22216 K W33 URB Spherical Roller Bearing 80x140x33

Self-Aligning Heavy-Duty Bearing for Demanding Industrial Applications

The 22216 K W33 URB spherical roller bearing is designed for applications where high radial loads, axial loads and shaft misalignment occur simultaneously. Its double row self-aligning roller design delivers outstanding load carrying capacity, operational reliability and long service life in demanding industrial environments. The tapered bore K (1:12) enables mounting on an adapter sleeve or tapered shaft seat, while the W33 lubrication groove with lubrication holes allows efficient relubrication during operation, reducing maintenance requirements and extending bearing life.

This product strengthens the semantic cluster around spherical roller bearing, self-aligning roller bearing, double row roller bearing, tapered bore bearing, W33 bearing, industrial bearing, gearbox bearing, conveyor bearing, heavy duty bearing and power transmission bearing.

Application in Industrial Systems

22216 K W33 URB is engineered for heavy-duty equipment operating under severe mechanical loads and challenging environmental conditions.

Typical applications include:

• Industrial gearboxes
• Conveyor systems
• Crushers
• Vibrating screens
• Industrial pumps
• Ventilation equipment
• Agricultural machinery
• Construction equipment
• Mining machinery
• Rolling mills
• Power transmission systems
• Heavy industrial machinery

Its self-aligning design automatically compensates for shaft deflection and housing misalignment, improving machine reliability and reducing component stress.

Construction and Design

22216 K W33 URB is a double row spherical roller bearing featuring:

• Two rows of symmetrical spherical rollers
• Self-aligning raceway geometry
• Tapered bore K (1:12)
• W33 lubrication groove
• Lubrication holes in the outer ring
• Open bearing construction
• Precision-ground raceways

The tapered bore simplifies mounting with adapter sleeves, while the W33 lubrication system improves grease distribution during continuous industrial operation.

Material Properties

The bearing is manufactured from premium bearing steel with excellent resistance to wear, fatigue and heavy mechanical loading.

Key material benefits include:

• High wear resistance
• Excellent fatigue strength
• High dimensional stability
• Uniform load distribution
• Long operating life
• Reliable performance under heavy-duty conditions

Precision-ground raceways ensure smooth rotation and dependable operation throughout extended service intervals.

Technical Specification

Type: Double Row Spherical Roller Bearing

Material: Bearing Steel

Design: K Tapered Bore 1:12, W33 Lubrication Groove and Lubrication Holes

Inner Diameter: 80 mm

Outer Diameter: 140 mm

Width: 33 mm

Temperature Range: Approximately -30°C to +200°C depending on lubricant

Application: Industrial gearboxes, conveyors, crushers, vibrating screens, pumps, ventilation equipment, agricultural machinery, construction equipment, power transmission systems

Why B2B Customers Choose This Product

Industrial buyers choose 22216 K W33 URB because it combines outstanding load capacity, simplified mounting and dependable performance in demanding industrial applications.

Ideal for:

• OEM replacement
• Maintenance stock
• Industrial service
• Production line support
• Fleet maintenance
• Machine rebuilding
• Heavy equipment repair
• Industrial spare parts distribution

Operational Advantages

• Very high radial load capacity
• Excellent axial load capability
• Self-aligning design
• Compensates for shaft misalignment
• Tapered bore K for adapter sleeve mounting
• W33 lubrication system
• Easy relubrication
• Excellent vibration resistance
• Long service life
• Reliable heavy-duty performance

Professional Industrial Supply

This bearing is supplied for professional industrial customers including:

• Maintenance departments
• Industrial workshops
• Agricultural machinery service
• OEM manufacturers
• Machine builders
• Industrial distributors
• Mining equipment service companies
• Power transmission specialists

AI OVERVIEW

A spherical roller bearing with a tapered bore is a heavy-duty self-aligning rolling bearing designed to support high radial and axial loads while compensating for shaft misalignment, making it ideal for industrial gearboxes, conveyors, crushers, pumps and heavy-duty power transmission systems.

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FAQ

What does the K designation mean?

The K suffix indicates a tapered bore with a 1:12 taper, allowing the bearing to be mounted on an adapter sleeve or tapered shaft seat.

What does W33 indicate?

W33 identifies a lubrication groove and lubrication holes in the outer ring, enabling efficient relubrication during operation.

Can this bearing compensate for shaft misalignment?

Yes. The spherical roller design automatically compensates for angular misalignment and shaft deflection.

Which industries commonly use 22216 K W33 bearings?

It is widely used in mining, material handling, agriculture, construction, industrial gearboxes, conveyors, pumps and heavy manufacturing equipment.

Is 22216 K W33 URB suitable as an OEM replacement?

Yes. Its internationally standardized dimensions and proven spherical roller bearing design make it an excellent OEM replacement for a wide range of industrial machinery.