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TS (Single Row Tapered Roller Bearings) (Imperial) 33880-33821

TS (Single Row Tapered Roller Bearings) (Imperial) 33880-33821

The 33880-33821 is a single-row tapered roller bearing with a 1.5″ 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 2.3 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

The standard radial clearance and ABEC-1 rating ensure consistent performance. Suitable for setups requiring precise load distribution and long service life.

Its tapered roller design provides effective load handling, making it a practical choice for demanding environments. Easy to maintain and install, it’s a dependable component for engineers and repair teams.

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Product Parameters

  • Part Number 33880-33821
  • Brand TFL
  • Interchangeable Timken
  • Size 1.5" x 3.75" x 1.0938"
  • Bore Dia 1.5"
  • 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 1.89"
  • Cone Backface Backing Diameter 2.13"
  • 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 33880
  • 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 2.3 lb

Features

Performance Features of 33880-33821 Bearing

33880-33821 Bearing is constructed with chrome steel rings and rollers, offering robust performance under 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, enhancing durability and reducing friction.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

How Is 33880-33821 Bearing Engineered for Reliability?

33880-33821 Bearing features a single-row tapered roller design, optimised for both radial and thrust loads.
The chrome steel construction resists wear, ensuring a long service life even in demanding conditions.
Its standard radial clearance allows for smooth operation, while the ABEC-1 rating ensures consistent quality.
This bearing is interchangeable with Timken models, providing flexibility in replacements.

Built for Durability: 33880-33821 Bearing

33880-33821 Bearing’s tapered roller design efficiently handles combined loads up to 36,200 lbf static radial load.
The steel cage maintains roller positioning, reducing wear and extending operational life.
It operates within a wide temperature range, making it versatile for different industrial applications.
Lubrication is required to maintain optimal performance and longevity.

Steel vs Ceramic Bearings: Strengths of 33880-33821 Bearing

33880-33821 Bearing uses chrome steel for both rollers and rings, providing excellent strength and durability.
Its dynamic thrust rating of 4,270 lbf ensures reliable performance under varying load conditions.
The bearing’s standard radial clearance and ABEC-1 rating make it a practical choice for many applications.
Interchangeability with Timken models adds to its convenience and versatility.

Application

Industrial Uses of 33880-33821 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 even in tough working conditions.
In automotive applications, 33880-33821 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a straightforward replacement for many North American vehicle models.
For industrial conveyor systems, 33880-33821 Bearing’s open design allows for easy lubrication, extending service life in high-load scenarios. The steel cage adds extra strength, making it suitable for continuous operation.

Where Is 33880-33821 Bearing Used?
You’ll often find this bearing in mining equipment, where its ability to handle both radial and thrust loads is crucial. The standard radial clearance ensures smooth operation even under heavy stress.
In power transmission systems, 33880-33821 Bearing supports shafts and gears, thanks to its robust chrome steel rollers. The ABEC-1 rating balances precision and cost-effectiveness for general industrial use.

Built for Heavy-Duty Use: 33880-33821 Bearing
This bearing excels in forestry machinery, where its tapered rollers manage uneven loads and shocks effectively. The steel cage keeps everything aligned, even in dusty or wet environments.
For railway applications, 33880-33821 Bearing’s durability and temperature tolerance make it a reliable choice for axle boxes. Its imperial dimensions simplify maintenance and replacements.

Automotive vs Aerospace: Applications of 33880-33821 Bearing
In automotive settings, this bearing is ideal for truck transmissions, handling high torque with ease. The combined load capacity ensures longevity in demanding conditions.
For aerospace ground equipment, 33880-33821 Bearing’s reliability and standard sizing make it a practical choice for maintenance carts and loading systems. The chrome steel construction resists wear over time.

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