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TS (Single Row Tapered Roller Bearings) (Imperial) 18790-18720

TS (Single Row Tapered Roller Bearings) (Imperial) 18790-18720

The 18790-18720 is a single-row tapered roller bearing with a 2-inch bore and 3.3465-inch outer diameter, crafted from durable chrome steel. It handles combined loads up to 12300 lbf radially and 2210 lbf thrust, making it versatile for various applications.

Its open design allows easy lubrication, while the steel cage ensures reliable performance. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

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

Weighing just 0.8 lb, it’s lightweight yet robust for its size. Compliant with RoHS and REACH standards, it’s a safe and reliable choice.

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Product Parameters

  • Part Number 18790-18720
  • Brand TFL
  • Interchangeable Timken
  • Size 2" x 3.3465" x 0.6875"
  • Bore Dia 2"
  • 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 0.14"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 2.2"
  • Cone Backface Backing Diameter 2.44"
  • 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 18790
  • 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 0.8 lb

Features

Performance Features of 18790-18720 Bearing

18790-18720 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 12,300 lbf, ensuring reliable performance in various applications.

The steel cage maintains proper roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in diverse operating conditions.

18790-18720 Bearing’s standard radial clearance allows for smooth operation and easy installation.
Its ABEC-1 rating ensures consistent precision for general industrial use.

Application

Industrial Uses of 18790-18720 Bearing
18790-18720 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 tough working conditions.

In automotive applications, 18790-18720 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it a preferred choice for American-made vehicles.

For industrial conveyor systems, 18790-18720 Bearing’s open design allows for easy lubrication, extending service life in high-load scenarios. The steel cage adds stability during continuous operation.

What Makes 18790-18720 Bearing a Preferred Choice?
18790-18720 Bearing stands out in agricultural machinery due to its ability to withstand dirt and debris while maintaining smooth operation. The standard radial clearance offers flexibility in various setups.

In mining equipment, 18790-18720 Bearing’s robust design handles extreme loads and vibrations. Its compatibility with Timken models makes replacement straightforward for maintenance teams.

Built for Heavy-Duty Use: 18790-18720 Bearing
18790-18720 Bearing excels in forestry machinery, where its tapered rollers manage uneven loads from cutting and lifting operations. The ABEC-1 rating ensures consistent performance.

For railway applications, 18790-18720 Bearing’s temperature tolerance makes it suitable for both hot and cold environments. The steel cage prevents deformation under heavy stress.

Automotive vs Aerospace: Applications of 18790-18720 Bearing
In automotive drivetrains, 18790-18720 Bearing supports high-torque demands, while its inch sizing simplifies integration. The open seal design allows for custom lubrication.

For aerospace ground equipment, 18790-18720 Bearing’s chrome steel rollers provide precision in loading systems. Its weight-to-load ratio balances performance and efficiency.

Q&A

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