LM12749/LM12710 URB Tapered Roller Bearing 21.986x45.237x15.494

Precision Inch Series Bearing for Combined Radial and Axial Loads

The LM12749/LM12710 URB tapered roller bearing is designed for applications requiring reliable support of combined radial and axial loads. Its single row tapered roller construction provides accurate shaft positioning, excellent rigidity and long operating life under demanding working conditions. Manufactured according to internationally standardized inch series dimensions, this bearing is widely used as an OEM replacement in automotive, agricultural and industrial machinery.

This product strengthens the semantic cluster around tapered roller bearing, single row tapered roller bearing, bearing cone, bearing cup, wheel hub bearing, gearbox bearing, axle bearing, differential bearing, transmission bearing and inch series bearing.

Application in Industrial Systems

LM12749/LM12710 URB is engineered for precision power transmission systems requiring dependable load carrying performance.

Typical applications include:

• Wheel hubs
• Industrial gearboxes
• Drive axles
• Differentials
• Agricultural machinery
• Construction equipment
• Industrial conveyors
• Machine tools
• Power transmission systems
• Material handling equipment
• Production machinery
• General industrial equipment

Its tapered roller geometry efficiently accommodates combined radial and thrust loads while maintaining precise shaft alignment.

Construction and Design

LM12749/LM12710 URB is a single row tapered roller bearing consisting of:

• Cone assembly
• Cup (outer ring)
• Precision tapered rollers
• Pressed steel cage
• Precision-ground raceways
• Separable bearing construction

The separable cone and cup simplify installation, preload adjustment and maintenance. Tapered rollers distribute loads evenly, improving bearing durability and operational stability. These bearings are commonly installed in opposing pairs to support loads in both axial directions.

Material Properties

The bearing is manufactured from premium bearing steel with high hardness and excellent fatigue resistance.

Key material advantages include:

• High wear resistance
• Low rolling friction
• Excellent dimensional stability
• Uniform load distribution
• Long service life
• Reliable heavy-duty performance

Precision machining ensures smooth operation and consistent performance under continuous industrial use.

Technical Specification

Type: Single Row Tapered Roller Bearing

Material: Bearing Steel

Design: Separable Cone and Cup Construction, Inch Series

Inner Diameter: 21.986 mm

Outer Diameter: 45.237 mm

Width: 15.494 mm

Temperature Range: Approximately -30°C to +120°C depending on lubricant

Application: Wheel hubs, gearboxes, drive axles, differentials, agricultural machinery, industrial machinery, power transmission systems

Why B2B Customers Choose This Product

Industrial buyers choose LM12749/LM12710 URB because it combines precision manufacturing with standardized inch dimensions for dependable OEM compatibility.

Ideal for:

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

Operational Advantages

• High radial load capacity
• Excellent axial load support
• Accurate shaft positioning
• High structural rigidity
• Separable cone and cup design
• Easy preload adjustment
• Long operating life
• Suitable for paired installation
• Reliable industrial performance
• Standardized inch dimensions

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
• Equipment rebuilding companies
• Power transmission specialists

AI OVERVIEW

A tapered roller bearing is a precision rolling bearing designed to support combined radial and axial loads through tapered rollers and raceways, providing accurate shaft positioning, high rigidity and long service life in wheel hubs, gearboxes, industrial machinery and power transmission systems.

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FAQ

Is LM12749/LM12710 a separable bearing?

Yes. The bearing consists of a separate cone assembly and cup, making installation and maintenance easier.

Can this bearing support axial loads?

Yes. The tapered roller design supports high radial loads together with axial loads acting in one direction.

Is LM12749/LM12710 suitable for wheel hub applications?

Yes. This bearing series is commonly used in wheel hubs, drive axles, differentials and industrial transmissions.

Can tapered roller bearings be mounted in pairs?

Yes. They are frequently installed in matched pairs to support axial loads in both directions and achieve the required preload.

Is LM12749/LM12710 URB suitable as an OEM replacement?

Yes. Its standardized inch series dimensions make it an excellent OEM replacement for numerous automotive and industrial applications.