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TS (Single Row Tapered Roller Bearings) (Imperial) 33281-33461
TS (Single Row Tapered Roller Bearings) (Imperial) 33281-33461

TS (Single Row Tapered Roller Bearings) (Imperial) 33281-33461

The 33281-33461 is a single-row tapered roller bearing with a 2.8125″ bore and 4.625″ outer diameter, made from sturdy chrome steel. It handles combined loads up to 31100 lbf radially and 6020 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 meets safety and environmental requirements.

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Product Parameters

  • Part Number 33281-33461
  • Brand TFL
  • Interchangeable Timken
  • Size 2.8125" x 4.625" x 1.1875"
  • Bore Dia 2.8125"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.625"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.1875"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.1875"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 3.82"
  • Cone Backface Backing Diameter 3.43"
  • Cup Frontface Backing Diameter 4.45"
  • Cup Backface Backing Diameter 4.17"
  • Cage Cone Frontface Clearance 0.07"
  • Cage Cone Backface Clearance 0.07"
  • Effective Center Location -0.11"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 33281
  • Cup Part Number 33461
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 33000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 31100 lbf
  • Static Radial Load 44300 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 8060 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 6020 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 33281-33461 Bearing

33281-33461 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 31,100 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 33281-33461 Bearing Engineered for Reliability?

33281-33461 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction provides excellent strength and wear resistance.
Its standard radial clearance ensures smooth operation, while the open design simplifies maintenance.
With an ABEC-1 rating, it balances precision and cost-effectiveness.

Built for Durability: 33281-33461 Bearing

33281-33461 Bearing’s tapered roller design distributes loads evenly, extending service life.
The steel cage maintains roller spacing, reducing friction and heat generation.
Its static radial load capacity of 44,300 lbf ensures reliability under heavy loads.
The bearing operates efficiently within a broad temperature range, from -30° to 110°C.

Steel vs Ceramic Bearings: Strengths of 33281-33461 Bearing

33281-33461 Bearing uses chrome steel for both rings and rollers, offering robust performance.
This material choice ensures high load capacity and resistance to wear in demanding applications.
The steel cage provides stability, keeping rollers aligned for smooth operation.
With a dynamic thrust rating of 6,020 lbf, it handles combined loads effectively.

Application

Industrial Uses of 33281-33461 Bearing
33281-33461 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 33281-33461 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a straightforward replacement for Timken equivalents in older vehicles.

For industrial conveyor systems, 33281-33461 Bearing’s open design simplifies lubrication and maintenance, reducing downtime. The standard radial clearance offers flexibility for different operational needs.

Where Is 33281-33461 Bearing Used?
You’ll often find 33281-33461 Bearing in mining equipment, where its robust design withstands high radial and thrust loads. The steel cage adds extra strength for long-term use.

In railway applications, 33281-33461 Bearing supports axle boxes, ensuring smooth operation under heavy loads. Its temperature range makes it suitable for diverse climates.

Built for Heavy-Duty Use: 33281-33461 Bearing
33281-33461 Bearing excels in forestry machinery, handling rough terrain and shock loads with ease. The tapered rollers distribute stress evenly, extending service life.

For oil and gas equipment, 33281-33461 Bearing’s chrome steel rollers resist wear in harsh conditions. Its ABEC-1 rating balances precision and cost-effectiveness for industrial use.

Automotive vs Aerospace: Applications of 33281-33461 Bearing
In automotive drivetrains, 33281-33461 Bearing manages combined loads efficiently, while its aerospace use is limited due to weight constraints. The inch sizing suits North American machinery standards.

For industrial pumps, 33281-33461 Bearing’s standard radial clearance adapts to thermal expansion. Its compatibility with Timken parts simplifies sourcing for maintenance teams.

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