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TS (Single Row Tapered Roller Bearings) (Imperial) 93787-J93129A

TS (Single Row Tapered Roller Bearings) (Imperial) 93787-J93129A

The 93787-J93129A is a single-row tapered roller bearing with a 7.875″ bore and 12.5984″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 164,000 lbf radially and 38,200 lbf thrust, making it suitable 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 heavy equipment where robust performance is needed.

Weighing 41.3 lb, it’s built to last and complies with RoHS and REACH standards for safe use. The standard radial clearance ensures easy installation and maintenance.

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Product Parameters

  • Part Number 93787-J93129A
  • Brand TFL
  • Interchangeable Timken
  • Size 7.875" x 12.5984" x 2.5"
  • Bore Dia 7.875"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 12.5984"
  • Outer Dia Tolerance +0.002" to 0
  • Cone Width 2.5"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.8125"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 2.5"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.170"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 9.65"
  • Cone Backface Backing Diameter 8.86"
  • Cup Frontface Backing Diameter 11.75"
  • Cup Backface Backing Diameter 11.30"
  • Cage Cone Frontface Clearance 0.21"
  • Cage Cone Backface Clearance 0.32"
  • Effective Center Location 0.31"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 93787
  • Cup Part Number J93129A
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 93000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 164000 lbf
  • Static Radial Load 290000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 42600 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 38200 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 41.3 lb

Features

Performance Features of 93787-J93129A Bearing

93787-J93129A Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 164,000 lbf, ensuring reliable performance in heavy-duty applications.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Does 93787-J93129A Bearing Reduce Friction?

93787-J93129A Bearing features a precision-engineered tapered roller design, minimising friction during operation.
The chrome steel construction ensures smooth movement even under high radial or thrust loads.
Its effective centre location of 0.31″ enhances stability and reduces wear.
Regular lubrication maintains optimal performance and extends service intervals.

Built for Reliability: 93787-J93129A Bearing

93787-J93129A Bearing’s single-row construction provides consistent performance in demanding conditions.
With a static radial load capacity of 290,000 lbf, it handles heavy industrial applications with ease.
The standard radial clearance options (C3/C4/C5) allow for flexibility in different setups.
Its ABEC-1 rating ensures dependable precision for various mechanical systems.

Steel vs Ceramic Bearings: Strengths of 93787-J93129A Bearing

93787-J93129A Bearing uses chrome steel for both rings and rollers, offering excellent durability.
This material choice provides better impact resistance compared to ceramic alternatives in heavy-load scenarios.
The steel cage further enhances the bearing’s structural integrity under stress.
Its 41.3 lb weight reflects the robust construction suitable for industrial machinery.

Application

Industrial Uses of 93787-J93129A Bearing
93787-J93129A Bearing is commonly used in heavy machinery like construction equipment and mining drills, where its tapered roller design handles combined loads effectively.
The chrome steel construction ensures durability in harsh environments, while the open seal allows for easy lubrication during maintenance.

What Makes 93787-J93129A Bearing a Preferred Choice?
In automotive applications, 93787-J93129A Bearing supports large axles and wheel hubs, providing stability under heavy loads.
Its inch sizing makes it compatible with many North American vehicle models, offering a reliable fit for long-term use.

Built for Heavy-Duty Use: 93787-J93129A Bearing
For industrial conveyor systems, 93787-J93129A Bearing’s high dynamic radial load capacity ensures smooth operation even under constant stress.
The steel cage adds extra strength, making it suitable for high-speed production lines.

Automotive vs Aerospace: Applications of 93787-J93129A Bearing
In automotive settings, 93787-J93129A Bearing is ideal for truck transmissions, where its tapered rollers manage both radial and thrust loads.
While in aerospace, its precision and reliability make it useful for ground support equipment, though not typically for flight components.

Key Fields for 93787-J93129A Bearing
Agricultural machinery benefits from 93787-J93129A Bearing’s ability to withstand dirt and debris, thanks to its robust chrome steel rollers.
The standard radial clearance also allows for slight misalignments, common in farming equipment.

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