TS (Single Row Tapered Roller Bearings) (Imperial) 33281-33472

The 33281-33472 is a single-row tapered roller bearing with a 2.8125″ bore and 4.7244″ outer diameter, crafted from robust chrome steel. It handles combined loads up to 31100 lbf radially and 6020 lbf thrust, suitable for demanding applications.

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

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for use in gearboxes, axles, or industrial machinery where combined loads are common.

Weighing 2.9 lb, it’s sturdy 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 reliable performance. Its tapered roller design provides excellent load distribution and long service life.

Perfect for maintenance and repair tasks, it’s a dependable option for engineers and technicians alike. The clearances and tolerances are designed for precise fit and smooth operation.

With its chrome steel rollers and rings, it offers good resistance to wear and fatigue. The bearing’s construction makes it suitable for both radial and thrust loads in various industrial settings.

Easy to install and maintain, it’s a versatile choice for many mechanical systems. The effective center location ensures stable performance under load.

Its compatibility with standard lubrication methods simplifies upkeep. The bearing’s dimensions and tolerances are tailored for reliable performance in harsh conditions.

A practical solution for heavy-duty applications, it balances strength and efficiency. The tapered design helps manage stress and prolongs the bearing’s lifespan.

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Description

Features

Application

Q&A

Product Parameters

Part Number 33281-33472
Brand TFL
Interchangeable Timken
Size 2.8125" x 4.7244" x 1.173"
Bore Dia 2.8125"
Bore Dia Tolerance +0.005" to 0
Outer Dia 4.7244"
Outer Dia Tolerance +0.001" to 0
Cone Width 1.1875"
Cone Width Tolerance +0.003" to -0.01
Cup Width 0.923"
Cup Width Tolerance +0.002" to -0.01
Width 1.173"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.14"
Cup Backface ToClear Radius 0.03"
Cone Frontface Backing Diameter 3.82"
Cone Backface Backing Diameter 3.43"
Cup Frontface Backing Diameter 4.49"
Cup Backface Backing Diameter 4.21"
Cage Cone Frontface Clearance 0.07"
Cage Cone Backface Clearance 0.07"
Effective Center Location -0.11"
System of Measurement Inch
Type Bearing
Cone Part Number 33281
Cup Part Number 33472
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 33000
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 31100 lbf
Static Radial Load 44300 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 8060 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 6020 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

Performance Features of 33281-33472 Bearing

33281-33472 Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 31,100 lbf, making it suitable for heavy-duty applications.

The tapered roller design ensures effective load distribution, reducing stress on individual components.
With a standard radial clearance, it provides reliable operation in various industrial settings.

33281-33472 Bearing operates within a temperature range of -30° to 110°C, ensuring versatility.
The steel cage maintains roller alignment, enhancing durability and smooth performance.

Application

Industrial Uses of 33281-33472 Bearing
The 33281-33472 Bearing is a solid choice for heavy machinery, especially in construction equipment where combined loads are common. Its tapered roller design handles both radial and thrust forces efficiently.

In automotive applications, 33281-33472 Bearing works well in wheel hubs and differentials, thanks to its robust chrome steel construction. The imperial sizing makes it a straightforward replacement for Timken equivalents in older vehicles.

For industrial fans and pumps, 33281-33472 Bearing’s open design simplifies lubrication, extending service life in dusty environments. The standard radial clearance offers flexibility for various operating conditions.

What Makes 33281-33472 Bearing a Preferred Choice?
33281-33472 Bearing excels in agricultural machinery, where its steel cage withstands high vibrations and shock loads. The tapered rollers distribute stress evenly, reducing wear over time.

In conveyor systems, 33281-33472 Bearing’s ABEC-1 rating ensures reliable performance without over-engineering. Its compatibility with Timken parts also simplifies maintenance for fleet operators.

Built for Heavy-Duty Use: 33281-33472 Bearing
33281-33472 Bearing is ideal for mining equipment, handling gritty conditions with its durable chrome steel rollers. The single-row design keeps installation straightforward, even in tight spaces.

For forestry machinery, 33281-33472 Bearing’s temperature range (-30° to 110°C) ensures consistent operation in extreme climates. The dynamic radial load capacity (31,100 lbf) handles rough terrain effortlessly.

Automotive vs Aerospace: Applications of 33281-33472 Bearing
In trucks and trailers, 33281-33472 Bearing supports axles and transmissions, balancing weight and rotational forces. Its static radial load rating (44,300 lbf) provides a safety margin for overload scenarios.

While not suited for aerospace, 33281-33472 Bearing shines in ground support equipment like tugs and loaders. The steel cage and open design simplify inspections between heavy-use cycles.

Key Fields for 33281-33472 Bearing
33281-33472 Bearing is a workhorse in oilfield machinery, where its combined load capacity handles derrick rotations and pipe handling. The inch measurements align with North American equipment standards.

For railway maintenance vehicles, 33281-33472 Bearing’s tapered rollers manage uneven track forces. The C3/C4/C5 clearance options let engineers fine-tune performance for specific vibration levels.