TS (Single Row Tapered Roller Bearings) (Imperial) 47688-47620A

The 47688-47620A is a single-row tapered roller bearing with a 3.28″ bore and 5.25″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 48100 lbf radially and 8640 lbf in thrust, making it a sturdy choice for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures reliable performance under stress. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for use in industrial machinery, automotive systems, or construction equipment where robust load handling is needed.

Weighing 3.7 lb, it’s built to last while maintaining a manageable size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 47688-47620A
Brand TFL
Interchangeable Timken
Size 3.2813" x 5.25" x 1.3126"
Bore Dia 3.2813"
Bore Dia Tolerance +0.001" to 0
Outer Dia 5.25"
Outer Dia Tolerance +0.001" to 0
Cone Width 1.3125"
Cone Width Tolerance +0.003" to -0.01
Cup Width 1.0313"
Cup Width Tolerance +0.002" to -0.01
Width 1.3126"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.14"
Cup Backface ToClear Radius 0.03"
Cone Frontface Backing Diameter 4.4"
Cone Backface Backing Diameter 3.82"
Cup Frontface Backing Diameter 5.08"
Cup Backface Backing Diameter 4.76"
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 47620A
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 3.7 lb

Features

Performance Features of 47688-47620A Bearing

47688-47620A Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 48,100 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 47688-47620A Bearing Engineered for Reliability?

47688-47620A Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction provides excellent strength and resistance to wear over time.
Its standard radial clearance allows for smooth operation in diverse industrial settings.
Lubrication is required to maintain peak performance and extend service life.

Designed for Durability: 47688-47620A Bearing

47688-47620A Bearing’s tapered roller design ensures efficient load distribution, reducing stress on components.
The steel cage maintains roller positioning, contributing to consistent performance under heavy loads.
With a static radial load capacity of 58,900 lbf, it excels in demanding applications.
Its ABEC-1 rating guarantees reliable precision for industrial use.

Steel vs Ceramic Bearings: Strengths of 47688-47620A Bearing

47688-47620A Bearing uses chrome steel for both rings and rollers, offering a balance of strength and cost-effectiveness.
This material choice provides excellent wear resistance compared to ceramic options in heavy-load scenarios.
The bearing’s dynamic thrust rating of 8,640 lbf ensures reliable performance in combined load situations.
Its standard radial clearance makes it versatile for various industrial applications.

Application

Industrial Uses of 47688-47620A Bearing
The 47688-47620A Bearing is commonly used in heavy machinery like construction equipment and mining tools, where its tapered roller design handles combined loads efficiently.
Its chrome steel construction ensures durability even in demanding environments, making it a reliable choice for industrial applications.

Where Is 47688-47620A Bearing Used?
You’ll often find 47688-47620A Bearing in automotive applications, particularly in wheel hubs and differential systems, where its combined load capacity is essential.
The inch sizing makes it compatible with many North American vehicle models, offering a straightforward replacement option.

Built for Heavy-Duty Use: 47688-47620A Bearing
In agricultural machinery, 47688-47620A Bearing supports components like gearboxes and PTO shafts, thanks to its robust design and high load ratings.
The open seal type allows for easy lubrication, which is crucial in dusty or high-wear environments.

Automotive vs Aerospace: Applications of 47688-47620A Bearing
While 47688-47620A Bearing is popular in automotive systems, it’s also found in some aerospace ground support equipment, where precision and reliability are key.
The ABEC-1 rating ensures consistent performance without the need for ultra-high precision, making it cost-effective for these uses.

Key Fields for 47688-47620A Bearing
Railway applications benefit from 47688-47620A Bearing’s ability to handle heavy radial and thrust loads, such as in axle boxes and traction motors.
The standard radial clearance option provides a good balance between performance and ease of installation.