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TS (Single Row Tapered Roller Bearings) (Imperial) 3191-3130

TS (Single Row Tapered Roller Bearings) (Imperial) 3191-3130

The 3191-3130 is a single-row tapered roller bearing with a 1.1875″ bore and 2.8593″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 21300 lbf radially and 3140 lbf in thrust, suitable for demanding applications.

Its open design allows for straightforward lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for use in gearboxes, wheel hubs, or industrial machinery where combined loads are common.

Weighing 1.3 lb, it offers a balance of strength and manageable size. Compliant with RoHS and REACH standards for safe and reliable use.

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Product Parameters

  • Part Number 3191-3130
  • Brand TFL
  • Interchangeable Timken
  • Size 1.1875" x 2.8593" x 1.1876"
  • Bore Dia 1.1875"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.8593"
  • 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 1.1876"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 1.52"
  • Cone Backface Backing Diameter 1.75"
  • Cup Frontface Backing Diameter 2.68"
  • Cup Backface Backing Diameter 2.48"
  • 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 3191
  • Cup Part Number 3130
  • 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 1.3 lb

Features

Performance Features of 3191-3130 Bearing

3191-3130 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 21,300 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

How Is 3191-3130 Bearing Engineered for Reliability?

3191-3130 Bearing features a tapered roller design, providing stability under both radial and thrust loads.
The chrome steel construction enhances durability, while the open seal type allows for easy lubrication.
Its standard radial clearance ensures smooth operation, with options for C3, C4, or C5 available.
Weighing just 1.3 lb, it balances strength and portability for industrial use.

Designed for Durability: 3191-3130 Bearing

3191-3130 Bearing’s single-row construction simplifies installation and maintenance in tight spaces.
The precise tolerances on bore and outer diameters ensure a secure fit in machinery.
Its effective center location of -0.4″ optimises load distribution, reducing wear over time.
Compliant with RoHS and REACH standards, it meets global environmental and safety requirements.

Steel vs Ceramic Bearings: Strengths of 3191-3130 Bearing

3191-3130 Bearing uses chrome steel for both rollers and rings, offering excellent strength and affordability.
The steel cage provides reliable performance, even under high dynamic radial loads.
Unlike ceramic options, it is easier to maintain and lubricate, reducing downtime.
With an ABEC-1 rating, it ensures consistent precision for industrial applications.

Application

Common Applications of 3191-3130 Bearing
The 3191-3130 Bearing is widely used in industrial machinery, especially in gearboxes and heavy-duty conveyor systems. Its tapered roller design handles combined loads efficiently, making it suitable for high-stress environments.
In automotive applications, 3191-3130 Bearing is often found in wheel hubs and differential systems. The chrome steel construction ensures durability, even under constant vibration and shock loads.

How Does 3191-3130 Bearing Improve Performance?
This bearing’s single-row tapered design provides excellent radial and thrust load capacity. It’s a reliable choice for agricultural equipment, where uneven loads are common.
The standard radial clearance and ABEC-1 rating make 3191-3130 Bearing versatile for general machinery. Its steel cage adds stability, reducing wear over time.

Built for Heavy-Duty Use: 3191-3130 Bearing
You’ll often see 3191-3130 Bearing in construction equipment like bulldozers and cranes. Its inch sizing makes it compatible with many North American machinery standards.
The open seal design allows for easy lubrication, extending service life in dusty or humid conditions. This bearing balances performance and maintenance simplicity.

Automotive vs Industrial: Where 3191-3130 Bearing Excels
In trucks, 3191-3130 Bearing supports axles and transmissions, handling both radial and thrust loads. Its temperature range suits various climates.
For industrial pumps, this bearing’s dynamic load rating ensures smooth operation. The interchangeable design with Timken models simplifies replacements.

Perfect Fit for Machinery: 3191-3130 Bearing
3191-3130 Bearing works well in mining equipment, where robustness is key. The chrome steel rollers resist deformation under heavy loads.
Its standard radial clearance adapts to slight misalignments, reducing stress on surrounding components. This makes it a practical choice for older machinery.

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