TS (Single Row Tapered Roller Bearings) (Imperial) 2789A-2720

The 2789A-2720 is a single-row tapered roller bearing with a 1.5625″ bore and 3″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 19500 lbf radially and 2630 lbf thrust, making it versatile for various applications.

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

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing just 1.1 lb, it balances strength and portability. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 2789A-2720
Brand TFL
Interchangeable Timken
Size 1.5625" x 3" x 0.9361"
Bore Dia 1.5625"
Bore Dia Tolerance +0.005" to 0
Outer Dia 3"
Outer Dia Tolerance +0.001" to 0
Cone Width 1.01"
Cone Width Tolerance +0.003" to -0.01
Cup Width 0.75"
Cup Width Tolerance +0.002" to -0.01
Width 0.9361"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.06"
Cup Backface ToClear Radius 0.130"
Cone Frontface Backing Diameter 1.81"
Cone Backface Backing Diameter 1.95"
Cup Frontface Backing Diameter 2.80"
Cup Backface Backing Diameter 2.60"
Cage Cone Frontface Clearance 0.06"
Cage Cone Backface Clearance 0.04"
Effective Center Location -0.32"
System of Measurement Inch
Type Bearing
Cone Part Number 2789A
Cup Part Number 2720
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 2700
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 19500 lbf
Static Radial Load 23000 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 5060 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 2630 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 1.1 lb

Features

How Is 2789A-2720 Bearing Engineered for Reliability?

2789A-2720 Bearing features chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity reaches 19,500 lbf, making it suitable for 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 reliably in various conditions.

What Makes 2789A-2720 Bearing Suitable for High-Temperature Applications?

2789A-2720 Bearing is built with chrome steel components, capable of withstanding temperatures up to 110°C.
Its robust construction ensures stable performance even in demanding thermal environments.
The open design allows for effective lubrication, preventing overheating during operation.
This bearing is ideal for applications where temperature fluctuations are common.

Designed for Durability: 2789A-2720 Bearing

2789A-2720 Bearing’s single-row tapered roller design provides excellent load distribution and longevity.
The chrome steel rollers and rings resist wear, maintaining performance over extended periods.
Its standard radial clearance options offer flexibility for different installation needs.
With a static radial load capacity of 23,000 lbf, it ensures reliable operation under heavy loads.

Application

Industrial Uses of 2789A-2720 Bearing
2789A-2720 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in tough working conditions.

Where Is 2789A-2720 Bearing Used?
You’ll often find 2789A-2720 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its precise inch sizing makes it a reliable choice for older or custom vehicle models.

Built for Heavy-Duty Use: 2789A-2720 Bearing
2789A-2720 Bearing excels in industrial fans and conveyor systems, thanks to its robust steel cage and open design. The standard radial clearance allows for smooth operation under varying loads.

Automotive vs Aerospace: Applications of 2789A-2720 Bearing
In automotive settings, 2789A-2720 Bearing supports drivetrain components, while in aerospace, it’s suited for auxiliary systems requiring imperial measurements. Its temperature range fits both environments well.

Practical Applications of 2789A-2720 Bearing
2789A-2720 Bearing works well in mining equipment, where its dynamic load capacity handles harsh conditions. The steel cage and chrome rollers ensure long service life with proper lubrication.