TS (Single Row Tapered Roller Bearings) (Imperial) 527-520X

The 527-520X is a single-row tapered roller bearing with a 1.75″ bore and 3.937″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 37000 lbf radially and 4690 lbf thrust, making it a sturdy choice for heavy-duty applications.

Its open design allows 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 gearboxes, axles, or industrial machinery where combined loads are common.

Weighing 2.9 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe and dependable choice for various engineering needs.

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Description

Features

Application

Q&A

Product Parameters

Part Number 527-520X
Brand TFL
Interchangeable Timken
Size 1.75" x 3.937" x 1.375"
Bore Dia 1.75"
Bore Dia Tolerance +0.005" to 0
Outer Dia 3.937"
Outer Dia Tolerance +0.001" to 0
Cone Width 1.42"
Cone Width Tolerance +0.003" to -0.01
Cup Width 1.0625"
Cup Width Tolerance +0.002" to -0.01
Width 1.375"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.14"
Cup Backface ToClear Radius 0.130"
Cone Frontface Backing Diameter 2.09"
Cone Backface Backing Diameter 2.32"
Cup Frontface Backing Diameter 3.74"
Cup Backface Backing Diameter 3.46"
Cage Cone Frontface Clearance 0.1"
Cage Cone Backface Clearance 0.09"
Effective Center Location -0.5"
System of Measurement Inch
Type Bearing
Cone Part Number 527
Cup Part Number 520X
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 525
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 37000 lbf
Static Radial Load 43000 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 9600 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4690 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 2.9 lb

Features

Why Choose 527-520X Bearing for Combined Loads?

527-520X Bearing is crafted with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 37,000 lbf, ensuring reliable performance in demanding conditions.
The steel cage maintains roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Is 527-520X Bearing Engineered for Reliability?

527-520X Bearing features a single-row tapered roller design, optimised for combined load applications.
The chrome steel construction enhances durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 4,690 lbf makes it suitable for heavy-duty tasks.
The open seal design allows for easy lubrication, maintaining performance over time.

Built for Durability: 527-520X Bearing

527-520X Bearing’s chrome steel rollers and rings provide excellent wear resistance, even under high loads.
The precise cone and cup width tolerances ensure a perfect fit, reducing vibration and noise.
With a static radial load capacity of 43,000 lbf, it handles demanding applications with ease.
Its ABEC-1 rating guarantees consistent performance in industrial settings.

What Ensures Smooth Operation in 527-520X Bearing?

527-520X Bearing’s tapered roller design distributes loads evenly, minimising friction and heat buildup.
The steel cage keeps rollers in place, ensuring stable operation even at high speeds.
Its effective center location of -0.5″ enhances alignment, reducing wear.
The standard radial clearance option allows for flexibility in various applications.

Tailored for Corrosion Resistance: 527-520X Bearing

527-520X Bearing’s chrome steel components resist rust, making it suitable for harsh environments.
The open design simplifies lubrication, ensuring consistent performance over time.
With a dynamic radial rating of 9,600 lbf at 90 million revolutions, it offers long-lasting reliability.
Its temperature tolerance from -30° to 110°C ensures versatility in different conditions.

Application

Industrial Uses of 527-520X Bearing
527-520X Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in tough working conditions.

In automotive applications, 527-520X Bearing fits well in wheel hubs and differential systems, providing reliable performance under radial and thrust loads. Its imperial sizing makes it a straightforward replacement for many North American vehicle models.

For industrial conveyor systems, 527-520X Bearing’s open design simplifies lubrication and maintenance, reducing downtime. The steel cage adds strength, making it suitable for high-load scenarios.

What Makes 527-520X Bearing a Preferred Choice?
527-520X Bearing stands out in mining equipment due to its ability to withstand heavy radial and axial forces. The standard radial clearance options allow for flexibility in various operational conditions.

Its compatibility with Timken models makes 527-520X Bearing a cost-effective solution for maintenance teams. The ABEC-1 rating ensures consistent performance without over-engineering for most industrial needs.