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TS (Single Row Tapered Roller Bearings) (Imperial) 27684-27620

TS (Single Row Tapered Roller Bearings) (Imperial) 27684-27620

The 27684-27620 is a single-row tapered roller bearing with a 3″ bore and 4.9375″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 26300 lbf radially and 4860 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. It’s ideal for gearboxes, axles, or industrial machinery where combined loads are common.

Weighing 2.700 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a reliable option for various industrial needs.

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Product Parameters

  • Part Number 27684-27620
  • Brand TFL
  • Interchangeable Timken
  • Size 3" x 4.9375" x 1"
  • Bore Dia 3"
  • Bore Dia Tolerance +0.005" 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 4.06"
  • Cone Backface Backing Diameter 3.58"
  • 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 27684
  • 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 2.700 lb

Features

Performance Features of 27684-27620 Bearing

27684-27620 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined 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 environmental conditions.

27684-27620 Bearing requires lubrication, enhancing its durability and smooth operation.
Its standard radial clearance allows for flexibility in different industrial setups.

Application

Industrial Uses of 27684-27620 Bearing
This bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability in tough working conditions.

Where Is 27684-27620 Bearing Used?
You’ll often find this bearing in agricultural machinery, such as tractors and harvesters, thanks to its robust design. Its inch sizing makes it a good fit for older American-made equipment.

Built for Heavy-Duty Use: 27684-27620 Bearing
In mining applications, this bearing stands up to high loads and harsh environments. The open seal type allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 27684-27620 Bearing
While it’s not typically used in aerospace, this bearing is great for truck wheel hubs due to its load capacity. The ABEC-1 rating is sufficient for most automotive needs.

Practical Applications of 27684-27620 Bearing
For industrial fans and blowers, this bearing offers reliable performance with minimal maintenance. The standard radial clearance works well in most moderate-speed applications.

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