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TS (Single Row Tapered Roller Bearings) (Imperial) 863X-852

TS (Single Row Tapered Roller Bearings) (Imperial) 863X-852

The 863X-852 is a single-row tapered roller bearing with a 3.937″ 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 a robust choice for heavy-duty applications.

Its open design allows for 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 construction equipment where combined loads are common.

Weighing 15.5 lb, it’s designed for long-lasting performance and complies with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 863X-852
  • Brand TFL
  • Interchangeable Timken
  • Size 3.937" x 7.5" x 2.2501"
  • Bore Dia 3.937"
  • 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 0.24"
  • 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 6.69"
  • 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 863X
  • 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 15.5 lb

Features

Why Choose 863X-852 Bearing for Precision Tasks?

863X-852 Bearing is crafted from chrome steel, offering excellent resistance to combined loads.
Its dynamic radial load capacity reaches 103,000 lbf, making it suitable for heavy-duty applications.

The tapered roller design ensures smooth operation and efficient load distribution.
With a standard radial clearance, it provides reliable performance in various conditions.

863X-852 Bearing operates within a temperature range of -30° to 110°C, ensuring versatility.
Its steel cage maintains roller alignment, reducing wear and extending service life.

Application

Industrial Uses of 863X-852 Bearing
863X-852 Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.

In automotive applications, 863X-852 Bearing supports axle systems and wheel hubs, providing reliable performance under high radial and thrust loads. Its imperial sizing makes it a preferred choice for North American vehicle models.

For industrial conveyor systems, 863X-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.

What Makes 863X-852 Bearing a Preferred Choice?
863X-852 Bearing excels in agricultural machinery, such as tractors and harvesters, due to its ability to withstand dirt and debris. The standard radial clearance ensures smooth operation even in dusty environments.

In railway applications, 863X-852 Bearing provides stability for freight car axles, handling heavy loads over long distances. Its ABEC-1 rating offers a balance of precision and cost-effectiveness for such uses.

Built for Heavy-Duty Use: 863X-852 Bearing
863X-852 Bearing is ideal for wind turbine gearboxes, where its tapered rollers manage varying loads efficiently. The temperature range of -30° to 110°C ensures reliability in diverse climates.

For oil and gas equipment, 863X-852 Bearing’s robust design handles the harsh conditions of drilling rigs. The dynamic radial load capacity of 103000 lbf makes it a dependable choice for these demanding applications.

Automotive vs Aerospace: Applications of 863X-852 Bearing
In automotive systems, 863X-852 Bearing is often found in truck differentials, offering strength and longevity. Its compatibility with Timken models simplifies maintenance and replacements.

For aerospace ground support equipment, 863X-852 Bearing provides precision in loading systems and cargo handlers. The inch sizing aligns with many US-made components, ensuring easy integration.

Q&A

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