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TS (Single Row Tapered Roller Bearings) (Imperial) 33287-33475

TS (Single Row Tapered Roller Bearings) (Imperial) 33287-33475

The 33287-33475 is a single-row tapered roller bearing with a 2.875″ bore and 4.75″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 31100 lbf radially and 6020 lbf in 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 2.8 lb, it’s robust 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 33287-33475
  • Brand TFL
  • Interchangeable Timken
  • Size 2.875" x 4.75" x 1.173"
  • Bore Dia 2.875"
  • 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 3.87"
  • Cone Backface Backing Diameter 3.46"
  • 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 33287
  • 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 2.8 lb

Features

Performance Features of 33287-33475 Bearing

33287-33475 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, reducing friction and enhancing durability.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Does 33287-33475 Bearing Resist Wear?

33287-33475 Bearing’s tapered roller design distributes loads evenly, minimising wear over time.
The chrome steel construction provides excellent hardness and resistance to surface fatigue.
Its standard radial clearance allows for smooth operation, even under high stress.
This design ensures long service life with proper lubrication.

Engineered for Precision: 33287-33475 Bearing

33287-33475 Bearing features precise cone and cup dimensions for accurate alignment in assemblies.
The effective center location of -0.11″ ensures optimal load distribution during operation.
Its ABEC-1 rating guarantees consistent performance in industrial applications.
The open design simplifies lubrication and maintenance procedures.

Steel vs Ceramic Bearings: Strengths of 33287-33475 Bearing

33287-33475 Bearing uses chrome steel for both rollers and rings, providing excellent strength-to-weight ratio.
This material choice makes it more cost-effective than ceramic alternatives for many applications.
The steel construction handles high static radial loads up to 44,300 lbf reliably.
Its standard width tolerance of +0.008″ to 0 ensures proper fit in most housings.

Application

Industrial Uses of 33287-33475 Bearing
The 33287-33475 Bearing is widely used in heavy machinery, such as construction equipment and mining tools, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 33287-33475 Bearing supports axle systems and wheel hubs, providing reliable performance under radial and thrust loads. The inch sizing makes it compatible with many North American vehicle models.

For industrial conveyor systems, 33287-33475 Bearing’s open design allows for easy lubrication, extending service life in high-load scenarios. The steel cage adds stability, making it a dependable choice for continuous operation.

What Makes 33287-33475 Bearing a Preferred Choice?
The 33287-33475 Bearing is often selected for agricultural machinery due to its ability to withstand dirt and debris. Its standard radial clearance ensures smooth operation in varying conditions.

In power transmission systems, 33287-33475 Bearing’s tapered rollers reduce friction, improving efficiency. The ABEC-1 rating provides a balance of precision and affordability for general industrial use.

Built for Heavy-Duty Use: 33287-33475 Bearing
The 33287-33475 Bearing excels in forestry equipment, where its robust design handles shock loads and uneven surfaces. The chrome steel rollers resist wear, even in harsh outdoor conditions.

For railway applications, 33287-33475 Bearing’s effective center location ensures proper alignment in bogies and couplings. Its temperature range suits both cold and moderate climates.

Automotive vs Aerospace: Applications of 33287-33475 Bearing
In automotive drivetrains, 33287-33475 Bearing supports high torque loads, ensuring smooth power delivery. Its inch measurements align with many US-made components.

For aerospace ground equipment, 33287-33475 Bearing’s static radial load capacity makes it suitable for landing gear test rigs. The steel cage prevents deformation under intermittent heavy loads.

Q&A

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