TS (Single Row Tapered Roller Bearings) (Imperial) 2788A-2731

The 2788A-2731 is a single-row tapered roller bearing with a 1.5″ bore and 3.125″ outer diameter, crafted from sturdy 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 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, offering a reliable replacement option. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing just 1.2lb, it’s lightweight yet robust for its size. Compliant with RoHS and REACH standards for safe use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 2788A-2731
Brand TFL
Interchangeable Timken
Size 1.5" x 3.125" x 0.9361"
Bore Dia 1.5"
Bore Dia Tolerance +0.005" to 0
Outer Dia 3.125"
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 1.71"
Cone Backface Backing Diameter 1.81"
Cup Frontface Backing Diameter 2.87"
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 2731
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 1.2 lb

Features

Performance Features of 2788A-2731 Bearing

2788A-2731 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 19,500 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 2788A-2731 Bearing Engineered for Reliability?

2788A-2731 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 2,630 lbf allows for efficient performance in demanding setups.
The bearing requires lubrication, ensuring long-term reliability and reduced wear.

Built for Durability: 2788A-2731 Bearing

2788A-2731 Bearing’s tapered roller design enhances load distribution, minimising stress on components.
The steel cage maintains roller positioning, contributing to consistent performance under heavy loads.
With a static radial load capacity of 23,000 lbf, it excels in high-stress environments.
Its ABEC-1 rating ensures precision, making it a dependable choice for various applications.

Application

Industrial Uses of 2788A-2731 Bearing
The 2788A-2731 Bearing is a reliable choice for heavy machinery, especially in construction equipment where combined loads are common. Its tapered roller design handles both radial and thrust forces efficiently.

In automotive applications, 2788A-2731 Bearing works well in wheel hubs and differential systems, thanks to its durable chrome steel construction. The imperial sizing makes it a straightforward fit for many North American vehicles.

For industrial fans and pumps, 2788A-2731 Bearing offers smooth operation even under continuous use. The open design allows for easy lubrication, extending its service life in demanding environments.