TS (Single Row Tapered Roller Bearings) (Imperial) HM88648X-HM88612

The HM88648X-HM88612 is a single-row tapered roller bearing with a 1.4062″ bore and 2.875″ outer diameter, built from sturdy chrome steel. It handles combined loads, supporting up to 17300 lbf dynamically and 21200 lbf statically.

Its open design allows easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, making it versatile for various conditions.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for heavy-duty applications like axles or gearboxes where combined loads are common.

Weighing just 1.1 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for industrial use.

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Description

Features

Application

Q&A

Product Parameters

Part Number HM88648X-HM88612
Brand TFL
Interchangeable Timken
Size 1.4062" x 2.875" x 1.0449"
Bore Dia 1.4062"
Bore Dia Tolerance +0.005" to 0
Outer Dia 2.875"
Outer Dia Tolerance +0.001" to 0
Cone Width 1"
Cone Width Tolerance +0.003" to -0.01
Cup Width 0.8262"
Cup Width Tolerance +0.002" to -0.01
Width 1.0449"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.03"
Cup Backface ToClear Radius 0.090"
Cone Frontface Backing Diameter 1.67"
Cone Backface Backing Diameter 1.93"
Cup Frontface Backing Diameter 2.74"
Cup Backface Backing Diameter 2.36"
Cage Cone Frontface Clearance 0.1"
Cage Cone Backface Clearance 0.04"
Effective Center Location -0.18"
System of Measurement Inch
Type Bearing
Cone Part Number HM88648X
Cup Part Number HM88612
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series HM88600
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 17300 lbf
Static Radial Load 21200 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 4480 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4180 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 1.1 lb

Features

How Does HM88648X-HM88612 Bearing Handle Combined Loads?

HM88648X-HM88612 Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 17,300 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.

What Makes HM88648X-HM88612 Bearing Suitable for High-Load Applications?

HM88648X-HM88612 Bearing features a tapered roller design, optimised for handling combined loads efficiently.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its static radial load capacity of 21,200 lbf makes it ideal for heavy-duty machinery.
The open seal type allows for easy lubrication, maintaining performance over time.

Engineered for Precision: HM88648X-HM88612 Bearing

HM88648X-HM88612 Bearing is precision-crafted with a single row tapered roller design for accurate load distribution.
The effective center location of -0.18″ enhances stability and reduces vibration during operation.
Its ABEC-1 rating ensures consistent performance in industrial applications.
The steel cage and chrome steel rollers work together to minimise wear and extend service life.

Steel vs Ceramic Bearings: Strengths of HM88648X-HM88612 Bearing

HM88648X-HM88612 Bearing uses chrome steel for both rings and rollers, offering excellent strength and durability.
This material choice ensures reliable performance under high dynamic and static loads.
The steel cage provides robust support, keeping rollers aligned for smooth operation.
With a wide temperature range, it adapts well to various working conditions.

Application

Industrial Uses of HM88648X-HM88612 Bearing
HM88648X-HM88612 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively.
The chrome steel construction ensures durability even in demanding environments with frequent load changes.

Where Is HM88648X-HM88612 Bearing Used?
You’ll often find HM88648X-HM88612 Bearing in automotive axles and wheel hubs, thanks to its ability to manage both radial and thrust loads.
Its inch sizing makes it a straightforward fit for many American-made vehicles and industrial systems.

Built for Heavy-Duty Use: HM88648X-HM88612 Bearing
HM88648X-HM88612 Bearing excels in conveyor systems and mining equipment, where reliability under constant stress is key.
The open design allows for easy lubrication, extending its service life in gritty conditions.

Automotive vs Aerospace: Applications of HM88648X-HM88612 Bearing
In automotive settings, HM88648X-HM88612 Bearing supports drivetrain components, while in aerospace, it’s suited for auxiliary systems requiring precise load management.
The ABEC-1 rating balances performance and cost for these varied uses.

Practical Applications of HM88648X-HM88612 Bearing
HM88648X-HM88612 Bearing works well in industrial fans and pumps, where its standard radial clearance accommodates thermal expansion.
The steel cage adds robustness, making it a dependable choice for continuous operation.