+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
TS (Single Row Tapered Roller Bearings) (Imperial) 43125-43300

TS (Single Row Tapered Roller Bearings) (Imperial) 43125-43300

The 43125-43300 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 20700 lbf radially and 6130 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 just 1.1 lb, it’s lightweight yet robust. Compliant with RoHS and REACH standards for safe and eco-friendly use.

The standard radial clearance ensures easy installation, with options for C3, C4, or C5 clearances if needed. Its ABEC-1 rating provides dependable precision for most general-purpose applications.

Perfect for scenarios requiring a balance of radial and thrust load capacity, such as gearboxes or wheel hubs. The tapered roller design ensures even load distribution for longer service life.

Maintenance is straightforward thanks to the open seal type, allowing for regular greasing. The chrome steel construction resists wear, even in demanding conditions.

Suitable for both new installations and replacements, this bearing offers a cost-effective solution without compromising performance. Its compact size (0.9688″ width) fits well in space-constrained setups.

The precise tolerances ensure reliable operation, while the standard cup type simplifies integration into existing systems. A practical choice for engineers seeking a durable, versatile bearing.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 43125-43300
  • Brand TFL
  • Interchangeable Timken
  • Size 1.25" x 3" x 0.9688"
  • Bore Dia 1.25"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.9478"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.6563"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.9688"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.06"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 1.63"
  • Cone Backface Backing Diameter 1.73"
  • Cup Frontface Backing Diameter 2.91"
  • Cup Backface Backing Diameter 2.52"
  • 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 43125
  • Cup Part Number 43300
  • 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 1.1 lb

Features

Why Choose 43125-43300 Bearing for Combined Loads?

43125-43300 Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 20,700 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.

43125-43300 Bearing requires lubrication, ensuring smooth operation and reduced wear over time.
Its standard radial clearance options provide flexibility for different installation needs.

Application

Industrial Uses of 43125-43300 Bearing
43125-43300 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in tough working conditions.

What Makes 43125-43300 Bearing a Preferred Choice?
In automotive applications, 43125-43300 Bearing fits well in wheel hubs and drivetrains, thanks to its precise imperial sizing. Its open design allows for easy lubrication, extending service life in high-mileage vehicles.

Built for Heavy-Duty Use: 43125-43300 Bearing
This bearing excels in industrial gearboxes, where its dynamic load capacity keeps operations smooth under constant stress. The steel cage adds extra resilience, making it reliable for long-term use.

Automotive vs Aerospace: Applications of 43125-43300 Bearing
While 43125-43300 Bearing is popular in truck axles, its precision also suits aerospace landing gear components. The ABEC-1 rating ensures consistent performance across different speed requirements.

Key Fields for 43125-43300 Bearing
You’ll find 43125-43300 Bearing in agricultural machinery, where its standard radial clearance accommodates varying load conditions. The inch measurements make it compatible with older equipment still using imperial systems.

Q&A

SEND INQUIRY