Tapered roller bearing HR30205

Description

Product Overview
Tapered roller bearing HR30205 is a precision-engineered rolling-element bearing designed to support combined radial and axial loads in heavy-duty rotating equipment. Used primarily in industrial transmissions, gearboxes, axle assemblies, and driven shafts, it provides reliable alignment and high load-carrying capacity in demanding operating environments. The HR30205’s engineered geometry and heat-treated bearing steel deliver predictable life performance and lower total cost of ownership through reduced downtime and extended maintenance intervals. For strategic buyers, this bearing represents a mission-critical component that stabilizes machine availability and simplifies aftermarket sourcing across global supply chains.

Key Specifications & Technical Characteristics

• Bearing type: Tapered roller bearing, single row (HR30205)

• Material: High-chromium bearing steel (typically AISI 52100 or equivalent), case-hardened/through-hardened as specified

• Heat treatment: Induction/hardened raceways and rollers; typical hardness range HRC 60–65 depending on batch

• Dimensional standard: Conforms to ISO/ANSI bearing dimensional tolerances for HR30205 series

• Radial and axial load capability: Engineered geometry for combined load support; dynamic and static load ratings per manufacturer datasheet

• Surface finish: Precision ground raceways and rollers to reduce friction and wear

• Lubrication: Supplied unlubricated (clean, preserved) or pre-lubricated options available on request

• Sealing options: Open, shielded, or sealed variants available per application requirements

• Corrosion protection: Standard rust-preventive oil; optional phosphate or zinc-passivation and coated finishes for corrosive environments

• Operating temperature range: Standard -40°C to +120°C; extended-temperature versions available

• Dimensional tolerances: Bore, outside diameter, and width to ISO class specifications; runout and radial clearance controlled per application class

• Packaging options: Industrial bulk crates, wooden pallets, export-grade cardboard boxes, and custom kitting for assembly lines

• Shelf life/ storage: Indefinite when stored dry, clean, and protected from corrosive atmospheres; recommended storage conditions 10–30°C, low humidity, original packaging

Core Industrial Applications

• Primary industries: Heavy vehicle OEMs (trucks, trailers), rail and rolling stock, mining and construction equipment, industrial gearboxes, wind turbines, marine propulsion, and material handling equipment.

• Specific use cases: Wheel-end and axle assemblies, gearbox input/output shafts, differential assemblies, conveyor drive systems, and any rotating assembly requiring combined radial/axial load support with precision alignment.

• Performance rationale: The tapered roller geometry uniformly distributes load across roller lengths, reducing contact stress compared with simple cylindrical rollers and enabling higher axial load capacity than deep-groove ball bearings. HR30205 bearings maintain alignment under high moment loads and shock conditions, leading to longer mean time between failures.

• Commercial relevance: Lower lifecycle costs through reduced rolling contact fatigue, predictable maintenance intervals, and compatibility with standard housings and seals that simplify inventory management and retrofit across fleets and plants.

Competitive Advantages

• Quality consistency: Manufactured to tight metallurgical and dimensional tolerances with batch-level traceability and in-process inspection to ensure repeatable life performance.

• Supply reliability: Industrial-scale production and buffer inventory support continuous supply for MRO and OEM programs with planned replenishment and safety-stock options.

• Logistics capability: Flexible packaging and consolidated container loading (see commercial section), export documentation, and handling optimized for international distribution to minimize lead times.

• Price competitiveness: Volume pricing and long-term contract terms available for strategic buyers; cost efficiencies from standardized dimensions reduce total procurement expense.

• Sustainability: Options for low-VOC rust preventatives and recyclable packaging; selection of longer-life bearings reduces replacement frequency and lifecycle environmental impact.

• Technical support: Application engineering guidance, bearing selection assistance, and access to installation, lubrication, and maintenance best-practice documentation to accelerate correct fitment and life optimization.

Commercial & Supply Information

• Minimum order quantity (MOQ): BULK 20MT

• Loading capacity (MT per container): Standard 20-foot container loading up to 21–22 MT depending on packaging density and palletization; 40-foot container loading up to 25–26 MT for consolidated shipments (final loading subject to packaging configuration and export regulations)

• Lead times: Standard lead times available upon inquiry; expedited production and priority shipping options for critical programs

• Terms: FOB/Based on Incoterm to be confirmed; export packing and documentation available for global distribution

• After-sales: Warranty and replacement terms per purchase agreement; recommended spares stocking guidance available