TS (Single Row Tapered Roller Bearings) (Imperial) M667947-M667911

The M667947-M667911 is a single-row tapered roller bearing with a 16.125″ bore and 21.5″ outer diameter, built from tough 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 or large equipment where high radial and thrust loads are present.

Weighing 123 lb, it’s a robust choice for demanding environments. Compliant with RoHS and REACH standards for safe use.

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Description

Features

Application

Q&A

Product Parameters

Part Number M667947-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 0.24"
Effective Center Location 0.7"
System of Measurement Inch
Type Bearing
Cone Part Number M667947
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 123.000 lb

Features

How Is M667947-M667911 Bearing Engineered for Reliability?

M667947-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 industrial applications.

The pin-type cage ensures proper roller alignment, reducing friction and enhancing durability.
With a standard radial clearance, it provides reliable operation in various conditions.

M667947-M667911 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its precision design meets ABEC-1 standards, ensuring consistent performance.

The bearing requires lubrication, which helps maintain smooth operation over time.
Its construction is tailored for long service life, even in demanding environments.

Application

Industrial Uses of M667947-M667911 Bearing
M667947-M667911 Bearing is commonly used in heavy machinery like mining equipment and construction vehicles, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in tough working conditions.

Where Is M667947-M667911 Bearing Used?
You’ll often find M667947-M667911 Bearing in large industrial gearboxes and power transmission systems. Its high dynamic radial load capacity makes it reliable for continuous operation in demanding environments.

Built for Heavy-Duty Use: M667947-M667911 Bearing
M667947-M667911 Bearing excels in applications like railway axles and marine propulsion systems, where stability under heavy loads is crucial. The pin-type cage design helps maintain roller alignment for smooth performance.

Automotive vs Aerospace: Applications of M667947-M667911 Bearing
In automotive settings, M667947-M667911 Bearing supports large truck axles, while in aerospace, it’s used in landing gear systems. Its inch sizing makes it compatible with many North American industrial standards.

Key Fields for M667947-M667911 Bearing
M667947-M667911 Bearing is a go-to choice for wind turbine generators due to its ability to handle high radial and thrust loads. The standard radial clearance options allow for flexibility in different operating conditions.