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TS (Single Row Tapered Roller Bearings) (Imperial) 421-414A

TS (Single Row Tapered Roller Bearings) (Imperial) 421-414A

The 421-414A is a single-row tapered roller bearing with a 1.378″ bore and 3.4843″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 26000 lbf radially and 3040 lbf thrust, making it versatile for various applications.

Its open design allows 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 1.900 lb, it’s robust yet manageable for its size. 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 available. Its ABEC-1 rating provides dependable precision for most general 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.

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Product Parameters

  • Part Number 421-414A
  • Brand TFL
  • Interchangeable Timken
  • Size 1.378" x 3.4843" x 1.0626"
  • Bore Dia 1.378"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.4843"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.145"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.0626"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 1.65"
  • Cone Backface Backing Diameter 1.67"
  • Cup Frontface Backing Diameter 3.18"
  • Cup Backface Backing Diameter 2.99"
  • Cage Cone Frontface Clearance 0.06"
  • Cage Cone Backface Clearance 0.03"
  • Effective Center Location -0.38"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 421
  • Cup Part Number 414A
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 415
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 26000 lbf
  • Static Radial Load 28000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 6740 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3040 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 1.900 lb

Features

Why Choose 421-414A Bearing for Precision Tasks?

421-414A Bearing features a single row tapered roller design, ideal for handling combined loads with precision.
Its chrome steel construction ensures durability and reliable performance under dynamic radial loads up to 26,000 lbf.
The standard radial clearance and ABEC-1 rating make it suitable for applications requiring consistent accuracy.
With a temperature range of -30° to 110°C, it performs well in various operating conditions.

How Is 421-414A Bearing Engineered for Reliability?

421-414A Bearing’s chrome steel rollers and rings provide excellent resistance to wear and fatigue.
The steel cage maintains proper roller alignment, enhancing stability and extending service life.
Its dynamic thrust rating of 3,040 lbf ensures dependable performance in demanding environments.
Designed for combined loads, it offers versatility across multiple industrial applications.

Built for Durability: 421-414A Bearing

421-414A Bearing is crafted from high-quality chrome steel, offering robust strength and longevity.
The tapered roller design efficiently distributes loads, reducing stress on individual components.
With a static radial load capacity of 28,000 lbf, it handles heavy-duty operations with ease.
Its open construction allows for easy lubrication, ensuring smooth operation over time.

What Makes 421-414A Bearing Suitable for High-Temperature Applications?

421-414A Bearing operates reliably in temperatures ranging from -30° to 110°C.
The chrome steel materials resist thermal deformation, maintaining performance under heat.
Its tapered roller design ensures even load distribution, preventing overheating during use.
Regular lubrication further enhances its ability to function in high-temperature environments.

Structural Advantages of 421-414A Bearing

421-414A Bearing’s single row tapered rollers provide excellent load-carrying capacity.
The precise cone and cup dimensions ensure proper fit and alignment in assemblies.
With a dynamic radial rating of 6,740 lbf, it delivers consistent performance over time.
Its standard radial clearance options allow for flexibility in various applications.

Application

Industrial Uses of 421-414A Bearing
The 421-414A Bearing is a reliable choice for heavy machinery, such as construction equipment and agricultural gear, where combined loads are common. Its tapered roller design handles both radial and thrust forces efficiently.

In automotive applications, 421-414A Bearing fits well in wheel hubs and differential systems, thanks to its durable chrome steel construction. The inch sizing makes it compatible with many North American vehicle models.

For industrial conveyor systems, 421-414A Bearing’s open design allows easy lubrication, ensuring smooth operation in demanding environments. The steel cage adds extra strength, making it suitable for high-load scenarios.

Where Is 421-414A Bearing Used?
You’ll often find 421-414A Bearing in mining equipment, where its ability to handle heavy loads and harsh conditions is invaluable. The standard radial clearance ensures consistent performance over time.

In power transmission systems, 421-414A Bearing supports shafts and gears, providing stability under varying loads. Its ABEC-1 rating balances precision and cost-effectiveness for general industrial use.

Built for Heavy-Duty Use: 421-414A Bearing
The 421-414A Bearing excels in forestry machinery, where its robust design withstands rough terrain and frequent shocks. The chrome steel rollers offer excellent wear resistance.

In material handling equipment, 421-414A Bearing’s tapered rollers distribute loads evenly, reducing wear and extending service life. Its compatibility with Timken models simplifies replacements.

Automotive vs Aerospace: Applications of 421-414A Bearing
In automotive settings, 421-414A Bearing is ideal for drivetrain components, offering reliable performance under combined loads. Its inch measurements suit many classic and modern vehicles.

For aerospace ground support equipment, 421-414A Bearing provides dependable operation in load-handling systems. The standard lubrication requirement ensures easy maintenance in busy environments.

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