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TS (Single Row Tapered Roller Bearings) (Imperial) 66584-66520

TS (Single Row Tapered Roller Bearings) (Imperial) 66584-66520

The 66584-66520 is a single-row tapered roller bearing with a 2.125″ bore and 4.8125″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 41200 lbf radial and 12200 lbf thrust, making it versatile for various applications.

Its open design allows for 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 heavy-duty machinery, gearboxes, or industrial equipment where combined loads are common.

Weighing 3.9 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 66584-66520
  • Brand TFL
  • Interchangeable Timken
  • Size 2.125" x 4.8125" x 1.3125"
  • Bore Dia 2.125"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.8125"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.25"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.3125"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.68"
  • Cone Backface Backing Diameter 2.95"
  • Cup Frontface Backing Diameter 4.60"
  • Cup Backface Backing Diameter 4.13"
  • Cage Cone Frontface Clearance 0.11"
  • Cage Cone Backface Clearance 0.18"
  • Effective Center Location 0.08"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 66584
  • Cup Part Number 66520
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 66500
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 41200 lbf
  • Static Radial Load 39900 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 10700 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 12200 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 3.9 lb

Features

How Does 66584-66520 Bearing Handle Combined Loads?

66584-66520 Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 41,200 lbf, making it suitable for heavy-duty applications.

The steel cage ensures proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

The tapered roller design provides efficient load distribution, enhancing durability and performance.

Application

Industrial Uses of 66584-66520 Bearing
This 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.

Where Is 66584-66520 Bearing Used?
You’ll often find it in agricultural machinery, such as tractor transmissions, where its robust design supports high loads. The inch sizing makes it a good fit for North American equipment standards.

Built for Heavy-Duty Use: 66584-66520 Bearing
It’s a reliable choice for industrial gearboxes, thanks to its open design and steel cage. The standard radial clearance allows for smooth operation under varying load conditions.

Automotive vs Aerospace: Applications of 66584-66520 Bearing
In automotive applications, it supports wheel hubs and differentials, while in aerospace, it’s used in auxiliary systems. The ABEC-1 rating ensures consistent performance in both fields.

Practical Applications of 66584-66520 Bearing
For conveyor systems in mining, this bearing’s dynamic load capacity keeps operations running smoothly. Its temperature range also makes it suitable for outdoor use in varying climates.

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