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27691 Single Cones (Imperial)
27691 Single Cones (Imperial)

27691 Single Cones (Imperial)

The 27691 is a single-row tapered roller bearing with a 3.2813″ bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 26300 lbf and static loads up to 39900 lbf.

Its open design allows easy maintenance, while the steel cage ensures reliable performance. The bearing operates smoothly in temperatures from -30°C to 110°C, making it suitable for various conditions.

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for industrial machinery or heavy equipment where combined loads are common.

With an ABEC-1 rating and standard radial clearance, it provides a balance of precision and durability. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 27691
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number 27691-27620 , 27691-27620RB
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series 27600
  • Bore Dia 3.2813"
  • Bore Dia Tolerance +0.001" to 0
  • Cone Width 1"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.25"
  • Cone Frontface Backing Diameter 3.54"
  • Cone Backface Backing Diameter 4.02"
  • Cage Cone Frontface Clearance 0.09"
  • Cage Cone Backface Clearance 0.05"
  • Effective Center Location 0.02"
  • Ring 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 Radial Rating(Two Row 1 Million Revolutions)(C1) 45900 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4860 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 11900 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

How Does 27691 Bearing Handle Combined Loads?

27691 Bearing is crafted from chrome steel, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 26,300 lbf, ensuring reliable performance in demanding conditions.
The steel cage maintains roller alignment, reducing wear and extending the bearing’s lifespan.
With a temperature range of -30° to 110°C, it performs well in various environments.

Application

Industrial Uses of 27691 Bearing
27691 Bearing is commonly used in heavy machinery, such as conveyor systems and industrial gearboxes, where its tapered roller design handles combined loads effectively. The open seal type allows for easy lubrication, extending its service life in demanding environments.

What Makes 27691 Bearing a Preferred Choice?
In automotive applications, 27691 Bearing supports wheel hubs and differential systems, thanks to its robust chrome steel construction. Its inch sizing makes it a reliable option for older or imperial-based vehicle models.

Built for Heavy-Duty Use: 27691 Bearing
For construction equipment like excavators, 27691 Bearing’s high dynamic radial load capacity ensures durability under extreme conditions. The steel cage adds extra strength, making it suitable for rough terrain operations.

Automotive vs Aerospace: Applications of 27691 Bearing
In automotive settings, 27691 Bearing excels in transmissions and axles, while its precision also suits aerospace landing gear components. The ABEC-1 rating balances performance and cost for diverse industries.

Perfect Fit for Automation: 27691 Bearing
27691 Bearing is ideal for robotic arms and automated assembly lines, where its tapered rollers provide smooth motion control. The standard radial clearance ensures consistent performance in high-precision tasks.

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