TS (Single Row Tapered Roller Bearings) (Imperial) 6455-6420A

TS (Single Row Tapered Roller Bearings) (Imperial) 6455-6420A

The 6455-6420A is a single-row tapered roller bearing with a 2.25″ bore and 5.875″ outer diameter, crafted from robust chrome steel. It handles combined loads up to 92400 lbf radially and 14800 lbf thrust, making it suitable 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 or automotive systems where combined loads are common.

Weighing 11.3 lb, it’s built to last with standard radial clearance options available. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 6455-6420A
  • Brand TFL
  • Interchangeable Timken
  • Size 2.25" x 5.875" x 2.1251"
  • Bore Dia 2.25"
  • 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 0.14"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 2.95"
  • Cone Backface Backing Diameter 3.19"
  • 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 6455
  • 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 11.3 lb

Features

Performance Features of 6455-6420A Bearing

6455-6420A Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 92,400 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, reducing friction and extending operational life.
With a standard radial clearance, it provides reliable performance in various conditions.

How Does 6455-6420A Bearing Resist Wear?

6455-6420A Bearing’s chrome steel construction enhances durability, even under high stress.
The tapered roller design distributes loads evenly, minimising wear over time.
Its effective centre location ensures stable operation, reducing uneven wear.
This design also helps maintain performance across a wide temperature range.

Built for Reliability: 6455-6420A Bearing

6455-6420A Bearing handles both radial and thrust loads efficiently, thanks to its single-row tapered design.
The steel cage maintains roller spacing, preventing slippage and reducing maintenance needs.
With a static radial load capacity of 104,000 lbf, it excels in demanding industrial applications.
Its standard ABEC-1 rating ensures consistent performance for various uses.

Steel vs Ceramic Bearings: Strengths of 6455-6420A Bearing

6455-6420A Bearing’s chrome steel construction provides excellent strength-to-weight ratio.
The material choice ensures good heat dissipation and resistance to deformation under load.
Unlike ceramic options, it offers proven reliability in industrial environments.
Its steel cage further enhances durability while keeping costs reasonable.

Application

Industrial Uses of 6455-6420A Bearing
The 6455-6420A Bearing is commonly used in heavy machinery like construction equipment and mining tools, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 6455-6420A Bearing fits well in wheel hubs and differential systems, providing reliable performance under both radial and thrust loads. The imperial sizing makes it a straightforward replacement for many North American vehicle models.

For industrial conveyors, 6455-6420A Bearing’s open design allows easy lubrication, extending service life in high-load scenarios. The steel cage adds stability, making it suitable for continuous operation.

What Makes 6455-6420A Bearing a Preferred Choice?
The 6455-6420A Bearing stands out in agricultural machinery, such as tractor transmissions, due to its robust construction and standard radial clearance. Its compatibility with Timken models adds to its versatility.

In material handling systems, 6455-6420A Bearing’s high dynamic load capacity ensures smooth operation under constant stress. The inch measurements simplify integration into existing setups without modifications.

Built for Heavy-Duty Use: 6455-6420A Bearing
The 6455-6420A Bearing excels in forestry equipment, where its tapered rollers manage uneven loads from cutting and lifting operations. The ABEC-1 rating balances precision and cost-effectiveness for such applications.

For railway maintenance vehicles, 6455-6420A Bearing’s temperature tolerance (-30° to 110°C) ensures reliability in varying weather conditions. Its weight (11.3 lb) is manageable for field repairs.

Automotive vs Aerospace: Applications of 6455-6420A Bearing
In automotive drivetrains, 6455-6420A Bearing handles the rigorous demands of torque and vibration, thanks to its 104,000 lbf static load capacity. The steel cage prevents deformation under stress.

For ground support equipment in aerospace, 6455-6420A Bearing’s standard lubrication requirement simplifies maintenance routines. Its 90-million-revolution dynamic rating ensures long service intervals.

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