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TS (Single Row Tapered Roller Bearings) (Imperial) M667935-M667911

TS (Single Row Tapered Roller Bearings) (Imperial) M667935-M667911

The M667935-M667911 is a single-row tapered roller bearing with a 15.246″ 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 operates well 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, gearboxes, or large equipment where high radial and thrust loads are present.

Weighing 144 lb, it’s a robust choice for demanding environments. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number M667935-M667911
  • Brand TFL
  • Interchangeable Timken
  • Size 15.246" x 21.5" x 3.4375"
  • Bore Dia 15.246"
  • 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 17.68"
  • Cone Backface Backing Diameter 16.69"
  • 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 M667935
  • 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 144.000 lb

Features

Performance Features of M667935-M667911 Bearing

M667935-M667911 Bearing is built with chrome steel rings and rollers, offering strong resistance to 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, reducing friction and enhancing durability.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

M667935-M667911 Bearing’s standard radial clearance allows for flexibility in different operational setups.
Its robust construction and precise tolerances ensure long service life and consistent performance.

Application

Industrial Uses of M667935-M667911 Bearing
M667935-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 even in tough working conditions.
In industrial gearboxes, M667935-M667911 Bearing provides reliable support for high-torque applications, thanks to its large bore and robust dynamic load capacity. The open design allows for easy lubrication, extending service life in continuous operation.

Where Is M667935-M667911 Bearing Used?
You’ll often find M667935-M667911 Bearing in large agricultural equipment, particularly in tractor transmissions and harvesters. Its imperial sizing makes it compatible with older American machinery still in use today.
The bearing also works well in railway applications, supporting axle loads where stability and longevity are key requirements. The pin-type cage helps maintain proper roller alignment during heavy use.

Built for Heavy-Duty Use: M667935-M667911 Bearing
M667935-M667911 Bearing excels in oilfield equipment like pump jacks and drilling rigs, where its massive load capacity handles extreme pressures. The standard radial clearance offers good performance across various temperature ranges.
For wind turbine applications, this bearing’s combination of size and strength makes it suitable for main shaft support. The ABEC-1 rating provides sufficient precision for most industrial renewable energy systems.

Automotive vs Aerospace: Applications of M667935-M667911 Bearing
In heavy truck applications, M667935-M667911 Bearing supports rear axles and differential systems, handling both highway and off-road conditions. The tapered roller design manages vehicle weight and cornering forces effectively.
While not typically used in aerospace, this bearing finds purpose in ground support equipment at airports, such as baggage handling systems and fuel trucks, where its durability shines.

Q&A

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