TS (Single Row Tapered Roller Bearings) (Imperial) 43131-43312

The 43131-43312 is a single-row tapered roller bearing with a 1.3125″ bore and 3.125″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 20700 lbf radially and 6130 lbf thrust, making it versatile for various applications.

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

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for machinery like gearboxes or wheel hubs where combined loads are common.

Weighing 1.2 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for industrial use.

The standard radial clearance (with options for C3/C4/C5) provides flexibility for different setups. Its ABEC-1 rating ensures dependable precision for general applications.

The tapered roller design efficiently manages both radial and thrust loads. Suitable for equipment requiring durability and consistent performance under stress.

Easy to maintain with regular lubrication, it’s a practical choice for long-term use. The chrome steel construction resists wear, extending its service life.

Perfect for automotive or industrial settings where reliability is key. Its robust build handles demanding conditions without compromising performance.

The precise tolerances ensure a snug fit, reducing vibration and noise. A dependable option for engineers seeking a balance of strength and efficiency.

With its straightforward design, installation and maintenance are hassle-free. A solid pick for applications needing a sturdy, long-lasting bearing solution.

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Description

Features

Application

Q&A

Product Parameters

Part Number 43131-43312
Brand TFL
Interchangeable Timken
Size 1.3125" x 3.125" x 1"
Bore Dia 1.3125"
Bore Dia Tolerance +0.005" to 0
Outer Dia 3.125"
Outer Dia Tolerance +0.001" to 0
Cone Width 0.9478"
Cone Width Tolerance +0.003" to -0.01
Cup Width 0.6875"
Cup Width Tolerance +0.002" to -0.01
Width 1"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.14"
Cup Backface ToClear Radius 0.06"
Cone Frontface Backing Diameter 1.65"
Cone Backface Backing Diameter 2.01"
Cup Frontface Backing Diameter 2.94"
Cup Backface Backing Diameter 2.64"
Cage Cone Frontface Clearance 0.13"
Cage Cone Backface Clearance 0.1"
Effective Center Location -0.08"
System of Measurement Inch
Type Bearing
Cone Part Number 43131
Cup Part Number 43312
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 43000
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 20700 lbf
Static Radial Load 17100 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 5360 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 6130 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 1.2 lb

Features

How Is 43131-43312 Bearing Engineered for Reliability?

43131-43312 Bearing features chrome steel rings and rollers, providing strong resistance to combined loads.
Its dynamic radial load capacity reaches 20,700 lbf, ensuring dependable performance in various applications.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in diverse environments.

What Makes 43131-43312 Bearing Suitable for High-Temperature Applications?

43131-43312 Bearing withstands temperatures up to 110°C, maintaining stability under demanding conditions.
The chrome steel construction resists wear, ensuring consistent performance even in harsh settings.
Its tapered roller design efficiently manages both radial and thrust loads.
The open seal type allows for easy lubrication, enhancing durability over time.

Built for Durability: 43131-43312 Bearing

43131-43312 Bearing’s single-row tapered roller design ensures robust handling of combined loads.
The chrome steel components resist wear, contributing to a longer service life.
With a static radial load of 17,100 lbf, it offers reliable support in heavy-duty applications.
Its standard radial clearance options provide flexibility for different operational needs.

Steel vs Ceramic Bearings: Strengths of 43131-43312 Bearing

43131-43312 Bearing uses chrome steel for both rings and rollers, balancing strength and cost-effectiveness.
The steel cage ensures smooth roller movement, reducing friction and noise.
Its dynamic thrust rating of 6,130 lbf makes it suitable for applications requiring high load capacity.
The ABEC-1 rating ensures consistent precision in performance.

Application

Industrial Uses of 43131-43312 Bearing
43131-43312 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, 43131-43312 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it a straightforward replacement for Timken equivalents in many vehicles.

For industrial conveyor systems, 43131-43312 Bearing’s open design simplifies lubrication and maintenance, reducing downtime. The standard radial clearance offers flexibility for different operational needs.

Where Is 43131-43312 Bearing Used?
You’ll often find 43131-43312 Bearing in mining equipment, where its robust design handles high radial and thrust loads. The steel cage adds extra strength for prolonged use in demanding environments.

In manufacturing plants, 43131-43312 Bearing supports machinery like presses and rollers, ensuring smooth operation. Its ABEC-1 rating strikes a balance between precision and cost-effectiveness for general industrial use.

Built for Heavy-Duty Use: 43131-43312 Bearing
43131-43312 Bearing excels in applications like forklifts and cranes, where its tapered rollers manage heavy loads with ease. The chrome steel rollers and rings resist wear, extending service life.

For forestry equipment, 43131-43312 Bearing’s temperature range (-30° to 110°C) ensures reliability in varying climates. The standard radial clearance adapts well to thermal expansion during operation.

Automotive vs Aerospace: Applications of 43131-43312 Bearing
In automotive settings, 43131-43312 Bearing is ideal for drivetrain components, offering dependable performance under stress. Its compatibility with Timken models simplifies sourcing for repairs.

For aerospace ground support equipment, 43131-43312 Bearing provides sturdy load support without the need for specialised bearings. The inch measurements align with many US-made machinery standards.