Deep Groove Ball Bearing Heavy Duty for Construction Equipment - Ball Bearing Supplier

Product Description

Product Description

Heavy Duty Self-Aligning Sealed Roller Bearing for Excavator Wheel Loader Bulldozer

Heavy duty roller bearings engineered specifically for construction and mining equipment operating under extreme conditions. These bearings are designed to withstand high shock loads, severe vibration, and heavy contamination commonly found in excavation, loading, compaction, and tunneling operations.

The advanced internal geometry features optimized roller profiles and robust cage designs that deliver outstanding radial and axial load capacity. The self-aligning capability compensates for shaft misalignment and housing deflections, significantly reducing edge stress and preventing premature failure.

The heavy-duty sealing system effectively blocks mud, water, and fine dust ingress—ensuring reliable performance in the toughest job sites. Available in spherical, tapered, and cylindrical roller configurations to suit different application requirements.

Designed for wheel loaders, crawler excavators, bulldozers, backhoe loaders, compaction rollers, and tunnel boring machines

Sealed and open variants available

Customizable dimensions, clearances, and cage materials

OEM and aftermarket specifications fully supported

Technical Parameters

Parameter	Typical Value / Range	Tolerance
Bearing Type	Spherical / Tapered / Cylindrical Roller	-
Inner Diameter (d)	80 – 400 mm	ISO P0 / P6 / P5
Outer Diameter (D)	150 – 600 mm	ISO P0 / P6 / P5
Width (B)	30 – 200 mm	ISO P0 / P6 / P5
Dynamic Load Rating (C)	Up to 2,000 kN	Verified
Static Load Rating (C0)	Up to 2,800 kN	Verified
Reference Speed (Grease)	800 – 2,000 r/min	-
Limiting Speed (Oil)	1,200 – 2,800 r/min	-
Cage Material	Steel / Brass / Polyamide	Optional
Seal Type	Double-Sealed / Open	Customizable
Internal Clearance	C3 / C4	Customizable
Hardness	HRC 58 – 62	-
All dimensions and specifications can be customized according to customer requirements.

Applications & Equipment

These bearings are widely used in the following construction machinery and equipment:
Equipment	Specific Application Points
Wheel Loaders	Transmission systems, wheel hubs, differential gears, pivot joints
Crawler Excavators	Swing drives, track rollers, final drives, boom pivots
Bulldozers	Undercarriage rollers, idlers, drive shafts, track tensioners
Backhoe Loaders	Steering joints, arm pivots, bucket linkages
Compaction Equipment / Rollers	Vibration exciter bearings, drum support shafts
Tunnel Boring Machines (TBM)	Cutterhead support, main bearing assemblies, screw conveyors
Each application demands extreme reliability. Our bearings are tested to meet OEM performance standards and deliver long service life even in highly abrasive environments.

Key Features & Advantages

√ SUPERIOR IMPACT RESISTANCE
Specially heat-treated bearing steel rings and rollers withstand high shock loads from rock crushing, heavy excavation, and material handling. Optimized surface finish reduces friction and wear under intermittent high-load conditions.

√ ADVANCED CONTAMINATION PROTECTION
Heavy-duty multi-lip seals (nitrile or PTFE materials) effectively keep out mud, slurry, water, and fine dust. Field-proven performance in high-contamination environments extends bearing service life by up to 60% compared to standard open designs.

√ SELF-ALIGNING CAPABILITY
Accommodates angular misalignment up to 2°, effectively reducing edge loading and stress concentrations caused by shaft deflection, housing deformation, or mounting errors—common issues in heavy machinery.

√ HIGH LOAD CARRYING CAPACITY
Optimized roller geometry and precision-ground raceways deliver exceptional radial and thrust load capacity, ensuring stable operation under combined loading conditions typical of construction equipment drivetrains.

√ EXTENDED MAINTENANCE INTERVALS
Advanced internal clearance settings and optimized grease flow channels minimize operating temperatures and friction, enabling longer lubrication intervals and significantly reducing total cost of ownership (TCO).

√ STRICT QUALITY CONTROL
100% dimensional inspection, ultrasonic flaw detection, and noise/vibration testing performed before shipment. Each bearing is verified to meet ISO 492 tolerance standards.

√ CUSTOMIZATION SUPPORT
Dimensions, clearance classes (C3/C4), seal types, cage materials, and special coatings can be customized to meet specific equipment OEM requirements.

Company Profile

Natebon Electromechanical Industry (Jiangsu) Co., Ltd. 

Natebon Electromechanical Industry (Jiangsu) Co., Ltd. is one of China's few comprehensive power transmission solution providers integrating premium international brand distribution with independent R&D manufacturing.
We hold authorized supply chain advantages for world-renowned brands including SKF, NSK, and THK, while our proprietary "Natebon" brand transmission components are protected by dozens of invention and utility model patents, widely recognized in heavy industry markets.
As a National High-Tech Enterprise, Natebon operates under the triple-certified management system of ISO 9001 (Quality), ISO 14001 (Environment), and ISO 45001 (Occupational Health & Safety), delivering reliable, efficient, and environmentally responsible solutions to global customers.
Core Strength in Heavy-Duty Bearings
Focused on extreme-condition applications, we engineer and supply high-performance roller bearings for construction machinery, mining equipment, and industrial drivetrains:
Spherical Roller Bearings– self-aligning design for shock loads & misalignment
Tapered Roller Bearings– drivetrain & axle systems
Cylindrical Roller Bearings – high-speed transmission applications
Custom-Engineered Bearings– tailored for tunneling, compaction & special machinery
Factory Profile
Established in 2007 Year
500+ employees
Exporting to [Number] countries across Southeast Asia, Middle East, Africa, Europe & Americas
Annual production capacity: [Number] million pieces
We provide factory-direct pricing, technical selection support, and stable batch quality. OEM / ODM / Aftermarket cooperation are fully supported.
Rooted Locally, Serving Globally— Natebon drives progress in industrial power transmission.

FAQ

Q1: What is the minimum order quantity (MOQ)?
A: MOQ is typically 10 pieces per size. However, sample orders of 1-2 pieces are also welcome for quality evaluation and fit testing.

Q2: Can you produce bearings according to specific OEM part numbers?
A: Yes. We can manufacture bearings according to OEM drawings, samples, or specific part number requirements. Please provide your original specifications or equipment model.

Q3: What is the standard lead time?
A: Standard lead time is 15-30 days. For large quantity orders (over 500 pieces), please allow 30-45 days. Urgent orders can be expedited—please contact us to check current stock availability.

Q4: How do I choose the correct bearing type for my equipment?
A: Please tell us your equipment type (e.g., excavator model, wheel loader brand), application position (transmission, swing drive, track roller, etc.), and operating conditions. Our technical team will recommend the most suitable bearing type, clearance, and seal configuration.

Q5: Do you offer after-sales technical support?
A: Yes. We provide installation guidance, troubleshooting support, and failure analysis services. Our engineers are available for online consultation or on-site support upon request.

Q6: Are your bearings compatible with original equipment?
A: Our bearings are manufactured to ISO international standards and strictly controlled to match OEM dimensional and performance specifications. We guarantee interchangeability with original parts.