TS (Single Row Tapered Roller Bearings) (Imperial) 28678-28622

The 28678-28622 is a single-row tapered roller bearing with a 2″ bore and 3.8437″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 27700 lbf radially and 4950 lbf thrust, making it versatile for various applications.

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

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

Weighing 1.8 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Description

Features

Application

Q&A

Product Parameters

Part Number 28678-28622
Brand TFL
Interchangeable Timken
Size 2" x 3.8437" x 0.9688"
Bore Dia 2"
Bore Dia Tolerance +0.005" to 0
Outer Dia 3.8437"
Outer Dia Tolerance +0.001" to 0
Cone Width 0.9688"
Cone Width Tolerance +0.003" to -0.01
Cup Width 0.7656"
Cup Width Tolerance +0.002" to -0.01
Width 0.9688"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.14"
Cup Backface ToClear Radius 0.03"
Cone Frontface Backing Diameter 2.28"
Cone Backface Backing Diameter 2.56"
Cup Frontface Backing Diameter 3.66"
Cup Backface Backing Diameter 3.46"
Cage Cone Frontface Clearance 0.1"
Cage Cone Backface Clearance 0.04"
Effective Center Location -0.13"
System of Measurement Inch
Type Bearing
Cone Part Number 28678
Cup Part Number 28622
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 28600
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 27700 lbf
Static Radial Load 32000 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 7180 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4950 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 1.8 lb

Features

How Is 28678-28622 Bearing Engineered for Reliability?

28678-28622 Bearing features chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity reaches 27,700 lbf, making it suitable for heavy-duty applications.

The tapered roller design distributes loads evenly, reducing stress and extending service life.
With a standard radial clearance, it offers reliable performance in various operating conditions.

28678-28622 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, ensuring smooth operation and reduced wear.

The open design simplifies lubrication, keeping maintenance straightforward.
This bearing is interchangeable with Timken models, providing flexibility in replacements.

Application

Industrial Uses of 28678-28622 Bearing
28678-28622 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in tough working conditions.

In automotive applications, 28678-28622 Bearing fits well in wheel hubs and differential systems, providing reliable performance under both radial and thrust loads. Its imperial sizing makes it a straightforward choice for North American vehicle models.

For industrial conveyor systems, 28678-28622 Bearing’s open design simplifies lubrication and maintenance, keeping operations smooth. The standard radial clearance offers flexibility for various load and speed requirements.

Where Is 28678-28622 Bearing Used?
You’ll often find 28678-28622 Bearing in mining equipment, where its robust build stands up to harsh environments. The steel cage adds extra strength, making it a dependable option for high-load scenarios.

In manufacturing plants, 28678-28622 Bearing supports machinery like presses and rollers, ensuring precise movement. Its ABEC-1 rating balances performance and cost for general industrial use.

Built for Heavy-Duty Use: 28678-28622 Bearing
28678-28622 Bearing excels in applications like gearboxes and drivetrains, where combined loads are common. The tapered rollers distribute stress evenly, extending service life.

Its compatibility with Timken models makes 28678-28622 Bearing a versatile replacement option. The inch measurements ensure easy integration into existing systems without conversion hassles.

Automotive vs Aerospace: Applications of 28678-28622 Bearing
In automotive settings, 28678-28622 Bearing handles the demands of wheel assemblies and transmissions with ease. The dynamic load capacity ensures longevity even under constant stress.

While not typically used in aerospace, 28678-28622 Bearing’s precision makes it suitable for ground support equipment. Its temperature range covers most operational environments without issue.