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

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

The 27684A-27620RB is a single-row tapered roller bearing with a 3-inch bore and 4.9375-inch outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 24900 lbf radially and 4590 lbf 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 2.7 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most environments.

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Product Parameters

  • Part Number 27684A-27620RB
  • Brand TFL
  • Interchangeable Timken
  • Size 3" x 4.9375" x 1.0001"
  • 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 1.0001"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 4.06"
  • Cone Backface Backing Diameter 3.35"
  • 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 27684A
  • 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 2.700 lb

Features

Performance Features of 27684A-27620RB Bearing

27684A-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, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, reducing friction and enhancing durability.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 27684A-27620RB Bearing Engineered for Reliability?

27684A-27620RB Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction provides excellent wear resistance, extending its service life.
Its dynamic thrust rating of 4,590 lbf ensures consistent performance under demanding conditions.
The standard radial clearance allows for smooth operation in diverse applications.

Designed for Durability: 27684A-27620RB Bearing

27684A-27620RB Bearing’s tapered roller design efficiently manages both radial and thrust loads.
The steel cage maintains roller positioning, minimising wear and ensuring long-term reliability.
With a static radial load capacity of 39,900 lbf, it handles heavy loads with ease.
Its ABEC-1 rating guarantees precision and consistent performance.

Steel vs Ceramic Bearings: Strengths of 27684A-27620RB Bearing

27684A-27620RB Bearing uses chrome steel for both rollers and rings, offering robust load-bearing capabilities.
The material choice ensures high resistance to wear and fatigue, even in tough conditions.
Its effective centre location of 0.02″ enhances stability during operation.
The bearing’s design is optimised for applications requiring combined load support.

Application

Industrial Uses of 27684A-27620RB Bearing
27684A-27620RB 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 even in demanding environments.

Where Is 27684A-27620RB Bearing Used?
You’ll often find 27684A-27620RB Bearing in agricultural machinery, supporting components like gearboxes and wheel hubs. Its inch sizing makes it a practical choice for North American equipment manufacturers.

Built for Heavy-Duty Use: 27684A-27620RB Bearing
27684A-27620RB Bearing excels in mining applications, where its robust design withstands high loads and harsh conditions. The open seal type allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 27684A-27620RB Bearing
In automotive systems, 27684A-27620RB Bearing is ideal for truck axles, providing reliable performance under heavy loads. While not typically used in aerospace, its precision makes it suitable for industrial gearboxes.

Key Fields for 27684A-27620RB Bearing
27684A-27620RB Bearing is a go-to choice for conveyor systems in manufacturing plants, thanks to its standard radial clearance. The steel cage adds stability, ensuring smooth operation over long periods.

Q&A

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