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TS (Single Row Tapered Roller Bearings) (Imperial) 1778-1738X

TS (Single Row Tapered Roller Bearings) (Imperial) 1778-1738X

The 1778-1738X is a single-row tapered roller bearing with a 0.8121″ bore and 2.25″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 10200 lbf and is designed for smooth operation in various conditions.

Its open design allows for easy lubrication, while the steel cage ensures reliable performance. The bearing works well in temperatures ranging from -30°C to 110°C, making it suitable for diverse environments.

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for applications like automotive axles or industrial gearboxes where combined loads are common.

Weighing just 0.600 lb, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it meets essential safety and environmental requirements.

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Product Parameters

  • Part Number 1778-1738X
  • Brand TFL
  • Interchangeable Timken
  • Size 0.8121" x 2.25" x 0.7961"
  • Bore Dia 0.8121"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.25"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.781"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.691"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.7961"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.090"
  • Cone Frontface Backing Diameter 1.02"
  • Cone Backface Backing Diameter 1.06"
  • Cup Frontface Backing Diameter 2.05"
  • Cup Backface Backing Diameter 1.91"
  • Cage Cone Frontface Clearance 0.08"
  • Cage Cone Backface Clearance 0.01"
  • Effective Center Location -0.27"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 1778
  • Cup Part Number 1738X
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 1700
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 10200 lbf
  • Static Radial Load 10200 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 2650 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 1390 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 0.600 lb

Features

Performance Features of 1778-1738X Bearing

1778-1738X Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 10,200 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 environments.

How Is 1778-1738X Bearing Engineered for Reliability?

1778-1738X Bearing features a tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction provides durability, even under heavy use.
Its standard radial clearance ensures smooth operation, suitable for ABEC-1 precision requirements.
The open design allows for easy lubrication, maintaining performance over time.

Built for Durability: 1778-1738X Bearing

1778-1738X Bearing’s single-row construction simplifies installation while maintaining strength.
The precise cone and cup widths ensure proper fit and alignment in machinery.
With a dynamic thrust rating of 1,390 lbf, it handles demanding conditions effectively.
Its steel cage and chrome steel rollers work together to reduce wear and tear.

Steel vs Ceramic Bearings: Strengths of 1778-1738X Bearing

1778-1738X Bearing uses chrome steel for both rollers and rings, balancing cost and performance.
This material choice provides excellent resistance to wear and fatigue.
The bearing’s design allows for effective lubrication, crucial for long-term reliability.
Its imperial measurements make it compatible with a wide range of machinery.

Application

Industrial Uses of 1778-1738X Bearing
1778-1738X 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 even in demanding environments.

In automotive applications, 1778-1738X Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a convenient choice for older or American-made vehicles.

For industrial conveyor systems, 1778-1738X Bearing offers smooth operation thanks to its standard radial clearance. The open design allows for easy lubrication, extending its service life in continuous-use scenarios.

Where Is 1778-1738X Bearing Used?
You’ll often find 1778-1738X Bearing in agricultural machinery, where its robust design handles rough conditions. The steel cage adds extra strength, making it suitable for high-load applications.

In mining equipment, 1778-1738X Bearing’s tapered rollers manage heavy radial and axial loads effortlessly. Its compatibility with Timken models simplifies replacements and maintenance.

Built for Heavy-Duty Use: 1778-1738X Bearing
1778-1738X Bearing excels in forestry equipment, where its combined load capacity and durability are essential. The standard radial clearance ensures consistent performance even under stress.

For gearboxes in industrial settings, 1778-1738X Bearing provides reliable support. Its chrome steel rollers and rings resist wear, reducing downtime for maintenance.

Automotive vs Aerospace: Applications of 1778-1738X Bearing
In automotive systems, 1778-1738X Bearing is ideal for transmissions, handling both speed and load variations. Its ABEC-1 rating ensures sufficient precision for most vehicle needs.

For aerospace ground equipment, 1778-1738X Bearing’s temperature tolerance makes it suitable for auxiliary systems. However, its imperial sizing limits use in metric-dominated aviation components.

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