33251-33462DC TDO (Two-Row Double-Outer Race) (Imperial)

The 33251-33462DC is a double-row tapered roller bearing with a 2.5″ bore and 4.625″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 54200 lbf and is designed for long-lasting performance in tough conditions.

Its open design allows for easy lubrication, while the steel cage ensures smooth operation. The bearing works well in temperatures from -30°C to 110°C, making it versatile for various environments.

This model is part of the 33000 series, known for reliability in heavy-duty applications. Ideal for use in industrial machinery or automotive systems where high radial and thrust loads are common.

Weighing 6.81 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe and dependable choice for replacements or new installations.

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Description

Features

Application

Q&A

Product Parameters

Part Number 33251-33462DC
Brand TFL
Size 2.5" x 4.625" x 1.1875"
Bore Dia 2.5"
Bore Dia Tolerance +0.005" to 0
Outer Dia 4.625"
Outer Dia Tolerance +0.001" to 0
Double Cup Width 2.125"
Double Cup Width Tolerance +0.003" to -0.01
Cone Width 1.1875"
Cone Width Tolerance +0.002" to -0.01
Bearing Width Across Cups 2.6249"
Bearing Width Across Cups Tolerance +0.008" to 0
Cup Backface ToClear Radius 0.03"
Cone Backface Backing Diameter 2.87"
Cup Frontface Backing Diameter 4.45"
Cage Cone Backface Clearance 0.07"
Dynamic Radial Load 54200 lbf
System of Measurement Inch
Type Bearing
Cone Part Number 33251
Cup Part Number 33462DC
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Double Row
Seal Type Open
Cups Type Standard
Series 33000
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Rating(One Row 90 Million Revolutions) 8060 lbf
Dynamic Thrust Rating(90 Million Revolutions) 6020 lbf
Dynamic Radial Rating(Two Row 90 Million Revolutions) 14000 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 6.81 lb

Features

Performance Features of 33251-33462DC Bearing

33251-33462DC Bearing is built with chrome steel rings and rollers, offering robust resistance to combined loads.
Its dynamic radial load capacity reaches 54,200 lbf, ensuring dependable performance in heavy-duty applications.
The double-row tapered roller design enhances load distribution, reducing stress and extending service life.
With a standard radial clearance, it provides smooth operation across various conditions.

How Is 33251-33462DC Bearing Engineered for Reliability?

33251-33462DC Bearing features a steel cage that maintains roller alignment, minimising wear and improving durability.
The tapered roller design efficiently handles both radial and thrust loads, making it versatile for different applications.
Its chrome steel construction resists wear, ensuring consistent performance over time.
Operating within a temperature range of -30° to 110°C, it adapts well to varying environments.

Built for Durability: 33251-33462DC Bearing

33251-33462DC Bearing’s double-row design increases load capacity, making it suitable for demanding industrial uses.
The chrome steel rollers and rings provide excellent resistance to wear, enhancing longevity.
With a dynamic radial rating of 14,000 lbf for two rows, it delivers reliable performance under heavy loads.
Its standard radial clearance ensures smooth operation, reducing maintenance needs.

Steel vs Ceramic Bearings: Strengths of 33251-33462DC Bearing

33251-33462DC Bearing uses chrome steel for both rollers and rings, offering a balance of strength and cost-effectiveness.
The steel cage ensures proper roller alignment, reducing friction and extending bearing life.
Unlike ceramic bearings, it provides excellent durability in high-load applications without the higher cost.
Its design is optimised for combined loads, making it a practical choice for various industrial needs.

Application

Industrial Uses of 33251-33462DC Bearing
33251-33462DC Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its double-row design handles combined radial and thrust loads efficiently. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 33251-33462DC Bearing supports wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it a preferred choice for American and British vehicle models.

For industrial automation, 33251-33462DC Bearing’s tapered roller design offers stability in conveyor systems and robotic arms. The open seal type allows for easy lubrication, extending its service life in high-use scenarios.

What Makes 33251-33462DC Bearing a Preferred Choice?
33251-33462DC Bearing excels in agricultural machinery, such as tractors and harvesters, where its robust construction withstands harsh conditions. The standard radial clearance ensures smooth operation even under heavy loads.

In material handling equipment, 33251-33462DC Bearing’s dynamic radial rating makes it suitable for forklifts and cranes. The steel cage enhances its resistance to wear, reducing maintenance needs over time.

Built for Heavy-Duty Use: 33251-33462DC Bearing
33251-33462DC Bearing is ideal for wind turbine applications, where its combined load capacity handles the stresses of rotational and axial forces. The ABEC-1 rating ensures consistent performance in precision settings.

For railway systems, 33251-33462DC Bearing’s tapered rollers provide reliable support in axle boxes. The temperature range of -30° to 110°C ensures functionality in diverse climates.