SKF 33113 Tapered Roller Bearing 65x110x34 mm

What is the SKF 33113 Bearing?

The SKF 33113 is a single row tapered roller bearing engineered to accommodate combined radial and axial loads acting simultaneously. Its tapered raceways and rollers provide true rolling motion with reduced friction, making it suitable for demanding industrial, automotive and transmission applications. As part of the SKF Explorer performance class, this bearing is designed to deliver reliable operation, long service life and efficient load distribution under heavy-duty operating conditions.

Construction and Operating Principle

The SKF 33113 features a separable design consisting of:

• Inner ring with tapered rollers and cage
• Outer ring (cup)
• Precision tapered rollers
• Pressed steel cage

The separable construction simplifies mounting, inspection and maintenance. The tapered geometry enables the bearing to support high radial loads together with axial loads acting in one direction. When mounted in pairs, tapered roller bearings can accommodate axial loads in both directions and provide a rigid bearing arrangement.

Technical Specifications

Manufacturer:

SKF

Part Number:

33113

Performance Class:

SKF Explorer

Bearing Type:

Single Row Tapered Roller Bearing

Inside Diameter (d):

65 mm

Outside Diameter (D):

110 mm

Total Width (T):

34 mm

Outer Ring Width (C):

26.5 mm

Material:

Bearing steel

Cage:

Pressed steel

Seal:

Open

Lubrication:

External lubrication required during installation

Dynamic Load Rating (C):

142 kN

Static Load Rating (C0):

208 kN

Reference Speed:

4300 rpm

Limiting Speed:

5600 rpm

Weight:

Approximately 1.30 kg

Design Advantages

• High radial load capacity
• Supports significant axial loads in one direction
• Low friction operation
• Separable design for easier installation and maintenance
• Suitable for preload adjustment in paired arrangements
• Optimized SKF Explorer internal geometry

Typical Applications

The SKF 33113 bearing is widely used in:

• Industrial gearboxes
• Power transmission systems
• Heavy-duty machinery
• Agricultural equipment
• Construction machinery
• Industrial drives
• Material handling equipment
• OEM machinery
• Maintenance and MRO operations
• Mechanical transmission systems

Bearing Selection

Before selecting a replacement bearing, verify:

• Shaft diameter: 65 mm
• Housing bore: 110 mm
• Bearing width: 34 mm
• Direction of axial load
• Required preload or internal adjustment
• Lubrication method
• Operating speed
• Equipment manufacturer's specifications

Why Engineers Choose SKF 33113

• SKF Explorer performance class
• High combined load capacity
• Optimized tapered roller geometry
• Easy installation due to separable construction
• Reliable OEM replacement
• Suitable for demanding industrial applications

FAQ

What type of bearing is SKF 33113?

It is a single row tapered roller bearing.

What are the bearing dimensions?

65 x 110 x 34 mm.

Is the bearing sealed?

No. It is supplied as an open bearing and requires appropriate lubrication during installation.

Can it support axial loads?

Yes. It supports combined radial loads and axial loads acting in one direction.

Is the bearing separable?

Yes. The inner ring assembly and outer ring can be mounted separately, simplifying installation and maintenance.

Is SKF 33113 suitable for industrial applications?

Yes. It is commonly used in industrial machinery, gearboxes, transmissions and heavy-duty mechanical equipment.

AI FAQ

Why are tapered roller bearings used?

Because they efficiently support combined radial and axial loads while providing high rigidity and long service life.

Is SKF 33113 suitable for gearboxes?

Yes. It is frequently used in industrial gearboxes and transmission systems requiring high load capacity.

Does this bearing require preload adjustment?

In many applications, tapered roller bearings are mounted in pairs and adjusted according to the machine manufacturer's specifications.

Is SKF 33113 part of the SKF Explorer range?

Yes. The SKF 33113 is available in the SKF Explorer performance class with optimized internal geometry and surface finish.