 tough working conditions.

Where Is 861-854 Bearing Used?
You’ll often find 861-854 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design supports high radial and thrust loads. Its inch sizing makes it a good fit for North American equipment standards.

Built for Heavy-Duty Use: 861-854 Bearing
861-854 Bearing excels in industrial gearboxes, providing reliable performance under continuous operation. The steel cage adds strength, making it suitable for high-load applications.

Automotive vs Aerospace: Applications of 861-854 Bearing
In automotive systems, 861-854 Bearing is used in wheel hubs and differentials, offering smooth rotation under stress. For aerospace, its precision meets the demands of landing gear mechanisms.

Key Fields for 861-854 Bearing
861-854 Bearing is ideal for railway applications, where its ability to handle dynamic loads ensures long service life. The open design allows for easy lubrication, reducing maintenance downtime.

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