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TS (Single Row Tapered Roller Bearings) (Imperial) 33889-33821

TS (Single Row Tapered Roller Bearings) (Imperial) 33889-33821

The 33889-33821 is a single-row tapered roller bearing with a 2″ bore and 3.75″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 29200 lbf radially and 4270 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 1.9 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 33889-33821
  • Brand TFL
  • Interchangeable Timken
  • Size 2" x 3.75" x 1.0938"
  • Bore Dia 2"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.75"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.125"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.0938"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.090"
  • Cone Frontface Backing Diameter 2.28"
  • Cone Backface Backing Diameter 2.52"
  • Cup Frontface Backing Diameter 3.56"
  • Cup Backface Backing Diameter 3.35"
  • Cage Cone Frontface Clearance 0.11"
  • Cage Cone Backface Clearance 0.04"
  • Effective Center Location -0.3"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 33889
  • Cup Part Number 33821
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 33800
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 29200 lbf
  • Static Radial Load 36200 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 7560 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4270 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 1.900 lb

Features

Performance Features of 33889-33821 Bearing

33889-33821 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 29,200 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.

Why Choose 33889-33821 Bearing for Precision Tasks?

33889-33821 Bearing’s tapered roller design provides precise load distribution, improving performance.
The standard radial clearance and ABEC-1 rating ensure consistent operation in industrial settings.
Its effective center location of -0.3″ enhances stability under combined loads.
Lubrication is required, but the open design simplifies maintenance.

Engineered for Reliability: 33889-33821 Bearing

33889-33821 Bearing’s chrome steel construction resists wear, extending its service life.
The dynamic thrust rating of 4,270 lbf ensures reliable performance in demanding applications.
Its cup and cone design allows for easy installation and adjustment.
Weighing 1.900 lb, it balances strength and practicality for industrial use.

Steel vs Ceramic Bearings: Strengths of 33889-33821 Bearing

33889-33821 Bearing’s chrome steel rollers provide durability and cost-effectiveness.
The tapered design handles both radial and thrust loads efficiently.
With a static radial load of 36,200 lbf, it outperforms many alternatives.
Its standard lubrication needs make it a practical choice for various machinery.

Application

Industrial Uses of 33889-33821 Bearing
The 33889-33821 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in tough working conditions.

How Does 33889-33821 Bearing Improve Performance?
In automotive applications, 33889-33821 Bearing enhances performance in wheel hubs and differential systems, thanks to its precise imperial sizing and robust load capacity. The open design allows for easy lubrication, extending service life.

Built for Heavy-Duty Use: 33889-33821 Bearing
This bearing excels in industrial fans and pumps, where its single-row tapered rollers manage radial and thrust loads smoothly. The steel cage adds stability, making it reliable for continuous operation.

Automotive vs Aerospace: Applications of 33889-33821 Bearing
While 33889-33821 Bearing is popular in truck axles and off-road vehicles, its precision also suits aerospace components requiring consistent performance. The ABEC-1 rating ensures adequate accuracy for these demanding fields.

Where Is 33889-33821 Bearing Used?
You’ll find 33889-33821 Bearing in conveyor systems and mining equipment, where its standard radial clearance adapts to varying loads. The temperature range of -30° to 110°C makes it versatile for different environments.

Q&A

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