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3188 Single Cones (Imperial)
3188 Single Cones (Imperial)

3188 Single Cones (Imperial)

The 3188 single cones are tapered roller bearings designed for combined loads, with a 1.25″ bore and made from durable chrome steel. They handle dynamic radial loads up to 21300 lbf and operate smoothly in temperatures from -30°C to 110°C.

Their open design and steel cage ensure easy maintenance and long service life. The bearings come in standard radial clearance, with options for C3, C4, or C5 clearances to suit different needs.

These cones are part of the 3100 series and are interchangeable with Timken bearings, making them a reliable choice for replacements. Ideal for heavy-duty applications like truck axles or industrial gearboxes.

Compliant with RoHS and REACH standards, they offer robust performance while meeting environmental regulations. The effective center location of -0.4″ helps with precise alignment in assemblies.

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Product Parameters

  • Part Number 3188
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number 3188-3120 , 3188-3126 , 3188-3129 , 3188-3130 , 3188-3120-B
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series 3100
  • Bore Dia 1.25"
  • Bore Dia Tolerance +0.005" to 0
  • Cone Width 1.181"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 1.56"
  • Cone Backface Backing Diameter 1.57"
  • Cage Cone Frontface Clearance 0.06"
  • Cage Cone Backface Clearance 0.03"
  • Effective Center Location -0.4"
  • Ring 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 Radial Rating(Two Row 1 Million Revolutions)(C1) 37100 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3140 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 9620 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

How Is 3188 Bearing Engineered for Reliability?

3188 Bearing features chrome steel construction, providing strength and durability for combined load applications.
Its tapered roller design ensures efficient load distribution, enhancing performance under dynamic radial loads up to 21,300 lbf.
The steel cage maintains proper roller alignment, reducing friction and wear.
With a temperature range of -30° to 110°C, it performs reliably in various operating conditions.

What Makes 3188 Bearing Suitable for High-Temperature Applications?

3188 Bearing is built with chrome steel rings and rollers, offering stability in temperatures up to 110°C.
Its open design allows for effective heat dissipation, preventing performance degradation.
The tapered roller structure ensures smooth operation even under heavy radial and thrust loads.
Standard radial clearance options provide flexibility for different application needs.

Designed for Durability: 3188 Bearing

3188 Bearing’s single-row tapered roller design delivers long-lasting performance in demanding environments.
Its chrome steel components resist wear, supporting dynamic radial loads of 21,300 lbf.
The steel cage ensures consistent roller spacing, minimising friction and extending service life.
With ABEC-1 precision, it balances cost-effectiveness and reliable operation.

Steel vs Ceramic Bearings: Strengths of 3188 Bearing

3188 Bearing uses high-quality chrome steel for rings and rollers, ensuring robust load-bearing capacity.
Its tapered roller design efficiently handles combined loads, with a static radial rating of 22,800 lbf.
The steel cage provides stability, reducing vibration and noise during operation.
Compliant with RoHS and REACH standards, it meets environmental and safety requirements.

Why Choose 3188 Bearing for Precision Tasks?

3188 Bearing offers ABEC-1 precision, making it suitable for applications requiring consistent performance.
Its chrome steel construction and tapered rollers ensure smooth operation under dynamic and static loads.
Standard radial clearance options allow for easy integration into various systems.
The open design simplifies maintenance, reducing downtime and operational costs.

Application

Industrial Uses of 3188 Bearing
The 3188 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in demanding environments.

Where Is 3188 Bearing Used?
You’ll often find 3188 Bearing in automotive applications like wheel hubs and differential systems, thanks to its reliable performance under radial and thrust loads. The inch sizing makes it a good fit for older or custom-built vehicles.

Built for Heavy-Duty Use: 3188 Bearing
In conveyor systems and industrial gearboxes, 3188 Bearing’s open design allows for easy lubrication and maintenance. Its steel cage provides stability, even under high-speed operations.

Automotive vs Aerospace: Applications of 3188 Bearing
While 3188 Bearing is popular in automotive drivetrains, it’s also suitable for aerospace ground support equipment due to its robust load capacity. The ABEC-1 rating ensures consistent performance across different uses.

Key Fields for 3188 Bearing
For mining and oilfield machinery, 3188 Bearing’s tapered rollers offer excellent shock absorption. The standard radial clearance options make it adaptable to various operational conditions.

Q&A

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