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TS (Single Row Tapered Roller Bearings) (Imperial) M667948-M667911

TS (Single Row Tapered Roller Bearings) (Imperial) M667948-M667911

The M667948-M667911 is a single-row tapered roller bearing with a 16.125″ bore and 21.5″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 380,000 lbf radially and 70,400 lbf thrust, making it suitable for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under high stress. 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 large equipment where robust performance is needed.

Weighing 118.3 lb, it’s designed for stability and long service life. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number M667948-M667911
  • Brand TFL
  • Interchangeable Timken
  • Size 16.125" x 21.5" x 3.4375"
  • Bore Dia 16.125"
  • 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 18.35"
  • Cone Backface Backing Diameter 17.32"
  • Cup Frontface Backing Diameter 20.91"
  • Cup Backface Backing Diameter 20.08"
  • Cage Cone Frontface Clearance 0.19"
  • Cage Cone Backface Clearance 0.33"
  • Effective Center Location 0.7"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number M667948
  • 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 Steel
  • Dynamic Radial Load 380000 lbf
  • Static Radial Load 768000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 98500 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 70400 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 118.300 lb

Features

How Does M667948-M667911 Bearing Handle Combined Loads?

M667948-M667911 Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 380,000 lbf, ensuring reliable performance in heavy-duty 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 various environmental conditions.

M667948-M667911 Bearing’s standard radial clearance allows for smooth operation under combined loads.
Its tapered roller design ensures efficient load distribution, enhancing durability and reliability.

Application

Industrial Uses of M667948-M667911 Bearing
M667948-M667911 Bearing is commonly used in heavy machinery like mining equipment and construction vehicles, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability in tough working conditions.

Where Is M667948-M667911 Bearing Used?
You’ll often find M667948-M667911 Bearing in large industrial gearboxes and power transmission systems, thanks to its high dynamic load capacity. Its inch sizing makes it a go-to choice for American-made machinery.

Built for Heavy-Duty Use: M667948-M667911 Bearing
M667948-M667911 Bearing excels in applications like agricultural machinery and railway axles, where reliability under heavy loads is key. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of M667948-M667911 Bearing
In automotive settings, M667948-M667911 Bearing supports large truck axles, while in aerospace, it’s used in landing gear systems. Its ABEC-1 rating ensures consistent performance across different industries.

Perfect Fit for Automation: M667948-M667911 Bearing
M667948-M667911 Bearing is ideal for automated production lines, particularly in steel mills and paper processing plants. The steel cage provides stability during high-speed operations.

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