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TS (Single Row Tapered Roller Bearings) (Imperial) 33281-33475

TS (Single Row Tapered Roller Bearings) (Imperial) 33281-33475

The 33281-33475 is a single-row tapered roller bearing with a 2.8125″ bore and 4.75″ outer diameter, crafted from durable 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 reliable performance. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing 2.9 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for industrial use.

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Product Parameters

  • Part Number 33281-33475
  • Brand TFL
  • Interchangeable Timken
  • Size 2.8125" x 4.75" x 1.173"
  • Bore Dia 2.8125"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.75"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.1875"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.923"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.173"
  • 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 4.53"
  • Cup Backface Backing Diameter 4.21"
  • 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 33475
  • 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 2.9 lb

Features

How Is 33281-33475 Bearing Engineered for Reliability?

33281-33475 Bearing is built with chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity reaches 31,100 lbf, making it suitable for heavy-duty applications.

The steel cage maintains proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

The tapered roller design allows for efficient handling of both radial and thrust loads.
Its standard radial clearance options provide flexibility for different installation needs.

Application

Industrial Uses of 33281-33475 Bearing
This bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability in tough environments.

Where Is 33281-33475 Bearing Used?
You’ll often find 33281-33475 Bearing in automotive axles and industrial gearboxes, thanks to its ability to manage both radial and thrust loads. Its inch sizing makes it a good fit for North American machinery standards.

Built for Heavy-Duty Use: 33281-33475 Bearing
33281-33475 Bearing excels in applications like mining equipment, where its steel cage and rollers withstand high stress. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 33281-33475 Bearing
In automotive systems, 33281-33475 Bearing supports wheel hubs and transmissions, while in aerospace, it’s used in auxiliary gearboxes. Its ABEC-1 rating ensures reliable performance in both fields.

Key Fields for 33281-33475 Bearing
33281-33475 Bearing is ideal for conveyor systems and pumps, where its standard radial clearance offers smooth operation. The temperature range of -30° to 110°C makes it versatile for various climates.

Q&A

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