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

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

The 27684-27620RB 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-wise, suitable for demanding applications.

Its open design allows for easy lubrication, while the steel cage ensures durability. 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. Ideal for heavy-duty machinery like gearboxes or industrial equipment where combined loads are common.

Weighing 2.6 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and reliable use.

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Product Parameters

  • Part Number 27684-27620RB
  • 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 0.14"
  • 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 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 2.6 lb

Features

Performance Features of 27684-27620RB Bearing

27684-27620RB Bearing is crafted with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 26,300 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing friction.
With an ABEC-1 rating, it provides reliable precision in various industrial settings.

How Does 27684-27620RB Bearing Resist Wear?

27684-27620RB Bearing features chrome steel construction, which significantly reduces wear over time.
The tapered roller design distributes loads evenly, minimising stress on individual components.
Its standard radial clearance allows for smooth operation, even under demanding conditions.
This design ensures long service life with minimal maintenance requirements.

Engineered for Precision: 27684-27620RB Bearing

27684-27620RB Bearing delivers precise performance with its ABEC-1 rated construction.
The tapered rollers and chrome steel materials work together to maintain accuracy under load.
Effective centre location of 0.02″ ensures stable operation in various applications.
Its temperature range of -30° to 110°C makes it versatile for different environments.

Application

Industrial Uses of 27684-27620RB Bearing
27684-27620RB Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. The imperial sizing makes it a straightforward fit for North American industrial applications.

In automotive systems, 27684-27620RB Bearing works well in wheel hubs and differentials, offering reliable performance under varying loads. Its chrome steel construction ensures durability even in demanding driving conditions.

For conveyor systems, 27684-27620RB Bearing’s open design simplifies lubrication and maintenance, reducing downtime. The standard radial clearance provides flexibility for different operational needs.

Where Is 27684-27620RB Bearing Used?
You’ll often find 27684-27620RB Bearing in mining equipment, where its robust build withstands harsh environments. The steel cage adds extra strength, making it suitable for high-impact scenarios.

In railway applications, 27684-27620RB Bearing supports axle boxes, ensuring smooth movement under heavy loads. Its ABEC-1 rating balances precision and cost-effectiveness for these uses.

Built for Heavy-Duty Use: 27684-27620RB Bearing
27684-27620RB Bearing excels in forestry machinery, handling both radial and thrust loads with ease. The tapered rollers distribute stress evenly, extending service life.

For oil and gas equipment, 27684-27620RB Bearing’s temperature tolerance (-30° to 110°C) ensures reliability in extreme conditions. Regular lubrication keeps it performing smoothly over time.

Automotive vs Aerospace: Applications of 27684-27620RB Bearing
In automotive settings, 27684-27620RB Bearing is ideal for drivetrains, where its load capacity meets rigorous demands. The inch measurements align with standard US vehicle specs.

For aerospace ground support gear, 27684-27620RB Bearing offers a balance of strength and weight, though it’s not suited for in-flight use. Its compliance with RoHS and REACH standards adds environmental safety.

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