TS (Single Row Tapered Roller Bearings) (Imperial) 2788A-2729X

The 2788A-2729X is a single-row tapered roller bearing with a 1.5″ bore and 3″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 19500 lbf radially and 2630 lbf thrust, suitable for moderate-speed applications.

Its open design simplifies 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. Ideal for machinery like gearboxes or axles where combined loads are common.

Weighing 1.1 lb, it’s robust yet manageable. Compliant with RoHS and REACH standards for safe use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 2788A-2729X
Brand TFL
Interchangeable Timken
Size 1.5" x 3" x 0.9361"
Bore Dia 1.5"
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 0.06"
Cone Frontface Backing Diameter 1.71"
Cone Backface Backing Diameter 1.81"
Cup Frontface Backing Diameter 2.80"
Cup Backface Backing Diameter 2.64"
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 2788A
Cup Part Number 2729X
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 2788A-2729X Bearing Engineered for Reliability?

2788A-2729X 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 environments.

What Makes 2788A-2729X Bearing Suitable for High-Temperature Applications?

2788A-2729X Bearing operates efficiently in temperatures from -30° to 110°C, maintaining performance in demanding conditions.
The chrome steel construction resists wear, ensuring long-term reliability.
Its standard radial clearance allows for smooth operation even under thermal expansion.
The open design facilitates proper lubrication, further enhancing high-temperature performance.

Built for Durability: 2788A-2729X Bearing

2788A-2729X Bearing is crafted with high-quality chrome steel, providing excellent resistance to wear and fatigue.
Its tapered roller design efficiently handles both radial and thrust loads.
The steel cage ensures proper roller spacing, reducing friction and noise.
With a static radial load capacity of 23,000 lbf, it offers reliable performance in tough conditions.

Steel vs Ceramic Bearings: Strengths of 2788A-2729X Bearing

2788A-2729X Bearing uses chrome steel for both rings and rollers, balancing cost and performance.
This material choice provides excellent durability and load capacity without the brittleness of ceramics.
The steel cage further enhances reliability in high-load applications.
Its ABEC-1 rating ensures consistent precision for most industrial uses.

Application

Industrial Uses of 2788A-2729X Bearing
2788A-2729X Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 2788A-2729X Bearing fits well in wheel hubs and drivetrains, providing reliable performance under varying loads. Its imperial sizing makes it a convenient choice for North American vehicle models.

For industrial conveyor systems, 2788A-2729X Bearing offers smooth operation with its standard radial clearance. The steel cage adds extra strength, making it suitable for continuous use.

Where Is 2788A-2729X Bearing Used?
You’ll often find 2788A-2729X Bearing in agricultural machinery, where its robust design handles dirt and debris well. The open seal type allows for easy lubrication, extending its service life.

In mining equipment, 2788A-2729X Bearing stands up to harsh conditions thanks to its high dynamic load capacity. The tapered rollers distribute stress evenly, reducing wear over time.

Built for Heavy-Duty Use: 2788A-2729X Bearing
2788A-2729X Bearing is ideal for gearboxes in industrial settings, where its combined load capability shines. The ABEC-1 rating ensures consistent performance without unnecessary precision costs.

For power transmission systems, 2788A-2729X Bearing provides reliable support with its static radial load capacity. The chrome steel rollers resist deformation under heavy use.

Automotive vs Aerospace: Applications of 2788A-2729X Bearing
In automotive systems, 2788A-2729X Bearing is often used in differentials, where its tapered rollers manage thrust and radial loads. The inch measurements simplify replacements in older vehicles.

For aerospace ground equipment, 2788A-2729X Bearing handles moderate loads in landing gear mechanisms. Its temperature range suits most operational conditions without special modifications.