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TS (Single Row Tapered Roller Bearings) (Imperial) 27690-27620

TS (Single Row Tapered Roller Bearings) (Imperial) 27690-27620

The 27690-27620 is a single-row tapered roller bearing with a 3.28″ bore and 4.93″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 26300 lbf radial and 4860 lbf thrust, suitable for demanding applications.

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

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing 2.3 lb, it offers a robust build for its size. Compliant with RoHS and REACH standards for safe and reliable use.

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Product Parameters

  • Part Number 27690-27620
  • Brand TFL
  • Interchangeable Timken
  • Size 3.2813" x 4.9375" x 1"
  • Bore Dia 3.2813"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 4.9375"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.7813"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 4.29"
  • Cone Backface Backing Diameter 3.78"
  • Cup Frontface Backing Diameter 4.75"
  • Cup Backface Backing Diameter 4.53"
  • Cage Cone Frontface Clearance 0.09"
  • Cage Cone Backface Clearance 0.05"
  • Effective Center Location 0.02"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 27690
  • Cup Part Number 27620
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 27600
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 26300 lbf
  • Static Radial Load 39900 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 6830 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4860 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 2.3 lb

Features

How Does 27690-27620 Bearing Handle Combined Loads?

27690-27620 Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 26,300 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.

Why Choose 27690-27620 Bearing for Precision Tasks?

27690-27620 Bearing features precise tolerances, with bore and outer diameter tolerances of +0.001″ to 0.
Its tapered roller design ensures smooth operation under combined loads, ideal for precision machinery.
The chrome steel construction enhances durability, while the standard radial clearance provides flexibility.
This bearing is interchangeable with Timken models, offering compatibility and convenience.

Engineered for Reliability: 27690-27620 Bearing

27690-27620 Bearing’s single-row tapered roller design provides stable performance under heavy loads.
The chrome steel components resist wear, ensuring a long service life even in demanding conditions.
Its effective center location of 0.02″ enhances alignment and reduces operational stress.
With ABEC-1 rating, it balances precision and affordability for various industrial uses.

Application

Industrial Uses of 27690-27620 Bearing
The 27690-27620 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 27690-27620 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The inch sizing makes it a straightforward replacement for Timken equivalents in many vehicles.

For industrial conveyor systems, 27690-27620 Bearing’s open design simplifies lubrication and maintenance, extending service life. The standard radial clearance option offers flexibility for different operational needs.

Where Is 27690-27620 Bearing Used?
You’ll often find 27690-27620 Bearing in mining equipment, where its robust design withstands high radial and thrust loads. The steel cage adds extra strength for prolonged use in harsh conditions.

In wind turbines, 27690-27620 Bearing supports rotor shafts, thanks to its ability to manage combined loads smoothly. The ABEC-1 rating ensures consistent performance without overcomplicating precision requirements.

Built for Heavy-Duty Use: 27690-27620 Bearing
The 27690-27620 Bearing excels in forestry machinery, where its tapered rollers distribute loads evenly. Its chrome steel rollers and rings resist wear, even with frequent heavy use.

For railroad applications, 27690-27620 Bearing’s inch dimensions and compatibility with Timken parts make it a practical choice. The standard radial clearance adapts well to thermal expansion in rail systems.

Automotive vs Aerospace: Applications of 27690-27620 Bearing
In automotive drivetrains, 27690-27620 Bearing handles the high loads of trucks and buses reliably. Its dynamic thrust rating ensures smooth operation in gearboxes and axles.

For aerospace ground equipment, 27690-27620 Bearing’s temperature range suits outdoor use, from cold mornings to hot afternoons. The steel cage provides lightweight durability without compromising strength.

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