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TS (Single Row Tapered Roller Bearings) (Imperial) 4A-7

TS (Single Row Tapered Roller Bearings) (Imperial) 4A-7

The 4A-7 is a single-row tapered roller bearing with a 0.75″ bore and 1.9352″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 4550 lbf and works well in temperatures from -30°C to 110°C.

Its open design allows easy lubrication, while the steel cage ensures durability. The bearing is interchangeable with Timken models, making it a practical choice for replacements.

This bearing suits applications like vehicle axles or industrial gearboxes where combined loads are common. It comes in standard radial clearance but is also available in C3, C4, or C5 options.

Weighing just 0.4lb, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it meets ABEC-1 precision requirements for reliable performance.

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Product Parameters

  • Part Number 4A-7
  • Brand TFL
  • Interchangeable Timken
  • Size 0.75" x 1.9352" x 0.7189"
  • Bore Dia 0.75"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 1.9352"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.4688"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.594"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.7189"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.06"
  • Cup Backface ToClear Radius 0.02"
  • Cone Frontface Backing Diameter 0.93"
  • Cone Backface Backing Diameter 1"
  • Cup Frontface Backing Diameter 1.69"
  • Cup Backface Backing Diameter 1.52"
  • Cage Cone Frontface Clearance 0.09"
  • Cage Cone Backface Clearance 0.01"
  • Effective Center Location -0.07"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 4A
  • Cup Part Number 7
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 5C
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 4550 lbf
  • Static Radial Load 4640 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 1180 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 969 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 0.4 lb

Features

Built for Reliability: 4A-7 Bearing

4A-7 Bearing features chrome steel rings and rollers, providing strong resistance to combined loads.
Its dynamic radial load capacity reaches 4550 lbf, ensuring dependable performance in various applications.

The steel cage maintains proper roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in diverse operating conditions.

4A-7 Bearing’s standard radial clearance offers flexibility for different installation needs.
Its tapered roller design efficiently handles both radial and thrust loads.

The open seal type allows for easy lubrication, ensuring smooth operation over time.
Weighing just 0.4 lb, it combines strength with manageable size for easier handling.

Application

Industrial Uses of 4A-7 Bearing
4A-7 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 demanding environments.

In automotive applications, 4A-7 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a convenient choice for older or custom vehicle models.

For industrial conveyor systems, 4A-7 Bearing’s open design allows for easy lubrication, extending its service life. The steel cage adds extra strength, making it suitable for high-load scenarios.

Where Is 4A-7 Bearing Used?
You’ll often find 4A-7 Bearing in agricultural machinery, where its robust design handles rough conditions. The tapered rollers distribute loads evenly, reducing wear over time.

In manufacturing plants, 4A-7 Bearing supports rotating shafts in presses and gearboxes. Its standard radial clearance ensures smooth operation without frequent adjustments.

Built for Heavy-Duty Use: 4A-7 Bearing
4A-7 Bearing excels in mining equipment, where its combined load capacity is put to the test. The chrome steel rollers resist deformation under extreme pressure.

For railway applications, 4A-7 Bearing’s temperature range makes it reliable in varying climates. Its ABEC-1 rating ensures consistent performance without over-engineering.

Automotive vs Aerospace: Applications of 4A-7 Bearing
In automotive systems, 4A-7 Bearing is ideal for drivetrain components due to its load-handling capabilities. The imperial sizing suits many classic car restorations.

While not typically used in aerospace, 4A-7 Bearing finds a niche in ground support equipment. Its steel cage and chrome steel construction meet industrial durability standards.

Q&A

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