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TS (Single Row Tapered Roller Bearings) (Imperial) 22778-22720

TS (Single Row Tapered Roller Bearings) (Imperial) 22778-22720

The 22778-22720 is a single-row tapered roller bearing with a 1.625″ bore and 3.25″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 20900 lbf radially and 3730 lbf thrust, making it versatile for various applications.

Its open design allows easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for demanding environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for use in automotive or industrial machinery where combined loads are common.

Weighing 1.400 lb, it balances strength and manageability. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 22778-22720
  • Brand TFL
  • Interchangeable Timken
  • Size 1.625" x 3.25" x 1.0313"
  • Bore Dia 1.625"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.25"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.0625"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.8125"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.0313"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 1.93"
  • Cone Backface Backing Diameter 2.17"
  • Cup Frontface Backing Diameter 3.05"
  • Cup Backface Backing Diameter 2.8"
  • Cage Cone Frontface Clearance 0.08"
  • Cage Cone Backface Clearance 0.04"
  • Effective Center Location -0.25"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 22778
  • Cup Part Number 22720
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 22700
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 20900 lbf
  • Static Radial Load 25800 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 5420 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3730 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 1.400 lb

Features

Performance Features of 22778-22720 Bearing

22778-22720 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 20900 lbf, ensuring reliable performance in various 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 diverse conditions.

How Is 22778-22720 Bearing Engineered for Reliability?

22778-22720 Bearing features a single-row tapered roller design, ideal for handling combined loads efficiently.
The chrome steel construction enhances durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 3730 lbf makes it suitable for demanding environments.
The bearing requires lubrication, which helps maintain performance over time.

Built for Durability: 22778-22720 Bearing

22778-22720 Bearing’s chrome steel components provide excellent wear resistance, even under heavy loads.
The tapered roller design distributes stress evenly, reducing the risk of premature failure.
With a static radial load capacity of 25800 lbf, it ensures long-term reliability.
The open seal type allows for easy maintenance and lubrication.

Steel vs Ceramic Bearings: Strengths of 22778-22720 Bearing

22778-22720 Bearing uses chrome steel for both rings and rollers, offering a balance of strength and affordability.
The steel cage ensures proper roller alignment, enhancing performance and longevity.
Its ABEC-1 rating indicates consistent precision, suitable for many industrial applications.
The bearing’s standard radial clearance provides flexibility in various operating conditions.

Application

Common Applications of 22778-22720 Bearing
22778-22720 Bearing is widely used in industrial machinery, especially in gearboxes and heavy-duty equipment where combined radial and thrust loads are common. Its tapered roller design ensures smooth operation even under demanding conditions.

In automotive applications, 22778-22720 Bearing can be found in wheel hubs and differential systems, providing reliable performance. The chrome steel construction enhances durability, making it suitable for long-term use.

For construction equipment, 22778-22720 Bearing handles high loads in excavators and cranes. The open design allows for easy lubrication, ensuring consistent performance in tough environments.

Where Is 22778-22720 Bearing Used?
22778-22720 Bearing is often seen in agricultural machinery, such as tractors and harvesters, where it supports heavy loads. Its robust design makes it ideal for dusty and high-vibration environments.

In mining equipment, 22778-22720 Bearing plays a key role in conveyor systems and crushers. The tapered rollers help distribute loads evenly, reducing wear and tear.

Built for Heavy-Duty Use: 22778-22720 Bearing
22778-22720 Bearing excels in railway applications, particularly in axle boxes where combined loads are frequent. The steel cage ensures stability even at high speeds.

For marine applications, 22778-22720 Bearing withstands harsh conditions in propulsion systems. Its corrosion-resistant materials make it a reliable choice for saltwater environments.

Automotive vs Aerospace: Applications of 22778-22720 Bearing
In automotive settings, 22778-22720 Bearing is commonly used in drivetrains, offering smooth performance. The inch sizing makes it compatible with many American-made vehicles.

For aerospace, 22778-22720 Bearing is less common but can be found in ground support equipment. Its precision and durability meet the high standards required in this industry.

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