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

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

The 857-854 is a single-row tapered roller bearing with a 3.625″ bore and 7.5″ 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 easy lubrication, while the steel cage ensures reliable performance. The bearing operates smoothly in temperatures 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 combined loads are common.

Weighing 16.4 lb, it’s built to last with standard radial clearance options. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 857-854
  • Brand TFL
  • Interchangeable Timken
  • Size 3.625" x 7.5" x 2.25"
  • Bore Dia 3.625"
  • 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 4.88"
  • Cone Backface Backing Diameter 4.76"
  • 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 857
  • 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 16.400 lb

Features

Performance Features of 857-854 Bearing

857-854 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined 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 operational life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Does 857-854 Bearing Reduce Friction?

857-854 Bearing features a tapered roller design that minimises friction during operation.
The chrome steel construction ensures smooth movement even under high radial or thrust loads.
Its standard radial clearance allows for optimal performance in most industrial settings.
Regular lubrication further enhances its efficiency and longevity.

Engineered for Precision: 857-854 Bearing

857-854 Bearing’s single-row construction provides precise load distribution.
The chrome steel rollers and rings work together to handle dynamic and static loads effectively.
With an ABEC-1 rating, it meets standard precision requirements for industrial use.
Its open design simplifies maintenance and lubrication procedures.

Application

Industrial Uses of 857-854 Bearing
The 857-854 Bearing is commonly used in heavy machinery like mining equipment and construction gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability in tough conditions.

In automotive applications, 857-854 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 go-to choice for North American vehicle manufacturers.

For industrial fans and pumps, 857-854 Bearing’s open design allows easy lubrication, extending service life in continuous operation. The steel cage adds stability, reducing wear during high-speed rotations.

Where Is 857-854 Bearing Used?
You’ll often find 857-854 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design copes with uneven loads. The standard radial clearance ensures smooth operation in varying temperatures.

In conveyor systems, 857-854 Bearing supports heavy rollers, thanks to its high dynamic radial load capacity. Its compatibility with Timken models makes replacement straightforward for maintenance teams.

Built for Heavy-Duty Use: 857-854 Bearing
The 857-854 Bearing excels in forestry equipment like log splitters, where its tapered rollers manage intense shock loads. The ABEC-1 rating balances precision and cost-effectiveness for industrial use.

In steel mills, 857-854 Bearing withstands extreme heat and heavy loads, thanks to its chrome steel components. The inch measurements simplify integration into existing machinery without conversion hassles.

Automotive vs Aerospace: Applications of 857-854 Bearing
While 857-854 Bearing is popular in truck axles, its inch sizing limits aerospace use where metric bearings dominate. Still, it’s a workhorse in ground support equipment at airports.

In industrial presses, 857-854 Bearing handles both radial and thrust forces during metal forming. The steel cage prevents roller skewing, ensuring consistent performance under repetitive stress.

Q&A

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