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Suitable for R250-3 High-Quality Excavator and Construction Machinery Bearings
The R250-3 bearing is specifically designed for construction machinery and is suitable for critical components such as excavator travel mechanisms, chassis track rollers, and track rollers. Made of high-strength steel, this bearing features impact resistance, high-temperature resistance, and low friction, enabling it to withstand heavy loads and complex working conditions, ensuring stable operation of equipment over extended periods.
Technical Parameters
Type
Rolling Bearing
Material
High-strength Bearing Steel
Lubrication Method
Grease Lubrication / Oil Lubrication
Features and Advantages
• Superior Durability — High-strength bearing steel, suitable for heavy-duty conditions;
• Smooth Operation — Low rolling resistance, capable of withstanding combined radial and axial loads;
• Wide Applications — Compatible with multiple brands of excavators and construction machinery;
• Easy Maintenance — Supports regular grease or oil lubrication to extend service life;
• High Compatibility — Can replace original equipment manufacturer (OEM) bearings for various machine models, allowing for direct installation.
Product Showcase
Excavator Bearing R250-3 Parts Display Image R250-3 Construction Machinery Bearing Front View
Guangzhou Minshun Machinery Equipment Co., Ltd.
We specialize in the sales and service of diesel engine assemblies and construction machinery parts. Our product line covers engine assemblies, filtration systems, electronic control components, hardware accessories, wiring harnesses, and electrical accessories. Our service area includes Canada, the United States, the United Kingdom, Mexico, the Netherlands, Kazakhstan, Mongolia, Russia, Australia, Malaysia, Turkey, Indonesia, Singapore, Thailand, South America, South Africa, and other countries and regions.
Our Product Range
Engine Rebuild Kit
Turbochargers
Engine Diesel Pumps
Engine Controllers (ECU)
Cylinder Blocks
Cylinder Heads
Water Pumps
Injectors
Starter Motors
Filters
Other Engine Accessories
Excavator Hydraulic Pumps
Swivel Components
Distributor Valves
Travel Motor Assemblies
Chassis Components and Other Accessories
Frequently Asked Questions
Q1: What is your main products?
A1: We are specialized in the excavator engine spare parts, for example Main cylinder block, cylinder head, crankshaft, Engine assembly, piston, cylinder liner, piston ring, camshaft, connecting rod, oil pump, water pump, valve series products, movement, etc. almost all parts of the entire engine.
Q2: Do you test all products before shipping?
A2: Yes, we conduct 100% testing before shipping.
Q3: Which engine models is this Diesel Fuel Injection Pump compatible with?
A3: This product is designed for specific diesel engine models. If you can provide the engine model or original part number, we can confirm compatibility before shipping to avoid incompatibility issues.
Q4: How do I know if an oil pump is bad?
A4: A failing oil pump can be indicated by low oil pressure, unusual engine noises, or warning lights on the dashboard, and it should be inspected promptly to prevent engine damage.The rear main seal type (one-piece or two-piece) depends on your engine model; please provide your engine model or part number so we can confirm it for you.
Q5: What should be noted when replacing the oil pump?
A5: When replacing an oil pump, ensure proper alignment, use the correct gasket or seal, check for oil passages blockage, and verify oil pressure after installation; it is recommended to have a qualified technician perform the replacement.
Why Choose Us?
• Over 20 years of focus on construction machinery – offering a full range of excavator assemblies and accessories. • Get a Quote – Our professional team will provide you with a quote immediately upon receiving your requirements.