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TS (Single Row Tapered Roller Bearings) (Imperial) 27687-27620

TS (Single Row Tapered Roller Bearings) (Imperial) 27687-27620

The 27687-27620 is a single-row tapered roller bearing with a 3.25″ bore and 4.9375″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 26300 lbf radially and 4860 lbf in thrust, making it versatile for various applications.

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

Interchangeable with Timken bearings, this model is a reliable choice for replacements. It’s well-suited for industrial machinery or automotive systems where combined loads are common.

Weighing 2.3 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 and ABEC-1 rating make it a practical option for general-purpose use. Its tapered roller design ensures even load distribution for long-lasting performance.

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Product Parameters

  • Part Number 27687-27620
  • Brand TFL
  • Interchangeable Timken
  • Size 3.25" x 4.9375" x 1"
  • Bore Dia 3.25"
  • 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 27687
  • 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

Why Choose 27687-27620 Bearing for Precision Tasks?

27687-27620 Bearing is crafted with chrome steel rings and rollers, ensuring durability and precision in combined load applications.
Its dynamic radial load capacity reaches 26,300 lbf, making it suitable for heavy-duty operations.
The steel cage maintains roller alignment, reducing friction and enhancing performance.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

Application

Common Applications of 27687-27620 Bearing
27687-27620 Bearing is widely used in industrial equipment like heavy-duty gearboxes and conveyor systems, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability in demanding environments.

In automotive applications, 27687-27620 Bearing supports 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 automation systems, 27687-27620 Bearing’s open design allows easy lubrication, maintaining smooth operation in robotic arms and assembly lines. The steel cage adds stability during high-speed rotations.

Where Is 27687-27620 Bearing Used?
You’ll often find 27687-27620 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design withstands harsh conditions. The tapered rollers distribute loads evenly, reducing wear.

In construction equipment, 27687-27620 Bearing excels in excavators and loaders, thanks to its high static radial load capacity. The inch measurements ensure compatibility with standard machinery parts.

Built for Heavy-Duty Use: 27687-27620 Bearing
27687-27620 Bearing is ideal for mining equipment, where its combined load capability handles both radial and thrust forces. The chrome steel rollers resist deformation under extreme pressure.

In forestry machinery, 27687-27620 Bearing’s durability shines in log splitters and sawmills. The open seal design simplifies maintenance, even in dusty or wet environments.

Automotive vs Aerospace: Applications of 27687-27620 Bearing
In automotive systems, 27687-27620 Bearing supports drivetrain components, offering reliable performance over long distances. The ABEC-1 rating ensures consistent precision.

For aerospace ground equipment, 27687-27620 Bearing’s temperature range suits hydraulic systems and landing gear test rigs. Its steel cage provides stability during repetitive use.

Q&A

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