TS (Single Row Tapered Roller Bearings) (Imperial) 578-574

The 578-574 is a single-row tapered roller bearing with a 3.149″ bore and 5.5115″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 46500 lbf radially and 8330 lbf thrust, making it versatile for heavy-duty use.

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, suitable for various industrial conditions.

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

Weighing 4.9 lb, it’s robust 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 578-574
Brand TFL
Interchangeable Timken
Size 3.149" x 5.5115" x 1.4375"
Bore Dia 3.149"
Bore Dia Tolerance +0.001" to 0
Outer Dia 5.5115"
Outer Dia Tolerance +0.001" to 0
Cone Width 1.4212"
Cone Width Tolerance +0.003" to -0.01
Cup Width 1.125"
Cup Width Tolerance +0.002" to -0.01
Width 1.4375"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.14"
Cup Backface ToClear Radius 0.02"
Cone Frontface Backing Diameter 4.29"
Cone Backface Backing Diameter 3.74"
Cup Frontface Backing Diameter 5.25"
Cup Backface Backing Diameter 5.04"
Cage Cone Frontface Clearance 0.1"
Cage Cone Backface Clearance 0.12"
Effective Center Location -0.21"
System of Measurement Inch
Type Bearing
Cone Part Number 578
Cup Part Number 574
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 575
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 46500 lbf
Static Radial Load 65400 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 12100 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 8330 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 4.900 lb

Features

How Is 578-574 Bearing Engineered for Reliability?

578-574 Bearing features chrome steel rings and rollers, providing strong resistance to combined loads.
Its dynamic radial load capacity reaches 46,500 lbf, ensuring dependable performance in tough conditions.
The steel cage maintains proper 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 578-574 Bearing Suitable for High-Temperature Applications?

578-574 Bearing withstands temperatures up to 110°C, making it ideal for demanding industrial settings.
The chrome steel construction ensures durability and resistance to wear under heavy loads.
Its standard radial clearance allows for smooth operation even in high-heat conditions.
This bearing is designed to maintain performance without compromising reliability.

Designed for Durability: 578-574 Bearing

578-574 Bearing is built with high-quality chrome steel for long-lasting performance.
Its tapered roller design efficiently handles both radial and thrust loads.
The steel cage ensures proper roller spacing, reducing wear and noise.
With a static radial load capacity of 65,400 lbf, it excels in heavy-duty applications.

Steel vs Ceramic Bearings: Strengths of 578-574 Bearing

578-574 Bearing uses chrome steel for its rollers and rings, offering excellent strength and durability.
This material choice provides better load capacity compared to ceramic alternatives in many applications.
The steel construction ensures reliable performance under high stress and temperature variations.
It’s a cost-effective solution for industrial machinery requiring robust bearing performance.

Application

Industrial Uses of 578-574 Bearing
The 578-574 Bearing is widely used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined radial and thrust loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

Where Is 578-574 Bearing Used?
You’ll often find 578-574 Bearing in automotive applications like truck wheel hubs, where its robust design supports high loads and speeds. The inch sizing makes it a perfect fit for North American vehicle models.

Built for Heavy-Duty Use: 578-574 Bearing
In industrial settings like conveyor systems, 578-574 Bearing’s open design allows for easy lubrication, extending its service life. The steel cage adds extra strength, making it reliable for continuous operation.

Automotive vs Aerospace: Applications of 578-574 Bearing
While 578-574 Bearing excels in automotive wheel hubs, it’s also suitable for aerospace ground support equipment. Its combined load capacity and temperature range make it versatile across industries.

Perfect Fit for Automation: 578-574 Bearing
In automated production lines, 578-574 Bearing ensures smooth movement in robotic arms and assembly systems. Its standard radial clearance offers consistent performance under varying loads.