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

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

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

Its open design allows easy 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 heavy-duty machinery or automotive systems where combined loads are common.

Weighing 1.900 lb, it offers a robust build for its size. Compliant with RoHS and REACH standards for safe use.

The standard radial clearance and ABEC-1 rating provide reliable performance. Its tapered rollers ensure efficient load distribution, extending service life.

Perfect for industrial gearboxes or axle systems, where durability and precision are key. The inch-sized dimensions make it compatible with imperial machinery.

Easy to maintain and install, it’s a dependable option for engineers and repair teams alike. The chrome steel construction resists wear, even under heavy use.

Suitable for environments with fluctuating temperatures, thanks to its wide operating range. A versatile choice for various mechanical setups requiring combined load handling.

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Product Parameters

  • Part Number 421-414
  • Brand TFL
  • Interchangeable Timken
  • Size 1.378" x 3.4843" x 1.0625"
  • 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 1.0625"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 1.65"
  • Cone Backface Backing Diameter 1.67"
  • Cup Frontface Backing Diameter 3.18"
  • Cup Backface Backing Diameter 3.03"
  • 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 414
  • 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

Performance Features of 421-414 Bearing

421-414 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 26,000 lbf, making it suitable for heavy-duty applications.

The steel cage ensures proper roller alignment, reducing friction and wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

421-414 Bearing’s standard radial clearance allows for smooth operation and easy installation.
The tapered roller design enhances load distribution, extending service life.

Application

Industrial Uses of 421-414 Bearing
The 421-414 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in tough working conditions.
In automotive applications, 421-414 Bearing fits well in wheel hubs and differential systems, providing reliable performance under radial and thrust loads. The inch sizing makes it compatible with many North American vehicle models.
For industrial conveyor systems, 421-414 Bearing’s open design allows for easy lubrication, extending service life in high-load environments. The steel cage adds extra strength, making it suitable for continuous operation.

What Makes 421-414 Bearing a Preferred Choice?
The 421-414 Bearing is a go-to option for mining equipment, where its robust design withstands harsh conditions and heavy loads. Its standard radial clearance ensures smooth operation even in dusty environments.
In power transmission systems, 421-414 Bearing supports shafts and gears, offering stability under dynamic loads. The ABEC-1 rating provides a good balance of precision and affordability for general industrial use.

Built for Heavy-Duty Use: 421-414 Bearing
The 421-414 Bearing excels in forestry machinery, handling both radial and axial loads with ease. Its chrome steel rollers and rings resist wear, even in high-stress applications.
For railway applications, 421-414 Bearing’s tapered design ensures reliable performance in freight car axles. The steel cage enhances durability, making it a practical choice for long-haul transport.

Automotive vs Industrial: Applications of 421-414 Bearing
In automotive settings, 421-414 Bearing is often found in truck wheel ends, where its combined load capacity is essential. The inch measurements simplify installation in older vehicle models.
For industrial pumps, 421-414 Bearing provides steady performance under varying loads. Its open design allows for easy maintenance, reducing downtime in critical systems.

Key Fields for 421-414 Bearing
The 421-414 Bearing is widely used in material handling equipment, such as forklifts and cranes, due to its high dynamic load rating. Its chrome steel components resist corrosion in outdoor applications.
In wind turbine gearboxes, 421-414 Bearing’s tapered rollers distribute loads evenly, enhancing longevity. The standard radial clearance ensures smooth rotation even under fluctuating wind conditions.

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