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TS (Single Row Tapered Roller Bearings) (Imperial) 661-652

TS (Single Row Tapered Roller Bearings) (Imperial) 661-652

The 661-652 is a single-row tapered roller bearing with a 3.125″ bore and 6″ outer diameter, crafted from robust chrome steel. It handles combined loads up to 55500 lbf radially and 10100 lbf thrust, making it versatile for various applications.

Its open design allows for 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 industrial machinery or automotive systems where combined loads are common.

Weighing 7.1 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for diverse environments.

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Product Parameters

  • Part Number 661-652
  • Brand TFL
  • Interchangeable Timken
  • Size 3.125" x 6" x 1.625"
  • Bore Dia 3.125"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 6"
  • 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 5.57"
  • Cup Backface Backing Diameter 5.28"
  • 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 652
  • 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 7.100 lb

Features

Performance Features of 661-652 Bearing

661-652 Bearing is constructed with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 55,500 lbf, ensuring reliable performance in 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 well in various environmental conditions.

How Is 661-652 Bearing Engineered for Reliability?

661-652 Bearing features a single-row tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction enhances durability, while the standard radial clearance allows for smooth operation.
Its effective center location of -0.31″ ensures precise alignment in machinery.
This design makes it suitable for applications requiring consistent performance under stress.

Built for Durability: 661-652 Bearing

661-652 Bearing’s robust chrome steel rollers and rings provide excellent wear resistance.
The steel cage design minimises roller contact, reducing wear and extending service life.
With a static radial load capacity of 75,300 lbf, it handles demanding conditions effortlessly.
Its ABEC-1 rating ensures reliable precision for industrial applications.

Steel vs Ceramic Bearings: Strengths of 661-652 Bearing

661-652 Bearing uses chrome steel for both rollers and rings, offering a balance of strength and affordability.
The material choice ensures good resistance to wear and fatigue, even under heavy loads.
Unlike ceramic bearings, it provides a cost-effective solution without compromising on durability.
Its standard lubrication requirement simplifies maintenance while ensuring smooth operation.

Why Choose 661-652 Bearing for Precision Tasks?

661-652 Bearing’s tapered roller design ensures accurate load distribution and reduced friction.
The precise tolerances, such as bore dia tolerance of +0.001″ to 0, enhance its reliability.
With a dynamic thrust rating of 10,100 lbf, it performs well in precision applications.
Its compatibility with Timken bearings makes it a versatile choice for various machinery.

Application

Industrial Uses of 661-652 Bearing
The 661-652 Bearing is commonly used in heavy machinery, such as construction equipment and mining gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in tough environments.

In automotive applications, 661-652 Bearing fits well in truck wheel hubs and differential systems, providing reliable performance under high stress. The imperial sizing makes it a straightforward replacement for many North American vehicle models.

For industrial automation, 661-652 Bearing supports conveyor systems and robotic arms, where its open design allows for easy lubrication. The steel cage adds stability during high-speed operations.

Where Is 661-652 Bearing Used?
You’ll often find 661-652 Bearing in agricultural machinery, like tractors and harvesters, where its robust build handles dirt and debris. The tapered rollers manage both radial and thrust loads smoothly.

In manufacturing plants, 661-652 Bearing is a go-to for gearboxes and pulleys, thanks to its ABEC-1 precision. The standard radial clearance ensures consistent performance without frequent adjustments.

Built for Heavy-Duty Use: 661-652 Bearing
661-652 Bearing excels in forestry equipment, such as log splitters and sawmills, where its high static radial load capacity is crucial. The chrome steel rollers resist wear even under constant strain.

For railway applications, 661-652 Bearing supports axle boxes, ensuring smooth rides over long distances. Its temperature range (-30° to 110°C) makes it suitable for varying climates.

Automotive vs Aerospace: Applications of 661-652 Bearing
In automotive settings, 661-652 Bearing is ideal for heavy-duty trucks, handling rough terrains with ease. Its dynamic thrust rating ensures longevity in demanding conditions.

For aerospace ground equipment, 661-652 Bearing works well in cargo loaders and tow tractors. The steel cage and chrome steel rollers provide reliability without excessive maintenance.

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