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TS (Single Row Tapered Roller Bearings) (Imperial) 27680-27620RB

TS (Single Row Tapered Roller Bearings) (Imperial) 27680-27620RB

The 27680-27620RB is a single-row tapered roller bearing with a 2.875″ bore and 4.9375″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 26300 lbf radially and 4860 lbf thrust, making it versatile for various applications.

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

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

Weighing 2.8 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe and dependable choice.

The standard radial clearance and ABEC-1 rating ensure consistent performance. Suitable for industrial settings requiring durability and precision.

Its tapered roller design provides efficient load distribution. Perfect for applications like gearboxes or wheel hubs where reliability is key.

The bearing’s dimensions and tolerances ensure a precise fit. Easy to maintain and install, it’s a practical solution for engineers and mechanics alike.

With a dynamic radial rating of 6830 lbf at 90 million revolutions, it offers long-lasting service. A solid choice for demanding environments.

The chrome steel construction resists wear and tear. Its standard cup type simplifies integration into existing systems.

Operating within a wide temperature range, it’s adaptable to various conditions. A reliable component for both new installations and replacements.

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Product Parameters

  • Part Number 27680-27620RB
  • Brand TFL
  • Interchangeable Timken
  • Size 2.875" x 4.9375" x 1.0001"
  • Bore Dia 2.875"
  • 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 1.0001"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 3.94"
  • Cone Backface Backing Diameter 3.46"
  • 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 27680
  • 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 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 2.8 lb

Features

How Does 27680-27620RB Bearing Handle Combined Loads?

27680-27620RB Bearing is built with chrome steel rings and rollers, 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 friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

Why Choose 27680-27620RB Bearing for Precision Tasks?

27680-27620RB Bearing features a single-row tapered roller design, providing precise load distribution.
The chrome steel construction ensures durability and resistance to wear under heavy loads.
Its standard radial clearance allows for smooth operation in combined load applications.
The bearing’s effective center location enhances stability and performance.

Engineered for Reliability: 27680-27620RB Bearing

27680-27620RB Bearing’s tapered roller design ensures efficient load handling and reduced friction.
The chrome steel materials provide excellent resistance to wear and corrosion.
With a static radial load capacity of 39,900 lbf, it is suitable for heavy-duty applications.
The open seal type allows for easy lubrication and maintenance.

Steel vs Ceramic Bearings: Strengths of 27680-27620RB Bearing

27680-27620RB Bearing uses chrome steel for both rollers and rings, ensuring strength and durability.
Its dynamic thrust rating of 4,860 lbf makes it versatile for various load conditions.
The steel cage design maintains roller alignment, reducing operational noise.
This bearing is ideal for applications requiring combined load handling.

Application

Industrial Uses of 27680-27620RB Bearing
The 27680-27620RB Bearing is commonly used in heavy machinery like construction equipment and agricultural vehicles, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in tough working conditions.

In automotive applications, 27680-27620RB Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The imperial sizing makes it a convenient choice for North American vehicle models.

For industrial conveyor systems, 27680-27620RB Bearing’s open design allows for easy lubrication, extending its service life in high-demand environments. The steel cage adds extra strength, making it suitable for continuous operation.

What Makes 27680-27620RB Bearing a Preferred Choice?
The 27680-27620RB Bearing stands out in applications requiring precise radial and thrust load management, such as gearboxes and power transmission systems. Its standard radial clearance offers flexibility for different operational needs.

In mining equipment, 27680-27620RB Bearing’s robust design handles extreme loads and harsh conditions without compromising performance. The ABEC-1 rating ensures consistent quality for industrial applications.

Built for Heavy-Duty Use: 27680-27620RB Bearing
The 27680-27620RB Bearing is ideal for forestry machinery, where its tapered rollers distribute loads evenly, reducing wear over time. Its temperature range of -30° to 110°C suits various climates.

For railway applications, 27680-27620RB Bearing’s dynamic radial load capacity ensures smooth operation in freight and passenger trains. The steel cage and chrome steel rollers enhance its longevity under constant use.

Automotive vs Aerospace: Applications of 27680-27620RB Bearing
In automotive systems, 27680-27620RB Bearing is often found in drivetrains, offering reliable performance under heavy loads. Its compatibility with Timken models makes it a versatile replacement option.

For aerospace ground support equipment, 27680-27620RB Bearing’s precision and durability meet the demands of high-stress environments. The inch measurements align with standard aerospace components.

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