TS (Single Row Tapered Roller Bearings) (Imperial) 661-653

The 661-653 is a single-row tapered roller bearing with a 3.125″ bore and 5.75″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 55500 lbf radially and 10100 lbf thrust, suitable for heavy-duty use.

Its open design allows for 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, making it a practical choice for replacements. Ideal for applications like truck axles or industrial gearboxes where combined loads are common.

Weighing 6.3 lb, it’s robust yet manageable 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 661-653
Brand TFL
Interchangeable Timken
Size 3.125" x 5.75" x 1.625"
Bore Dia 3.125"
Bore Dia Tolerance +0.001" to 0
Outer Dia 5.75"
Outer Dia Tolerance +0.001" to 0
Cone Width 1.625"
Cone Width Tolerance +0.003" to -0.01
Cup Width 1.25"
Cup Width Tolerance +0.002" to -0.01
Width 1.625"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.14"
Cup Backface ToClear Radius 0.130"
Cone Frontface Backing Diameter 4.32"
Cone Backface Backing Diameter 3.78"
Cup Frontface Backing Diameter 5.51"
Cup Backface Backing Diameter 5.16"
Cage Cone Frontface Clearance 0.1"
Cage Cone Backface Clearance 0.17"
Effective Center Location -0.31"
System of Measurement Inch
Type Bearing
Cone Part Number 661
Cup Part Number 653
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 655
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 55500 lbf
Static Radial Load 75300 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 14400 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 10100 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 6.3 lb

Features

Performance Features of 661-653 Bearing

661-653 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 55,500 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Does 661-653 Bearing Reduce Friction?

661-653 Bearing’s tapered roller design minimises friction, ensuring smooth operation under combined loads.
The chrome steel construction provides excellent wear resistance, extending the bearing’s service life.
Proper lubrication further reduces friction, maintaining efficiency over time.
Its standard radial clearance allows for optimal performance in diverse applications.

Designed for Durability: 661-653 Bearing

661-653 Bearing features a robust single-row construction, ideal for handling high radial and thrust loads.
The chrome steel components resist wear, ensuring long-lasting performance in demanding environments.
With a static radial load capacity of 75,300 lbf, it offers reliable support for heavy machinery.
Its open design simplifies maintenance, reducing downtime and operational costs.

Application

Industrial Uses of 661-653 Bearing
The 661-653 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in tough working conditions.

Where Is 661-653 Bearing Used?
You’ll often find the 661-653 Bearing in automotive axles and wheel hubs, where its high dynamic radial load capacity keeps things running smoothly. The inch sizing makes it a good fit for many North American vehicle models.

Built for Heavy-Duty Use: 661-653 Bearing
The 661-653 Bearing excels in industrial fans and pumps, thanks to its ability to manage both radial and thrust loads. Its open design allows for easy lubrication, extending service life in demanding environments.

Automotive vs Aerospace: Applications of 661-653 Bearing
In automotive settings, the 661-653 Bearing supports drivetrain components, while in aerospace, it’s used in auxiliary systems where reliability is key. The standard radial clearance offers flexibility across different applications.

Essential Roles of 661-653 Bearing
The 661-653 Bearing is a go-to for mining equipment, where its robust design handles high loads and harsh conditions. The steel cage adds extra strength, making it a dependable choice for long-term use.