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TS (Single Row Tapered Roller Bearings) (Imperial) 22778-22721

TS (Single Row Tapered Roller Bearings) (Imperial) 22778-22721

The 22778-22721 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 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 1.400 lb, it’s robust 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 22778-22721
  • 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 0.03"
  • Cone Frontface Backing Diameter 1.93"
  • Cone Backface Backing Diameter 2.17"
  • Cup Frontface Backing Diameter 3.05"
  • Cup Backface Backing Diameter 2.87"
  • 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 22721
  • 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

How Is 22778-22721 Bearing Engineered for Reliability?

22778-22721 Bearing features chrome steel rings and rollers, designed to handle combined loads with ease.
Its dynamic radial load capacity of 20900 lbf ensures robust performance in various applications.
The single row tapered roller design provides stability and reduces friction during operation.
With a temperature range of -30° to 110°C, it performs reliably in diverse environments.

Why Choose 22778-22721 Bearing for Precision Tasks?

22778-22721 Bearing’s precise cone and cup dimensions ensure accurate alignment and smooth operation.
The standard radial clearance option allows for flexibility in different operational conditions.
Its ABEC-1 rating guarantees consistent performance for precision tasks.
The steel cage maintains roller alignment, enhancing durability and reducing wear.

Built for Durability: 22778-22721 Bearing

22778-22721 Bearing is constructed with high-quality chrome steel for long-lasting performance.
It can withstand static radial loads up to 25800 lbf, making it suitable for heavy-duty applications.
The open design simplifies lubrication, ensuring proper maintenance and extended service life.
With its tapered roller design, it efficiently manages both radial and thrust loads.

Application

Industrial Uses of 22778-22721 Bearing
22778-22721 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability in demanding environments.

In automotive applications, 22778-22721 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a straightforward replacement for many North American vehicle models.

For industrial conveyor systems, 22778-22721 Bearing offers smooth operation thanks to its standard radial clearance and steel cage. The open design allows for easy lubrication, extending service life in high-use scenarios.

What Makes 22778-22721 Bearing a Preferred Choice?
22778-22721 Bearing stands out in agricultural machinery due to its ability to withstand heavy loads and harsh conditions. The tapered rollers distribute stress evenly, reducing wear over time.

In mining equipment, 22778-22721 Bearing’s robust construction ensures reliability in high-vibration environments. The ABEC-1 rating provides a balance of precision and cost-effectiveness for these applications.

Built for Heavy-Duty Use: 22778-22721 Bearing
22778-22721 Bearing excels in forestry machinery, where its combined load capacity handles the unpredictable stresses of logging operations. The steel cage adds extra resilience against impact loads.

For railway applications, 22778-22721 Bearing’s temperature range (-30° to 110°C) ensures consistent performance in varying climates. Its compatibility with Timken designs simplifies maintenance and replacements.

Automotive vs Aerospace: Applications of 22778-22721 Bearing
In automotive drivetrains, 22778-22721 Bearing provides reliable support for axles and transmissions. The inch measurements align perfectly with many US-made vehicle specifications.

For aerospace ground equipment, 22778-22721 Bearing’s static radial load capacity (25800 lbf) makes it suitable for aircraft tow tractors and loading platforms. The chrome steel rollers handle frequent start-stop cycles with ease.

Q&A

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