+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
TS (Single Row Tapered Roller Bearings) (Imperial) 27689H-27620RB

TS (Single Row Tapered Roller Bearings) (Imperial) 27689H-27620RB

The 27689H-27620RB is a single-row tapered roller bearing with a 3.28″ bore and 4.94″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 24900 lbf radial and 4590 lbf thrust, suitable for demanding 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.

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

Weighing 2.3 lb, it offers a robust yet manageable size. Compliant with RoHS and REACH standards for safe and reliable performance.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 27689H-27620RB
  • Brand TFL
  • Interchangeable Timken
  • Size 3.2813" x 4.9375" x 1.0001"
  • 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 1.0001"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 4.32"
  • Cone Backface Backing Diameter 3.54"
  • Cup Frontface Backing Diameter 4.75"
  • Cup Backface Backing Diameter 4.53"
  • Cage Cone Frontface Clearance 0.09"
  • Cage Cone Backface Clearance 0.04"
  • Effective Center Location 0.02"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 27689H
  • Cup Part Number 27620RB
  • 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 24900 lbf
  • Static Radial Load 39900 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 6450 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4590 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

Performance Features of 27689H-27620RB Bearing

27689H-27620RB Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 24,900 lbf, ensuring reliable performance in heavy-duty 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 various operating conditions.

27689H-27620RB Bearing requires lubrication, ensuring smooth operation and reduced wear over time.
Its standard radial clearance options provide flexibility for different application needs.

Application

Industrial Uses of 27689H-27620RB Bearing
27689H-27620RB Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 27689H-27620RB Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it a straightforward replacement for Timken equivalents in many vehicles.

For industrial conveyor systems, 27689H-27620RB Bearing offers smooth operation thanks to its standard radial clearance and robust steel cage. The open design simplifies lubrication, which is essential for continuous use.

Where Is 27689H-27620RB Bearing Used?
You’ll often find 27689H-27620RB Bearing in mining equipment, where its ability to handle high radial and thrust loads is crucial. The ABEC-1 rating ensures consistent performance without overcomplicating the design.

Built for Heavy-Duty Use: 27689H-27620RB Bearing
27689H-27620RB Bearing excels in applications like gearboxes and power transmission systems, where its dynamic load capacity shines. The steel cage and chrome steel rollers provide long-lasting wear resistance.

Automotive vs Aerospace: Applications of 27689H-27620RB Bearing
In automotive settings, 27689H-27620RB Bearing supports drivetrain components, while in aerospace, it’s suited for auxiliary systems requiring precise load management. The temperature range of -30° to 110°C covers most operational needs.

What Makes 27689H-27620RB Bearing a Preferred Choice?
Its compatibility with Timken designs and straightforward inch measurements make 27689H-27620RB Bearing a go-to for repairs and upgrades. The standard radial clearance balances performance and ease of installation.

Q&A

SEND INQUIRY