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TS (Single Row Tapered Roller Bearings) (Imperial) 1990X-1931

TS (Single Row Tapered Roller Bearings) (Imperial) 1990X-1931

The 1990X-1931 is a single-row tapered roller bearing with a 0.9375″ bore and 2.375″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 10900 lbf radially and 1590 lbf thrust, suitable for moderate-speed applications.

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, making it versatile for various conditions.

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for use in gearboxes, axles, or industrial machinery where combined loads are common.

Weighing just 0.7lb, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 1990X-1931
  • Brand TFL
  • Interchangeable Timken
  • Size 0.9375" x 2.375" x 0.8593"
  • Bore Dia 0.9375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.375"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.84"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.625"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.8593"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.050"
  • Cone Frontface Backing Diameter 1.16"
  • Cone Backface Backing Diameter 1.42"
  • Cup Frontface Backing Diameter 2.20"
  • Cup Backface Backing Diameter 2.05"
  • Cage Cone Frontface Clearance 0.08"
  • Cage Cone Backface Clearance 0.08"
  • Effective Center Location -0.31"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 1990X
  • Cup Part Number 1931
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 1900
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 10900 lbf
  • Static Radial Load 11300 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 2820 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 1590 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 0.7 lb

Features

Performance Features of 1990X-1931 Bearing

1990X-1931 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 10,900 lbf, ensuring reliable performance in various 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 diverse environments.

How Is 1990X-1931 Bearing Engineered for Reliability?

1990X-1931 Bearing features a single row tapered roller design, ideal for handling combined loads.
The chrome steel construction provides durability, while the open seal type allows for easy lubrication.
Its standard radial clearance ensures smooth operation, suitable for ABEC-1 precision requirements.
The bearing’s effective center location enhances stability during use.

Built for Durability: 1990X-1931 Bearing

1990X-1931 Bearing’s chrome steel components resist wear, even under heavy dynamic radial loads.
The tapered roller design distributes stress evenly, improving fatigue life.
With a static radial load capacity of 11,300 lbf, it handles demanding conditions reliably.
Its standard cup type simplifies installation and maintenance.

Steel vs Ceramic Bearings: Strengths of 1990X-1931 Bearing

1990X-1931 Bearing uses chrome steel for both rollers and rings, balancing cost and performance.
This material choice ensures good resistance to wear and combined loads.
The steel cage provides structural support while maintaining roller alignment.
Its compatibility with standard lubrication methods adds to its practicality.

Application

Industrial Uses of 1990X-1931 Bearing
1990X-1931 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

Where Is 1990X-1931 Bearing Used?
You’ll often find 1990X-1931 Bearing in automotive applications like wheel hubs and differentials, thanks to its ability to manage both radial and thrust loads. Its imperial sizing makes it a straightforward fit for many US-made vehicles.

Built for Heavy-Duty Use: 1990X-1931 Bearing
1990X-1931 Bearing excels in industrial fans and conveyor systems, where its open design allows for easy lubrication and maintenance. The steel cage adds extra strength, making it reliable for continuous operation.

Automotive vs Aerospace: Applications of 1990X-1931 Bearing
In automotive settings, 1990X-1931 Bearing supports high-load components like axles, while its precision makes it suitable for certain aerospace applications. The ABEC-1 rating ensures consistent performance across different industries.

Perfect Fit for Automation: 1990X-1931 Bearing
1990X-1931 Bearing works well in automated machinery, such as assembly lines, where its tapered rollers provide smooth motion under varying loads. The standard radial clearance offers flexibility for different operational needs.

Q&A

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