TS (Single Row Tapered Roller Bearings) (Imperial) 66187-66461

The 66187-66461 is a single-row tapered roller bearing with a 1.875″ bore and 4.625″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 39700 lbf radially and 11000 lbf in thrust, making it versatile 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, offering a reliable replacement option. It’s well-suited for applications like truck axles or industrial gearboxes where combined loads are common.

Weighing 3.8 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 66187-66461
Brand TFL
Interchangeable Timken
Size 1.875" x 4.625" x 1.3125"
Bore Dia 1.875"
Bore Dia Tolerance +0.005" to 0
Outer Dia 4.625"
Outer Dia Tolerance +0.001" to 0
Cone Width 1.25"
Cone Width Tolerance +0.003" to -0.01
Cup Width 0.9375"
Cup Width Tolerance +0.002" to -0.01
Width 1.3125"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.14"
Cup Backface ToClear Radius 0.03"
Cone Frontface Backing Diameter 2.44"
Cone Backface Backing Diameter 2.72"
Cup Frontface Backing Diameter 4.41"
Cup Backface Backing Diameter 4.02"
Cage Cone Frontface Clearance 0.11"
Cage Cone Backface Clearance 0.17"
Effective Center Location -0.01"
System of Measurement Inch
Type Bearing
Cone Part Number 66187
Cup Part Number 66461
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 66000
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 39700 lbf
Static Radial Load 37300 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 10300 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 11000 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 3.8 lb

Features

Performance Features of 66187-66461 Bearing

66187-66461 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 39,700 lbf, ensuring reliable performance in heavy-duty applications.

The single-row tapered design enhances stability and load distribution, reducing wear over time.
With a standard radial clearance, it provides flexibility for various operational needs.

66187-66461 Bearing operates efficiently within a temperature range of -30° to 110°C.
The steel cage maintains roller alignment, contributing to smooth and consistent performance.

This bearing requires lubrication, ensuring long service life and reduced maintenance.
Its ABEC-1 rating guarantees dependable precision for industrial applications.

Application

Industrial Uses of 66187-66461 Bearing
66187-66461 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in tough working conditions.

Where Is 66187-66461 Bearing Used?
You’ll find 66187-66461 Bearing in automotive applications such as wheel hubs and differential systems, thanks to its reliable performance under radial and thrust loads. Its imperial sizing makes it a good fit for North American vehicle designs.

Built for Heavy-Duty Use: 66187-66461 Bearing
66187-66461 Bearing excels in industrial fans and pumps, where its open design allows for easy lubrication and maintenance. The steel cage adds stability, making it suitable for high-load scenarios.

Automotive vs Aerospace: Applications of 66187-66461 Bearing
In automotive systems, 66187-66461 Bearing supports drivetrain components, while in aerospace, it’s used in auxiliary equipment due to its precise load handling. The temperature range ensures performance in varied environments.

Key Fields for 66187-66461 Bearing
66187-66461 Bearing is ideal for conveyor systems and material handling equipment, where its tapered rollers manage heavy loads smoothly. The ABEC-1 rating balances precision and cost-effectiveness for industrial use.