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TS (Single Row Tapered Roller Bearings) (Imperial) 28985-28920

TS (Single Row Tapered Roller Bearings) (Imperial) 28985-28920

The 28985-28920 is a single-row tapered roller bearing with a 2.375″ bore and 4″ outer diameter, crafted from robust chrome steel. It handles combined loads up to 23800 lbf radially and 4500 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 1.7 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 28985-28920
  • Brand TFL
  • Interchangeable Timken
  • Size 2.375" x 4" x 1"
  • Bore Dia 2.375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4"
  • 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 0.130"
  • Cone Frontface Backing Diameter 2.64"
  • Cone Backface Backing Diameter 2.87"
  • Cup Frontface Backing Diameter 3.85"
  • Cup Backface Backing Diameter 3.54"
  • Cage Cone Frontface Clearance 0.09"
  • Cage Cone Backface Clearance 0.05"
  • Effective Center Location -0.1"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 28985
  • Cup Part Number 28920
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 28900
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 23800 lbf
  • Static Radial Load 33500 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 6180 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4500 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 1.7 lb

Features

Engineered for Precision: 28985-28920 Bearing

28985-28920 Bearing features a single-row tapered roller design, ideal for handling combined loads with ease.
Its chrome steel construction ensures durability and resistance to wear in demanding applications.

The bearing’s dynamic radial load capacity reaches 23,800 lbf, making it suitable for heavy-duty tasks.
With a static radial load of 33,500 lbf, it provides reliable performance under high stress.

28985-28920 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its standard radial clearance options allow for flexibility in various industrial settings.

The steel cage maintains roller alignment, reducing friction and extending service life.
This design ensures smooth operation even at high speeds and under heavy loads.

28985-28920 Bearing is compatible with Timken models, offering easy replacement options.
Its inch measurements make it a versatile choice for imperial system applications.

Application

Industrial Uses of 28985-28920 Bearing
The 28985-28920 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in demanding environments.

Where Is 28985-28920 Bearing Used?
You’ll often find the 28985-28920 Bearing in automotive applications like truck wheel hubs, where its ability to manage radial and thrust loads keeps things running smoothly. The inch sizing makes it a good fit for many North American vehicles.

Built for Heavy-Duty Use: 28985-28920 Bearing
This bearing excels in industrial settings, particularly in conveyor systems and gearboxes, where its open design allows for easy lubrication. The steel cage adds extra strength, making it reliable for long-term use.

Automotive vs Aerospace: Applications of 28985-28920 Bearing
In automotive systems, the 28985-28920 Bearing supports wheel hubs and transmissions, while in aerospace, its precision helps with landing gear mechanisms. The tapered rollers ensure stability under varying load conditions.

Perfect Fit for Automation: 28985-28920 Bearing
The 28985-28920 Bearing works well in automated machinery, such as robotic arms, where its combined load capacity and smooth operation are key. Its standard radial clearance offers flexibility for different setups.

Q&A

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