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

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

The 421-414X is a single-row tapered roller bearing with a 1.378″ bore and 3.5″ 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 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 1.9 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for diverse environments.

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Product Parameters

  • Part Number 421-414X
  • Brand TFL
  • Interchangeable Timken
  • Size 1.378" x 3.5" x 1.0626"
  • Bore Dia 1.378"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.5"
  • 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 0.03"
  • Cone Frontface Backing Diameter 1.65"
  • Cone Backface Backing Diameter 1.67"
  • Cup Frontface Backing Diameter 3.18"
  • Cup Backface Backing Diameter 3.07"
  • 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 414X
  • 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

Engineered for Precision: 421-414X Bearing

421-414X Bearing features a single row tapered roller design, ideal for handling combined loads with ease.
Its chrome steel construction ensures durability and reliable performance in various applications.

The dynamic radial load capacity of 26000 lbf makes it suitable for demanding industrial environments.
With a temperature range of -30° to 110°C, it performs consistently in diverse conditions.

421-414X Bearing’s standard radial clearance offers flexibility for different operational needs.
Its steel cage maintains roller alignment, reducing wear and extending service life.

Application

Industrial Uses of 421-414X Bearing
The 421-414X Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

Where Is 421-414X Bearing Used?
You’ll often find 421-414X Bearing in automotive applications, particularly in wheel hubs and differential systems, where its robust design supports both radial and thrust loads. The inch sizing makes it a good fit for American-made vehicles.

Built for Heavy-Duty Use: 421-414X Bearing
In conveyor systems and industrial fans, 421-414X Bearing provides reliable performance thanks to its steel cage and standard radial clearance. Its open design allows for easy lubrication, extending service life.

Automotive vs Aerospace: Applications of 421-414X Bearing
While 421-414X Bearing is popular in truck axles and off-road vehicles, it’s also suited for aerospace ground support equipment. The ABEC-1 rating ensures consistent performance without over-engineering for less critical applications.

Perfect Fit for Automation: 421-414X Bearing
In robotic arms and assembly line equipment, 421-414X Bearing offers smooth operation under varying loads. Its tapered rollers reduce friction, making it ideal for repetitive motion tasks.

Q&A

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