Bearings Manufacturer Since 2000

Trusted by 1,000+ Clients

Mining & Construction Bearings

Mining & Construction Bearings – Built for Extreme Durability

Engineered to endure the harshest conditions, our Mining & Construction Bearings are designed for maximum strength, heavy loads, and prolonged performance in abrasive, high-impact environments. Whether in excavators, crushers, or drilling rigs, these bearings deliver unmatched reliability to keep your machinery running efficiently—minimizing downtime and maximizing productivity.

China's leading Mining & Construction Bearings manufacturer

As China’s leading manufacturer of Mining & Construction Bearings, FHD delivers unmatched performance for the world’s toughest industrial applications. Our bearings are built to withstand crushing loads, abrasive environments, and relentless operating conditions—ensuring maximum uptime and reliability in mining, earthmoving, and heavy construction equipment.

The competitive edge of FHD Mining & Construction Bearings includes:

Exceptional Load Capacity: Designed to withstand extreme shock loads and continuous heavy-duty operation.
Extended Service Life: Premium materials and advanced heat treatment minimize wear and maximize durability.
Superior Sealing Technology: Effective protection against dust, debris, and moisture in harsh environments.
Global Standards Compliance: Manufactured to meet international quality and safety certifications.

Trusted by industry leaders worldwide, FHD bearings are built to keep your equipment running longer and reduce costly downtime.

Definition of Mining & Construction Bearings

Mining & Construction Bearings are heavy-duty rolling-element bearings specifically designed to withstand the extreme conditions encountered in mining, quarrying, excavation, and construction machinery.

Importance of Mining & Construction Bearings in Performance and Safety

Mining and construction bearings are not just components—they are mission-critical systems that directly impact equipment performance, project timelines, and personnel safety. Their precision engineering ensures heavy machinery operates reliably under extreme stress while protecting work crews from catastrophic failures.

Key Impacts of Mining & Construction Bearings on Performance:

a. Enhanced Durability & Longevity:

Designed to endure abrasive dust, heavy loads, and vibrations, high-quality bearings reduce downtime and extend equipment lifespan.
Specialized materials withstand corrosive environments common in mining operations.

b. Improved Efficiency & Reduced Friction:

Precision-engineered bearings minimize energy loss due to friction,ensuring smooth operation of crushers, excavators, loaders, and conveyor systems.
Optimized bearing designs improve machine efficiency.

c.Increased Load Capacity & Stability:

Heavy-duty bearings support extreme radial and axial loads, maintaining structural integrity under immense operational stress.
Tapered, cylindrical, and spherical roller bearings provide superior load distribution in earth-moving and crushing equipment.

2. Key Safety Benefits

Prevent Equipment Failures – High-load bearings avoid sudden breakdowns that could endanger workers.
Reduce Fire Hazards – Heat-resistant bearings minimize overheating and ignition risks.
Dampen Vibration – Misalignment-resistant bearings stabilize machinery, preventing structural stress.
Block Contaminants – Sealed bearings prevent dust, water, and debris from causing unpredictable failures.

3. Maintenance & Longevity

✓ Extended Service Life – Premium bearings withstand harsh conditions 2-3x longer than standard options.
✓ Fewer Breakdowns – Robust designs handle heavy loads and contamination without failure.
✓ Simpler Maintenance – Sealed/lubed-for-life bearings eliminate frequent re-greasing needs.
✓ Lower Replacement Costs – High-performance bearings save 30+% in long-term part replacements.

Types of Bearings for Mining & Construction Equipment

Bearings in mining and construction must endure extreme loads, contamination, and harsh environments. Here are the key types used in these industries:

1. Spherical Roller Bearings

✔ Best for: Heavy-duty applications with misalignment & shock loads
✔ Used in: Crushers, vibrating screens, conveyors
✔ Why?

Self-aligning capability handles shaft deflection
High radial & axial load capacity
Robust construction withstands impact

2. Tapered Roller Bearings

✔ Best for: Combined radial + axial loads
✔ Used in: Wheel hubs, gearboxes, drivetrains
✔ Why?

Handles simultaneous forces from different directions
Adjustable clearance for precise performance
Long-lasting under heavy loads

3. Cylindrical Roller Bearings

✔ Best for: High radial loads at medium-high speeds
✔ Used in: Vibrating equipment, electric motors, pumps
✔ Why?

Excellent load distribution
Low friction for energy efficiency
Available in single/double row designs

4. Thrust Bearings

✔ Best for: Purely axial loads
✔ Used in: Excavator slew rings, crane hoists
✔ Why?

Specialized for heavy thrust applications
Available in spherical, cylindrical, or tapered designs
Critical for preventing axial movement failures

5. Mounted Bearings (Pillow Block, Flange, etc.)

✔ Best for: Easy installation & replacement
✔ Used in: Conveyors, fans, mixers
✔ Why?

Pre-assembled units reduce downtime
Sealed variants prevent contamination
Various housing materials (cast iron, stainless steel)

Materials and Characteristics of Mining & Construction Bearings

Bearings in mining and construction endure extreme loads, contamination, vibration, shock, and corrosion. The right material selection directly impacts durability, maintenance cycles, and failure resistance.

The following details the primary materials used, their mechanical properties, best applications, and limitations for harsh industrial environments.

1. High-Carbon Chrome Steel

Material Composition:

1% Carbon, 1.5% Chromium (hardened for wear resistance)
Hardness: 58–64 HRC (Rockwell scale)

Key Characteristics:

✔ High fatigue resistance (long lifespan under cyclic loads)
✔ Good wear & abrasion resistance
✔ Cost-effective for heavy-load industrial use

2. Case-Hardened Steel

Material Composition:

Low-carbon steel core (ductility) + hardened surface layer (2–6mm deep, 58–62 HRC)

Key Characteristics:

✔ Superior impact resistance (prevents cracking)
✔ Balances toughness & surface hardness
✔ Longer fatigue life than through-hardened steels

3. Stainless Steel

Material Composition:

AISI 440C: 16-18% Chromium, 0.95-1.20% Carbon (hardened)
AISI 316: 16-18% Cr, 10-14% Nickel, 2-3% Molybdenum (corrosion-resistant)

Key Characteristics:

✔ Excellent corrosion resistance (ideal for wet/acidic/salty conditions)
✔ Hygienic & rust-proof (food processing, washdown areas)
✔ 316 stainless resists pitting in saltwater

4. Ceramic Hybrid Bearings

Material Composition:

Ceramic balls (Si₃N₄) + steel races
Non-conductive, non-magnetic, lightweight

Key Characteristics:

✔ Extreme hardness (70–90 HRC)
✔ 3-10x longer lifespan in abrasive/corrosive conditions
✔ 50-80% lighter than steel (less centrifugal force at high speeds)

Bearings Manufacturer Since 2000

Mining & Construction Bearings