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TS (Single Row Tapered Roller Bearings) (Imperial) 6461A-6420A

TS (Single Row Tapered Roller Bearings) (Imperial) 6461A-6420A

The 6461A-6420A is a single-row tapered roller bearing with a 3″ bore and 5.875″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 92400 lbf radially and 14800 lbf thrust, making it a robust choice for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under high stress. 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 use in industrial machinery, gearboxes, or automotive systems where combined loads are common.

Weighing 9.2 lb, it’s built to last while maintaining performance. Compliant with RoHS and REACH standards for safe and sustainable use.

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Product Parameters

  • Part Number 6461A-6420A
  • Brand TFL
  • Interchangeable Timken
  • Size 3" x 5.875" x 2.1251"
  • Bore Dia 3"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 5.875"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 2.135"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.75"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 2.1251"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.380"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 4.3"
  • Cone Backface Backing Diameter 4.25"
  • Cup Frontface Backing Diameter 5.55"
  • Cup Backface Backing Diameter 5.16"
  • Cage Cone Frontface Clearance 0.06"
  • Cage Cone Backface Clearance 0.09"
  • Effective Center Location -0.59"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 6461A
  • Cup Part Number 6420A
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 6400
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 92400 lbf
  • Static Radial Load 104000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 24000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 14800 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 9.2 lb

Features

How Is 6461A-6420A Bearing Engineered for Reliability?

6461A-6420A Bearing is constructed with chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity reaches 92,400 lbf, making it suitable for heavy-duty applications.
The steel cage maintains roller alignment, reducing friction and wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

What Makes 6461A-6420A Bearing Suitable for High-Temperature Applications?

6461A-6420A Bearing operates efficiently in temperatures from -30° to 110°C, maintaining performance in demanding environments.
The chrome steel construction resists wear and deformation under high thermal stress.
Its standard radial clearance allows for thermal expansion without compromising function.
This design ensures consistent operation even in fluctuating temperatures.

Built for Durability: 6461A-6420A Bearing

6461A-6420A Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel components provide excellent resistance to wear and fatigue.
With a static radial load capacity of 104,000 lbf, it offers long-term reliability.
Its standard ABEC-1 rating ensures consistent precision in industrial applications.

Steel vs Ceramic Bearings: Strengths of 6461A-6420A Bearing

6461A-6420A Bearing uses chrome steel for both rollers and rings, balancing cost and performance.
This material choice provides high load capacity and durability in industrial settings.
The steel cage design ensures proper roller spacing for smooth operation.
Unlike ceramic options, it offers proven reliability in standard operating conditions.

Application

Industrial Uses of 6461A-6420A Bearing
The 6461A-6420A Bearing is commonly used in heavy machinery, such as construction equipment and mining gear, where its tapered roller design handles combined radial and thrust loads effectively. Its chrome steel construction ensures durability in demanding environments.

Where Is 6461A-6420A Bearing Used?
You’ll often find the 6461A-6420A Bearing in agricultural machinery, like tractors and harvesters, where its robust design supports high loads and rough terrain. The inch sizing makes it a fit for many North American equipment standards.

Built for Heavy-Duty Use: 6461A-6420A Bearing
In conveyor systems, the 6461A-6420A Bearing provides reliable performance, thanks to its steel cage and tapered rollers. Its open design allows for easy lubrication, extending service life in continuous operation.

Automotive vs Aerospace: Applications of 6461A-6420A Bearing
In automotive applications, the 6461A-6420A Bearing is ideal for wheel hubs and differentials, offering stability under varying loads. While not typically used in aerospace, its precision suits industrial gearboxes and power transmission systems.

Perfect Fit for Automation: 6461A-6420A Bearing
The 6461A-6420A Bearing works well in automated production lines, where its consistent performance reduces downtime. Its standard radial clearance ensures smooth operation in repetitive motion tasks.

Q&A

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