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TS (Single Row Tapered Roller Bearings) (Imperial) 66586-66520

TS (Single Row Tapered Roller Bearings) (Imperial) 66586-66520

The 66586-66520 is a single-row tapered roller bearing with a 2.36″ bore and 4.81″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 34,800 lbf radially and 10,300 lbf thrust, making it versatile for heavy-duty use.

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 various industrial conditions.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for applications like truck axles or heavy machinery where combined loads are common.

Weighing 3.6 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

The standard radial clearance can be adjusted to C3, C4, or C5 if needed. Its ABEC-1 rating ensures consistent performance for general industrial use.

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Product Parameters

  • Part Number 66586-66520
  • Brand TFL
  • Interchangeable Timken
  • Size 2.3613" x 4.8125" x 1.3125"
  • Bore Dia 2.3613"
  • 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 0.06"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.87"
  • 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 66586
  • 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 34800 lbf
  • Static Radial Load 39900 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 9010 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 10300 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 3.600 lb

Features

Performance Features of 66586-66520 Bearing

66586-66520 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 34,800 lbf, ensuring reliable performance in demanding applications.
The steel cage maintains roller alignment, reducing wear and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Does 66586-66520 Bearing Reduce Friction?

66586-66520 Bearing’s tapered roller design minimises friction, promoting smooth operation under heavy loads.
The chrome steel construction enhances durability while maintaining efficient performance.
Its standard radial clearance allows for optimal lubrication, further reducing friction.
This design ensures consistent operation even in high-load scenarios.

Engineered for Precision: 66586-66520 Bearing

66586-66520 Bearing features precise dimensions, with a bore diameter tolerance of +0.005″ to 0.
The tapered rollers and chrome steel construction provide accurate load distribution.
Its ABEC-1 rating confirms its suitability for applications requiring reliable precision.
The effective centre location of 0.08″ ensures stable performance.

Built for Reliability: 66586-66520 Bearing

66586-66520 Bearing’s robust design handles dynamic thrust loads up to 10,300 lbf.
The chrome steel rollers and rings resist wear, ensuring long-term reliability.
With a static radial load capacity of 39,900 lbf, it excels in heavy-duty applications.
Its standard lubrication requirement simplifies maintenance while enhancing performance.

Structural Advantages of 66586-66520 Bearing

66586-66520 Bearing’s single-row tapered roller design provides efficient load distribution.
The steel cage ensures proper roller spacing, reducing friction and wear.
Its cone and cup widths are precisely toleranced for consistent fit and performance.
The bearing’s construction allows it to handle both radial and thrust loads effectively.

Application

Industrial Uses of 66586-66520 Bearing
You’ll often spot 66586-66520 Bearing in heavy machinery like construction equipment, where its tapered roller design handles combined loads effortlessly. The chrome steel construction gives it lasting durability in tough working conditions.

Where Is 66586-66520 Bearing Used?
In automotive applications, 66586-66520 Bearing works well in wheel hubs and differential systems, thanks to its precise imperial measurements. The open design allows for easy lubrication, keeping things running smoothly mile after mile.

Built for Heavy-Duty Use: 66586-66520 Bearing
This bearing shines in agricultural machinery, supporting heavy axial and radial loads in tractors and harvesters. Its steel cage provides reliable performance even in dusty field conditions.

Automotive vs Aerospace: Applications of 66586-66520 Bearing
While commonly used in truck transmissions, 66586-66520 Bearing also fits industrial gearboxes needing imperial-sized components. The ABEC-1 rating ensures consistent performance without over-engineering simpler systems.

Key Fields for 66586-66520 Bearing
You’ll find 66586-66520 Bearing in mining equipment where its robust design withstands extreme loads. The standard radial clearance offers a good balance between precision and durability for most industrial uses.

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