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TS (Single Row Tapered Roller Bearings) (Imperial) M667944-M667911

TS (Single Row Tapered Roller Bearings) (Imperial) M667944-M667911

The M667944-M667911 is a single-row tapered roller bearing with a 16″ bore and 21.5″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 420,000 lbf radially and 77,800 lbf thrust, making it suitable for heavy-duty applications.

Its pin-type cage design ensures smooth operation, while the open seal allows for easy lubrication. The bearing can withstand temperatures from -30°C to 110°C, ideal for harsh environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Perfect for industrial machinery or large equipment where high radial and thrust loads are common.

Weighing 126 lb, it’s robust and durable for long-term use. Compliant with RoHS and REACH standards, ensuring safe and eco-friendly performance.

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Product Parameters

  • Part Number M667944-M667911
  • Brand TFL
  • Interchangeable Timken
  • Size 16" x 21.5" x 3.4375"
  • Bore Dia 16"
  • Bore Dia Tolerance +0.002" to 0
  • Outer Dia 21.5"
  • Outer Dia Tolerance +0.002" to 0
  • Cone Width 3.4375"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 2.6875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 3.4375"
  • Width Tolerance +0.015" to -0.015"
  • Cone Backface ToClear Radius 0.25"
  • Cup Backface ToClear Radius 0.250"
  • Cone Frontface Backing Diameter 18.23"
  • Cone Backface Backing Diameter 17.24"
  • Cup Frontface Backing Diameter 20.91"
  • Cup Backface Backing Diameter 20.08"
  • Cage Cone Frontface Clearance 0.19"
  • Cage Cone Backface Clearance 0.24"
  • Effective Center Location 0.7"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number M667944
  • Cup Part Number M667911
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series M667900
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Pin-Type
  • Dynamic Radial Load 420000 lbf
  • Static Radial Load 886000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 109000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 77800 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 126 lb

Features

Performance Features of M667944-M667911 Bearing

M667944-M667911 Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 420,000 lbf, making it suitable for heavy-duty applications.
The pin-type cage ensures proper roller alignment, enhancing durability and reducing friction.
With a temperature range of -30° to 110°C, it performs reliably in various operating conditions.

How Is M667944-M667911 Bearing Engineered for Reliability?

M667944-M667911 Bearing features a tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction provides excellent wear resistance, extending the bearing’s service life.
Its standard radial clearance allows for smooth operation, even under high loads.
The bearing’s ABEC-1 rating ensures consistent performance in industrial applications.

Built for Durability: M667944-M667911 Bearing

M667944-M667911 Bearing’s single-row construction offers a compact design while maintaining high load capacity.
The precise tolerances on bore and outer diameters ensure a perfect fit in demanding applications.
With a static radial load rating of 886,000 lbf, it delivers reliable performance in heavy machinery.
The open seal type facilitates easy lubrication, keeping maintenance straightforward.

Steel vs Ceramic Bearings: Strengths of M667944-M667911 Bearing

M667944-M667911 Bearing uses chrome steel for both rings and rollers, providing excellent strength and durability.
This material choice ensures superior performance in high-load scenarios compared to ceramic alternatives.
The bearing’s dynamic thrust rating of 77,800 lbf demonstrates its capability in thrust applications.
Its standard radial clearance options (C3/C4/C5) allow for flexibility in different operating conditions.

Application

Industrial Uses of M667944-M667911 Bearing
M667944-M667911 Bearing is commonly used in heavy machinery like mining equipment and construction vehicles, where its tapered roller design handles combined loads efficiently. The large imperial sizing makes it ideal for applications requiring robust support.

In automotive settings, M667944-M667911 Bearing fits well in large truck axles and drivetrains, ensuring smooth operation under high radial and thrust loads. Its chrome steel construction offers durability in demanding conditions.

For industrial conveyors, M667944-M667911 Bearing’s pin-type cage design reduces friction, extending service life in continuous operation. The standard radial clearance allows for easy installation and maintenance.

Where Is M667944-M667911 Bearing Used?
M667944-M667911 Bearing is often found in agricultural machinery, such as tractors and harvesters, where its ability to handle heavy loads is crucial. The open seal type simplifies lubrication in dusty environments.

In railway applications, M667944-M667911 Bearing supports axle boxes, providing reliable performance under constant vibration. Its ABEC-1 rating ensures consistent precision for smooth rail travel.

Built for Heavy-Duty Use: M667944-M667911 Bearing
M667944-M667911 Bearing excels in steel mills, where high temperatures and heavy loads are common. The chrome steel rollers resist wear, even in extreme conditions.

For wind turbine gearboxes, M667944-M667911 Bearing’s dynamic load capacity ensures long-term reliability. The tapered design helps distribute loads evenly, reducing stress on components.

Automotive vs Aerospace: Applications of M667944-M667911 Bearing
In automotive heavy-duty trucks, M667944-M667911 Bearing handles the rigorous demands of long-haul transport. Its static radial load capacity ensures stability under heavy cargo.

For aerospace ground equipment, M667944-M667911 Bearing’s precision and durability make it suitable for aircraft tow tractors. The inch sizing aligns with standard aerospace tooling requirements.

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