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

The 28678-28622A is a single-row tapered roller bearing with a 2″ bore and 3.8437″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 27700 lbf radially and 4950 lbf thrust, suitable for demanding applications.

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

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

Weighing 1.8 lb, it balances strength and manageability. 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 28678-28622A
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 0.130"
Cone Frontface Backing Diameter 2.28"
Cone Backface Backing Diameter 2.56"
Cup Frontface Backing Diameter 3.66"
Cup Backface Backing Diameter 3.39"
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 28622A
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

Performance Features of 28678-28622A Bearing

28678-28622A Bearing is crafted from chrome steel, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 27,700 lbf, making it suitable for heavy-duty applications.

The tapered roller design ensures smooth operation and efficient load distribution.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

The steel cage maintains roller alignment, reducing wear and extending service life.
Standard radial clearance options provide flexibility for different operational needs.

Why Choose 28678-28622A Bearing for Precision Tasks?

28678-28622A Bearing’s single-row tapered roller design delivers precise performance under combined loads.
Its ABEC-1 rating ensures consistent quality for applications requiring reliable accuracy.

The chrome steel construction enhances durability, even in demanding conditions.
With a static radial load capacity of 32,000 lbf, it handles heavy loads effortlessly.

Designed for Durability: 28678-28622A Bearing

28678-28622A Bearing’s chrome steel rollers and rings provide long-lasting wear resistance.
The steel cage ensures stable roller movement, minimising friction and noise.

Its effective centre location of -0.13″ optimises load distribution for extended fatigue life.
Operating within a broad temperature range, it remains reliable in diverse settings.

Steel vs Ceramic Bearings: Strengths of 28678-28622A Bearing

28678-28622A Bearing’s chrome steel construction offers robust strength for heavy loads.
Unlike ceramic options, it provides cost-effective durability without compromising performance.

The tapered roller design ensures efficient load handling in combined load scenarios.
With a dynamic thrust rating of 4,950 lbf, it excels in applications requiring thrust resistance.

Application

Industrial Uses of 28678-28622A Bearing
28678-28622A 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 in tough working conditions.

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

For industrial conveyors, 28678-28622A Bearing’s open design allows for easy lubrication, extending service life in high-load scenarios. The steel cage adds extra strength, making it suitable for continuous operation.

What Makes 28678-28622A Bearing a Preferred Choice?
28678-28622A Bearing stands out in agricultural machinery due to its ability to manage both radial and thrust loads. The standard radial clearance ensures smooth operation even in dusty environments.

In mining equipment, 28678-28622A Bearing’s robust design handles extreme loads without compromising performance. The ABEC-1 rating provides a balance of precision and affordability for industrial applications.

Built for Heavy-Duty Use: 28678-28622A Bearing
28678-28622A Bearing is ideal for forklifts, where its tapered rollers distribute loads evenly. The inch measurements make it compatible with a wide range of older machinery still in use.

For railway applications, 28678-28622A Bearing’s durability ensures reliable performance under constant vibration. The chrome steel rollers resist wear, reducing maintenance needs over time.

Light-Duty vs Heavy-Duty: Best Uses for 28678-28622A Bearing
In light-duty applications like small pumps, 28678-28622A Bearing offers sufficient load capacity with minimal maintenance. Its standard radial clearance adapts well to varying operational conditions.

For heavy-duty uses such as oil rigs, 28678-28622A Bearing’s high dynamic load rating ensures longevity. The steel cage provides additional stability in harsh environments.