Zhejiang In-way Precision Machinery Co., Ltd
                                                                                                           
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Self Lubricating Bearings Guide Bushing SOST SO#50SP2 Bronze Alloy

Price Negotiable
Price: Negotiation
MOQ: 1 PCS
Delivery Time: 5 work days or based on quantity
Brand: INWAY
Product Description
Self Lubricating Bearings Guide Bushing SOST SO#50SP2 Bronze Alloy
Product Overview
High-performance flanged bronze brass bushings designed for excavator applications and mould components. These Sankyo oilless graphite bearings feature self-lubricating properties and exceptional durability.
Technical Specifications
Material Composition CuZn25Al6Mn4Fe3 bronze alloy with solid lubricant plugs (graphite)
Density 8.0 g/cm³
Hardness >210 HB
Tensile Strength >750 N/mm²
Yield Strength >450 N/mm²
Elongation >8%
Coefficient of Linear Expansion 1.9×10⁻⁵/°C
Operating Temperature -40°C to +300°C
Maximum Dynamic Load 120
Maximum Speed (Dry) 0.4 m/s
Maximum Speed (Oil) 1.0 m/s
Maximum PV Limit (Dry) 1.5 N/mm²·m/s
Maximum PV Limit (Oil) 3.25 N/mm²·m/s
Friction Coefficient (Dry) 0.12-0.16 μ
Friction Coefficient (Oil) 0.03-0.08 μ
Key Features
  • Bronze alloy construction with graphite plugs provides excellent wear resistance and self-lubricating properties
  • Operates efficiently without requiring oiling or greasing maintenance
  • Ideal for high-load applications with intermittent or oscillating movement conditions
  • Manufactured to ISO 3547 standards for oil-free cast bronze graphite guide bushings
Typical Applications
These self-lubricating bearings are widely used in automobile assembly lines, water turbines, gate dams, plastic injection machinery, excavator bushings, and mould components. Available in various alloy types to suit different working conditions.

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Company Zhejiang In-way Precision Machinery Co., Ltd
Location Xitang Industrial Park,Jiashan,Zhejiang,China
Contact Person James

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