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TS (Single Row Tapered Roller Bearings) (Imperial) 3188-3129

TS (Single Row Tapered Roller Bearings) (Imperial) 3188-3129

The 3188-3129 is a single-row tapered roller bearing with a 1.25″ bore and 3″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 21300 lbf radially and 3140 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 machinery like gearboxes or axles where combined loads are common.

Weighing 1.5 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 3188-3129
  • Brand TFL
  • Interchangeable Timken
  • Size 1.25" x 3" x 1.1875"
  • Bore Dia 1.25"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.181"
  • 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 0.03"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 1.56"
  • Cone Backface Backing Diameter 1.57"
  • Cup Frontface Backing Diameter 2.74"
  • Cup Backface Backing Diameter 2.56"
  • Cage Cone Frontface Clearance 0.06"
  • Cage Cone Backface Clearance 0.03"
  • Effective Center Location -0.4"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 3188
  • Cup Part Number 3129
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 3100
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 21300 lbf
  • Static Radial Load 22800 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 5520 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3140 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 1.500 lb

Features

How Is 3188-3129 Bearing Engineered for Reliability?

3188-3129 Bearing is constructed with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 21300 lbf, making it suitable for heavy-duty applications.

The single-row tapered roller design ensures effective load distribution, enhancing durability.
With a standard radial clearance, it provides reliable operation in various conditions.

3188-3129 Bearing operates within a temperature range of -30° to 110°C, ensuring stability in diverse environments.
The steel cage maintains roller alignment, reducing friction and wear over time.

Application

Industrial Uses of 3188-3129 Bearing
3188-3129 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, 3188-3129 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, 3188-3129 Bearing’s open design allows for easy lubrication, extending service life in high-use environments. The steel cage adds extra strength, making it suitable for continuous operation.

Where Is 3188-3129 Bearing Used?
You’ll often find 3188-3129 Bearing in mining equipment, where its ability to handle radial and thrust loads is crucial. The standard radial clearance ensures smooth operation even under heavy stress.

In manufacturing plants, 3188-3129 Bearing supports machinery like presses and rollers, thanks to its robust design. The ABEC-1 rating makes it a cost-effective choice for general industrial applications.

Built for Heavy-Duty Use: 3188-3129 Bearing
3188-3129 Bearing excels in forestry equipment, where its tapered rollers manage uneven loads effortlessly. The chrome steel rollers and rings resist wear, reducing maintenance needs.

For railway applications, 3188-3129 Bearing’s durability makes it ideal for axle boxes and gearboxes. Its temperature range of -30° to 110°C ensures performance in various climates.

Automotive vs Aerospace: Applications of 3188-3129 Bearing
In automotive systems, 3188-3129 Bearing is trusted for drivetrain components due to its load capacity and reliability. The inch measurements simplify integration into existing designs.

For aerospace ground support equipment, 3188-3129 Bearing offers a balance of strength and precision. Its compliance with RoHS and REACH standards adds an extra layer of safety for sensitive environments.

Q&A

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