TS (Single Row Tapered Roller Bearings) (Imperial) 28980-28920

The 28980-28920 is a single-row tapered roller bearing with a 2.36″ bore and 4″ outer diameter, crafted from robust chrome steel. It handles combined loads up to 23800 lbf radially and 4500 lbf thrust, making it versatile for various applications.

Its open design allows easy lubrication, while the steel cage ensures durability under heavy use. 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 machinery like gearboxes or wheel hubs where combined loads are common.

Weighing 1.8 lb, it’s sturdy yet manageable for its size. 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 28980-28920
Brand TFL
Interchangeable Timken
Size 2.3613" x 4" x 1.0001"
Bore Dia 2.3613"
Bore Dia Tolerance +0.005" to 0
Outer Dia 4"
Outer Dia Tolerance +0.001" to 0
Cone Width 1"
Cone Width Tolerance +0.003" to -0.01
Cup Width 0.7813"
Cup Width Tolerance +0.002" to -0.01
Width 1.0001"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.14"
Cup Backface ToClear Radius 0.130"
Cone Frontface Backing Diameter 2.64"
Cone Backface Backing Diameter 2.87"
Cup Frontface Backing Diameter 3.85"
Cup Backface Backing Diameter 3.54"
Cage Cone Frontface Clearance 0.09"
Cage Cone Backface Clearance 0.05"
Effective Center Location -0.1"
System of Measurement Inch
Type Bearing
Cone Part Number 28980
Cup Part Number 28920
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 28900
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 23800 lbf
Static Radial Load 33500 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 6180 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4500 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 28980-28920 Bearing Engineered for Reliability?

28980-28920 Bearing features chrome steel rings and rollers, ensuring durability under combined loads.
Its dynamic radial load capacity reaches 23,800 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 28980-28920 Bearing Suitable for High-Temperature Applications?

28980-28920 Bearing is constructed with chrome steel, which withstands temperatures up to 110°C.
Its robust design ensures stable performance even in demanding thermal environments.
The open seal type allows for effective lubrication, reducing heat buildup.
This makes it a dependable choice for industrial applications requiring high-temperature resistance.

Built for Durability: 28980-28920 Bearing

28980-28920 Bearing’s single-row tapered roller design provides excellent load distribution.
The chrome steel components resist wear, ensuring long service life under heavy loads.
Its standard radial clearance options (C3/C4/C5) offer flexibility for different applications.
With a weight of 1.8 lb, it balances strength and ease of handling.

Application

Industrial Uses of 28980-28920 Bearing
The 28980-28920 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability in tough working conditions.

What Makes 28980-28920 Bearing a Preferred Choice?
In automotive applications, 28980-28920 Bearing fits well in wheel hubs and differential systems, offering reliable performance under radial and thrust loads. The inch sizing makes it compatible with many North American vehicle models.

Built for Heavy-Duty Use: 28980-28920 Bearing
For industrial fans and pumps, 28980-28920 Bearing’s open design allows easy lubrication, extending service life in high-speed operations. The steel cage adds stability, reducing wear over time.

Automotive vs Aerospace: Applications of 28980-28920 Bearing
While 28980-28920 Bearing excels in truck transmissions, its precision also suits aerospace auxiliary systems where consistent load handling is key. The ABEC-1 rating balances performance and cost for diverse needs.