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TS (Single Row Tapered Roller Bearings) (Imperial) 18685-18620

TS (Single Row Tapered Roller Bearings) (Imperial) 18685-18620

The 18685-18620 is a single-row tapered roller bearing with a 1.75″ bore and 3.125″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 11700 lbf radially and 1940 lbf thrust, making it versatile for various applications.

Its open design allows easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for demanding environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for use in gearboxes, axles, or industrial machinery where combined loads are common.

Weighing just 0.8 lb, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it’s a safe choice for most industrial applications.

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Product Parameters

  • Part Number 18685-18620
  • Brand TFL
  • Interchangeable Timken
  • Size 1.75" x 3.125" x 0.6875"
  • Bore Dia 1.75"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.125"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.6875"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.5313"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.6875"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.110"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 1.95"
  • Cone Backface Backing Diameter 2.13"
  • Cup Frontface Backing Diameter 2.94"
  • Cup Backface Backing Diameter 2.8"
  • Cage Cone Frontface Clearance 0.09"
  • Cage Cone Backface Clearance 0.01"
  • Effective Center Location -0.08"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 18685
  • Cup Part Number 18620
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 18600
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 11700 lbf
  • Static Radial Load 13800 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 3030 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 1940 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 0.8 lb

Features

Performance Features of 18685-18620 Bearing

18685-18620 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 11,700 lbf, ensuring reliable performance in various applications.
The steel cage maintains proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in diverse environments.

How Does 18685-18620 Bearing Reduce Friction?

18685-18620 Bearing features a tapered roller design that minimises friction during operation.
The chrome steel construction ensures smooth movement, even under heavy combined loads.
Proper lubrication further enhances its efficiency, reducing wear over time.
This design makes it suitable for applications requiring both radial and thrust load support.

Built for Reliability: 18685-18620 Bearing

18685-18620 Bearing’s single row construction provides stable performance in demanding conditions.
Its standard radial clearance allows for consistent operation across various applications.
The chrome steel components resist wear, maintaining precision over extended periods.
With an ABEC-1 rating, it balances quality and affordability for industrial use.

Steel vs Ceramic Bearings: Strengths of 18685-18620 Bearing

18685-18620 Bearing uses chrome steel for both rollers and rings, offering excellent durability.
This material choice provides cost-effective performance without compromising on strength.
The steel cage ensures proper roller spacing, enhancing load distribution.
While ceramic options exist, this bearing delivers reliable performance for most industrial needs.

Application

Industrial Uses of 18685-18620 Bearing
18685-18620 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in tough working conditions.

Where Is 18685-18620 Bearing Used?
You’ll often find 18685-18620 Bearing in automotive axles and wheel hubs, thanks to its ability to manage both radial and thrust loads. Its imperial sizing makes it a straightforward fit for many American-made vehicles.

Built for Heavy-Duty Use: 18685-18620 Bearing
18685-18620 Bearing excels in industrial conveyor systems, where its open design allows for easy lubrication and maintenance. The steel cage adds extra strength, making it reliable for continuous operation.

Automotive vs Aerospace: Applications of 18685-18620 Bearing
In automotive settings, 18685-18620 Bearing supports drivetrain components, while in aerospace, it’s used in landing gear systems. Its ABEC-1 rating ensures consistent performance across different applications.

Perfect Fit for Automation: 18685-18620 Bearing
18685-18620 Bearing works well in automated machinery like packaging lines, where precision and load capacity are key. The standard radial clearance option provides flexibility for various operational needs.

Q&A

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