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TS (Single Row Tapered Roller Bearings) (Imperial) 3189-3120

TS (Single Row Tapered Roller Bearings) (Imperial) 3189-3120

The 3189-3120 is a single-row tapered roller bearing with a 1-inch bore and 2.8593-inch outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 21300 lbf radially and 3140 lbf thrust, suitable for moderate-speed applications.

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

This model is interchangeable with Timken bearings, making it a practical choice for replacements. It’s ideal for use in gearboxes, axles, or industrial machinery where combined loads are common.

Weighing 1.4 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s safe for various applications. The ABEC-1 rating ensures reliable performance for general use.

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Product Parameters

  • Part Number 3189-3120
  • Brand TFL
  • Interchangeable Timken
  • Size 1" x 2.8593" x 1.1875"
  • Bore Dia 1"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.8593"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.181"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.1875"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 1.38"
  • Cone Backface Backing Diameter 1.4"
  • Cup Frontface Backing Diameter 2.68"
  • Cup Backface Backing Diameter 2.40"
  • Cage Cone Frontface Clearance 0.06"
  • Cage Cone Backface Clearance 0.03"
  • Effective Center Location -0.4"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 3189
  • Cup Part Number 3120
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 3100
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 21300 lbf
  • Static Radial Load 22800 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 5520 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3140 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 1.400 lb

Features

How Is 3189-3120 Bearing Engineered for Reliability?

3189-3120 Bearing features chrome steel rings and rollers, providing excellent resistance to combined loads.
Its dynamic radial load capacity reaches 21300 lbf, ensuring dependable 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 reliably in diverse conditions.

What Makes 3189-3120 Bearing Suitable for High-Temperature Applications?

3189-3120 Bearing is built with chrome steel components, offering durability in high-temperature environments.
It operates efficiently within a range of -30° to 110°C, maintaining performance under thermal stress.
The open design allows for easy lubrication, ensuring smooth operation even in demanding conditions.
Its standard radial clearance options provide flexibility for different application needs.

Designed for Durability: 3189-3120 Bearing

3189-3120 Bearing’s single-row tapered roller design ensures robust performance under combined loads.
The chrome steel construction enhances wear resistance, prolonging the bearing’s service life.
With a static radial load capacity of 22800 lbf, it handles heavy-duty applications with ease.
Its ABEC-1 rating guarantees consistent precision and reliability.

Application

Industrial Uses of 3189-3120 Bearing
The 3189-3120 Bearing is widely used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

Where Is 3189-3120 Bearing Used?
You’ll often find 3189-3120 Bearing in automotive applications like wheel hubs and differential systems, thanks to its ability to manage both radial and thrust loads. The inch sizing makes it a common choice for American-made vehicles.

Built for Heavy-Duty Use: 3189-3120 Bearing
This 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 3189-3120 Bearing
In automotive settings, 3189-3120 Bearing supports high-load components like axles, while in aerospace, its precision fits auxiliary systems. The ABEC-1 rating ensures consistent performance across different industries.

Perfect Fit for Automation: 3189-3120 Bearing
For robotic arms and automated assembly lines, 3189-3120 Bearing offers smooth movement under varying loads. Its standard radial clearance makes it adaptable to different precision requirements.

Q&A

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