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

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

The 27689H-27620 is a single-row tapered roller bearing with a 3.28″ bore and 4.94″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 24900 lbf radially and 4590 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.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal 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’s a safe choice for diverse environments.

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Product Parameters

  • Part Number 27689H-27620
  • 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 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 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-27620 Bearing

27689H-27620 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 24,900 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 27689H-27620 Bearing Engineered for Reliability?

27689H-27620 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction provides excellent strength and wear resistance.
Its standard radial clearance ensures smooth operation, while the open design simplifies lubrication.
This bearing meets ABEC-1 standards, balancing precision and performance.

Built for Durability: 27689H-27620 Bearing

27689H-27620 Bearing’s robust chrome steel components withstand high static radial loads up to 39,900 lbf.
The tapered roller design distributes loads evenly, extending service life.
It operates efficiently within a wide temperature range, from -30° to 110°C.
The steel cage maintains roller positioning, ensuring consistent performance.

Steel vs Ceramic Bearings: Strengths of 27689H-27620 Bearing

27689H-27620 Bearing uses chrome steel for both rings and rollers, providing excellent load capacity.
Its dynamic thrust rating of 4,590 lbf ensures reliable performance in demanding applications.
The standard radial clearance allows for smooth operation under various conditions.
This bearing is RoHS and REACH compliant, meeting environmental standards.

Application

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

Where Is 27689H-27620 Bearing Used?
You’ll often find 27689H-27620 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design supports high radial and thrust loads. The inch sizing makes it a fit for many North American equipment standards.

Built for Heavy-Duty Use: 27689H-27620 Bearing
27689H-27620 Bearing excels in industrial gearboxes, providing reliable performance under continuous operation. Its steel cage offers added strength, making it suitable for high-stress applications.

Automotive vs Aerospace: Applications of 27689H-27620 Bearing
In automotive systems, 27689H-27620 Bearing is used in wheel hubs and differentials, while in aerospace, it supports auxiliary systems requiring precision and reliability. The ABEC-1 rating ensures consistent performance.

Perfect Fit for Automation: 27689H-27620 Bearing
27689H-27620 Bearing works well in automated conveyor systems, where its tapered rollers manage varying load directions smoothly. The open design allows for easy lubrication, extending service life.

Q&A

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