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TS (Single Row Tapered Roller Bearings) (Imperial) 18780-18720

TS (Single Row Tapered Roller Bearings) (Imperial) 18780-18720

The 18780-18720 is a single-row tapered roller bearing with a 1.8125″ bore and 3.3465″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 12300 lbf radially and 2210 lbf thrust, suitable for moderate-speed 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, making it versatile for various conditions.

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

Weighing just 0.9lb, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 18780-18720
  • Brand TFL
  • Interchangeable Timken
  • Size 1.8125" x 3.3465" x 0.6875"
  • Bore Dia 1.8125"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.3465"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.6875"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.5313"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.6875"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.09"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 2.05"
  • Cone Backface Backing Diameter 2.2"
  • Cup Frontface Backing Diameter 3.18"
  • Cup Backface Backing Diameter 3.03"
  • Cage Cone Frontface Clearance 0.09"
  • Cage Cone Backface Clearance 0.02"
  • Effective Center Location -0.03"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 18780
  • Cup Part Number 18720
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 18700
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 12300 lbf
  • Static Radial Load 15200 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 3190 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 2210 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 0.9 lb

Features

Performance Features of 18780-18720 Bearing

18780-18720 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 12,300 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, reducing friction and enhancing durability.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 18780-18720 Bearing Engineered for Reliability?

18780-18720 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction provides excellent wear resistance, extending its service life.
Its standard radial clearance allows for smooth operation in diverse industrial settings.
The bearing meets ABEC-1 precision standards, ensuring consistent performance.

Designed for Durability: 18780-18720 Bearing

18780-18720 Bearing’s robust construction withstands dynamic radial loads up to 12,300 lbf.
The tapered roller design distributes loads evenly, reducing stress on individual components.
Its chrome steel materials resist wear, maintaining performance over extended periods.
The open design simplifies lubrication, ensuring proper maintenance with minimal effort.

Application

Industrial Uses of 18780-18720 Bearing
18780-18720 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, 18780-18720 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a preferred choice for North American vehicle models.

For industrial conveyor systems, 18780-18720 Bearing offers smooth operation and easy maintenance due to its open design. The standard radial clearance allows for flexibility in different operating conditions.

Where Is 18780-18720 Bearing Used?
18780-18720 Bearing can be found in agricultural machinery, such as tractors and harvesters, where its robust design withstands harsh conditions. The steel cage adds extra strength for long-term use.

In mining equipment, 18780-18720 Bearing supports heavy loads and reduces friction in crushers and screens. Its ABEC-1 rating ensures consistent performance without unnecessary precision costs.

Built for Heavy-Duty Use: 18780-18720 Bearing
18780-18720 Bearing excels in forestry equipment like log splitters, where its tapered rollers manage high radial and axial forces. The inch measurements simplify replacements in older machinery.

For railway applications, 18780-18720 Bearing provides stability in axle boxes, ensuring smooth rides even under heavy loads. The standard radial clearance accommodates thermal expansion during long journeys.

Automotive vs Aerospace: Applications of 18780-18720 Bearing
In automotive systems, 18780-18720 Bearing is ideal for transmissions, offering reliable load distribution. Its chrome steel rollers resist wear from constant gear shifts.

For aerospace ground equipment, 18780-18720 Bearing supports landing gear testing rigs, where precision and durability are key. The open design allows for regular lubrication checks.

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