TS (Single Row Tapered Roller Bearings) (Imperial) 47688-47621

The 47688-47621 is a single-row tapered roller bearing with a 3.28″ bore and 5.51″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 48100 lbf radially and 8640 lbf thrust, making it versatile for heavy-duty use.

Its open design allows easy lubrication, while the steel cage ensures durability under high stress. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for various industrial conditions.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for applications like truck axles or heavy machinery where both radial and thrust loads are present.

Weighing 4.6 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

The standard radial clearance and ABEC-1 rating ensure consistent performance. Its tapered roller design provides efficient load distribution, reducing wear over time.

Perfect for maintenance or new installations in demanding environments. The precise tolerances and durable materials make it a dependable choice for long-term use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 47688-47621
Brand TFL
Interchangeable Timken
Size 3.2813" x 5.5115" x 1.4376"
Bore Dia 3.2813"
Bore Dia Tolerance +0.001" to 0
Outer Dia 5.5115"
Outer Dia Tolerance +0.001" to 0
Cone Width 1.3125"
Cone Width Tolerance +0.003" to -0.01
Cup Width 1.1563"
Cup Width Tolerance +0.002" to -0.01
Width 1.4376"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.14"
Cup Backface ToClear Radius 0.130"
Cone Frontface Backing Diameter 4.4"
Cone Backface Backing Diameter 3.82"
Cup Frontface Backing Diameter 5.16"
Cup Backface Backing Diameter 4.80"
Cage Cone Frontface Clearance 0.12"
Cage Cone Backface Clearance 0.08"
Effective Center Location -0.17"
System of Measurement Inch
Type Bearing
Cone Part Number 47688
Cup Part Number 47621
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 47600
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 48100 lbf
Static Radial Load 58900 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 12500 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 8640 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 4.6 lb

Features

How Does 47688-47621 Bearing Handle Combined Loads?

47688-47621 Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 48,100 lbf, ensuring reliable performance in demanding conditions.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

Why Choose 47688-47621 Bearing for Precision Tasks?

47688-47621 Bearing features precise tolerances, with bore and outer diameter tolerances of +0.001″ to 0.
Its tapered roller design ensures smooth operation under combined loads, ideal for precision applications.
The chrome steel construction provides durability, while the standard radial clearance offers flexibility.
This bearing is interchangeable with Timken models, making it a versatile choice.

Engineered for Reliability: 47688-47621 Bearing

47688-47621 Bearing’s single-row tapered roller design enhances load distribution and reliability.
The chrome steel rollers and rings resist wear, maintaining performance over time.
With a static radial load capacity of 58,900 lbf, it handles heavy-duty applications with ease.
Its ABEC-1 rating ensures consistent precision in various industrial uses.

Application

Industrial Uses of 47688-47621 Bearing
The 47688-47621 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability in demanding environments.

In automotive applications, 47688-47621 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The inch sizing makes it compatible with many North American vehicle models.

For industrial conveyor systems, 47688-47621 Bearing’s open design allows for easy lubrication, extending service life in high-use scenarios. The steel cage adds extra strength, making it suitable for continuous operation.

Why Is 47688-47621 Bearing Essential in Machinery?
47688-47621 Bearing plays a key role in mining equipment, where its ability to handle radial and thrust loads keeps operations running smoothly. The standard radial clearance offers flexibility for different setups.

In power transmission systems, 47688-47621 Bearing’s robust design ensures stability under high torque. Its ABEC-1 rating provides a balance of precision and cost-effectiveness for general industrial use.

Built for Heavy-Duty Use: 47688-47621 Bearing
47688-47621 Bearing is ideal for forestry machinery, where its tapered rollers manage uneven loads and shocks effectively. The chrome steel rollers resist wear, even in harsh conditions.

For railroad applications, 47688-47621 Bearing’s durability makes it a reliable choice for axle boxes. Its temperature range ensures performance in both hot and cold climates.

Automotive vs Aerospace: Applications of 47688-47621 Bearing
In automotive settings, 47688-47621 Bearing is often found in truck drivetrains, where its strength supports heavy loads. The inch measurements simplify replacements in older vehicles.

For aerospace ground equipment, 47688-47621 Bearing’s reliability is valued in maintenance tools and loading systems. Its compliance with RoHS and REACH standards adds to its versatility.