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1990X Single Cones (Imperial)
1990X Single Cones (Imperial)

1990X Single Cones (Imperial)

The 1990X single cone is an imperial-sized tapered roller bearing with a 0.9375″ bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 10900 lbf and operates smoothly in temperatures from -30°C to 110°C.

Its open design and steel cage ensure easy maintenance and long service life. The bearing is part of the 1900 series and is interchangeable with Timken models, making it a practical choice for replacements.

With standard radial clearance and ABEC-1 rating, it offers reliable performance for industrial applications. Ideal for use in gearboxes, axles, or heavy machinery where combined loads are common. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 1990X
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number 1990X-1931
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series 1900
  • Bore Dia 0.9375"
  • Bore Dia Tolerance +0.005" to 0
  • Cone Width 0.84"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.14"
  • Cone Frontface Backing Diameter 1.16"
  • Cone Backface Backing Diameter 1.42"
  • Cage Cone Frontface Clearance 0.08"
  • Cage Cone Backface Clearance 0.08"
  • Effective Center Location -0.31"
  • Ring 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 Radial Rating(Two Row 1 Million Revolutions)(C1) 18900 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 1590 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 4910 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

How Does 1990X Bearing Handle Combined Loads?

1990X Bearing is built with chrome steel rings and a steel cage, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 10,900 lbf, ensuring reliable performance in demanding conditions.
The tapered roller design enhances load distribution, reducing wear and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

Why Choose 1990X Bearing for Precision Tasks?

1990X Bearing features a single-row tapered roller design, providing precise load handling.
The chrome steel construction ensures durability and resistance to wear under combined loads.
Its ABEC-1 rating guarantees consistent performance for standard precision applications.
The standard radial clearance option allows for flexibility in different operational conditions.

Engineered for Reliability: 1990X Bearing

1990X Bearing’s chrome steel rings and steel cage deliver long-lasting performance in tough conditions.
The dynamic thrust rating of 1,590 lbf ensures reliable operation under heavy loads.
Its effective center location design improves alignment, reducing stress on components.
With a wide temperature range, it remains functional in both hot and cold environments.

Steel vs Ceramic Bearings: Strengths of 1990X Bearing

1990X Bearing uses chrome steel for rings and steel for the cage, balancing strength and cost-efficiency.
The tapered roller design handles combined loads better than many standard bearings.
Its dynamic radial rating of 18,900 lbf for two-row configurations highlights its robust performance.
The open seal type allows for easy inspection and maintenance, reducing downtime.

Application

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

In automotive applications, 1990X Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The inch sizing makes it compatible with many North American vehicle models.

For industrial conveyor systems, 1990X Bearing’s open design allows for easy lubrication and maintenance, extending service life. The steel cage adds strength, making it suitable for high-load scenarios.

Where Is 1990X Bearing Used?
You’ll often find 1990X Bearing in mining equipment, where its robust design withstands harsh conditions. The tapered rollers distribute loads evenly, reducing wear over time.

In railway applications, 1990X Bearing supports axle boxes, ensuring smooth operation under heavy loads. Its ABEC-1 rating balances precision and cost-effectiveness for these uses.

Built for Heavy-Duty Use: 1990X Bearing
The 1990X Bearing excels in forestry machinery, handling both radial and thrust loads with ease. Its standard radial clearance offers flexibility for various operational needs.

Steel cages and chrome steel rings make 1990X Bearing a reliable choice for industrial fans and pumps. The temperature range ensures performance in both hot and cold environments.

Automotive vs Aerospace: Applications of 1990X Bearing
In automotive systems, 1990X Bearing is ideal for transmissions, where its dynamic load capacity shines. The inch measurements simplify integration into existing designs.

For aerospace ground equipment, 1990X Bearing provides dependable performance in tow tractors and loaders. Its compliance with RoHS and REACH standards adds an extra layer of reliability.

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