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TS (Single Row Tapered Roller Bearings) (Imperial) 855-852

TS (Single Row Tapered Roller Bearings) (Imperial) 855-852

The 855-852 is a single-row tapered roller bearing with a 3.5″ bore and 7.5″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 103,000 lbf radially and 15,300 lbf thrust, suitable for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C.

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for use in industrial machinery or automotive systems where robust performance is needed.

Weighing 17.1 lb, it’s built to handle demanding conditions while complying with RoHS and REACH standards.

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Product Parameters

  • Part Number 855-852
  • Brand TFL
  • Interchangeable Timken
  • Size 3.5" x 7.5" x 2.2501"
  • Bore Dia 3.5"
  • 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 1.875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 2.2501"
  • 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 6.69"
  • 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 855
  • Cup Part Number 852
  • 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 17.1 lb

Features

Performance Features of 855-852 Bearing

855-852 Bearing is built with chrome steel rings and rollers, offering robust performance under 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 wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 855-852 Bearing Engineered for Reliability?

855-852 Bearing features precise cone and cup dimensions, ensuring smooth operation and easy installation.
The tapered roller design efficiently handles both radial and thrust loads.
Its standard radial clearance allows for flexibility in different applications.
The bearing requires lubrication to maintain optimal performance over time.

Built for Durability: 855-852 Bearing

855-852 Bearing’s chrome steel construction provides excellent resistance to wear and fatigue.
With a static radial load capacity of 142,000 lbf, it excels in demanding environments.
The open design simplifies maintenance and inspection.
Its ABEC-1 rating ensures consistent performance for industrial applications.

Application

Essential Roles of 855-852 Bearing
The 855-852 Bearing is widely used in heavy machinery, such as construction equipment and mining gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in tough working conditions.

In automotive applications, 855-852 Bearing is commonly found in truck wheel hubs and differential systems, providing reliable performance under high radial and thrust loads. The inch sizing makes it a perfect fit for American and British vehicle standards.

For industrial conveyor systems, 855-852 Bearing’s open design allows for easy lubrication, extending service life in continuous operation environments. The steel cage adds extra strength, making it suitable for high-load scenarios.

Where Is 855-852 Bearing Used?
You’ll often spot 855-852 Bearing in agricultural machinery, like tractors and harvesters, where its robust design handles uneven loads and rough terrain. The standard radial clearance ensures smooth operation in varying temperatures.

In railway applications, 855-852 Bearing supports axle boxes, offering stability and reducing wear over long distances. Its ABEC-1 rating provides a balance of precision and cost-effectiveness for these heavy-duty uses.

Built for Heavy-Duty Use: 855-852 Bearing
The 855-852 Bearing excels in forestry equipment, such as log splitters and sawmills, thanks to its high static radial load capacity. Its tapered rollers distribute stress evenly, preventing premature failure.

For power transmission systems, 855-852 Bearing’s effective center location helps maintain alignment, reducing vibration and noise. The steel cage and chrome steel rollers ensure long-term reliability in demanding conditions.

Automotive vs Aerospace: Applications of 855-852 Bearing
In automotive settings, 855-852 Bearing is ideal for heavy trucks and buses, where its dynamic thrust rating handles frequent starts and stops. The inch measurements simplify replacements in older models.

While not typically used in aerospace, 855-852 Bearing finds its place in ground support equipment, like aircraft tugs, due to its strength and ease of maintenance. The open design allows for quick inspections and lubrication.

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