Jiaxing Joyreap Precision Machinery Co.,Ltd
                                                                                                           
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Self Lubricating Graphite Bronze Bearing with 80-90°F Activation Temperature for Mold Die Industry Applications

Price Negotiable
Price: Negotiable
MOQ: Negotiable
Delivery Time: Negotiable
Brand: Joyreap
Product Description
These self-lubricating graphite bronze bushings feature embedded graphite plugs impregnated with oil. When friction between the bushing and guide post generates temperatures of 80-90°F, oil is released from the plugs to lubricate the wear surface. A distinctive dark smear pattern forms as oil and graphite embed into the bronze or steel grain, ensuring continuous lubrication for optimal tool performance.
Material Specifications
Primary material: CuZn25Al6Fe3Mn3 + Graphite
Alternative lubricants: PTFE or SL4 available upon request
Key Characteristics
  • Maintains ejector assembly alignment throughout operation
  • Supports full weight of ejector assembly during complete cycle
  • Minimizes wear on ejection components for extended service life
  • Prevents cocking of ejector plates for consistent performance
Product Availability
  • Standard configurations: cylindrical oilless bushings, flanged oilless bushings, thrust washers, and slide plates
  • Custom designs and specialized materials available according to customer specifications
Industry Application
Primarily used in mold and die industry applications for precision tooling and manufacturing processes.
Product Images
Self-lubricating graphite bronze bearing technical diagram showing internal structure Close-up view of graphite bronze bearing showing embedded graphite plugs and wear surface Industrial application of self-lubricating bushings in mold die equipment
Bronze Base Material International Standards
Common Name China (GB1176-87) Germany (DIN) Japan (JIS) European (EN 1982) British (BS 1400) Italy (JM) American (ASTM/UNS)
Manganese Bronze ZCuZn25Al5Mn4Fe3 CuZn25Al5 CAC304/HBsC4 HTB2 JM-18 C86300 (SAE430B)
Nickel-Aluminum Bronze CuAl10Ni5Fe5 G-CuAl10Ni AlBC3 CB333G AB2 JM7-15 C95500
Leaded Bronze / Gun Metal ZCuSn5Pb5Zn5 CuSn5ZnPb BC6 / BC6C CC491K / CB491K LG2 JM1-15 C83600 (ASTM B 505)
Leaded Bronze / Gun Metal ZCuSn7Zn4Pb7 G-CuSn7ZnPb, RG-7 CC493K LG2 JM-1 C93200 (SAE660)
Tin Bronze ZCuSn12 G-CuSn12 CAC503B CC483K / CB483K PB2 JM3-15 C90800 (ASTM B 427)
High Leaded Tin Bronze ZCuSn10Pb10 CuSn10Pb10-C CC495K / CB495K LB2 JM-15 C93700 / SAE64
High Leaded Tin Bronze CuSn7Pb15 CuSn7Pb15-C CC496K AB2 JM-4 C93800

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Company Jiaxing Joyreap Precision Machinery Co.,Ltd
Location No 168 Kapa Road Dayun Town Jiashan Zhejiang China
Contact Person Catherine Hu

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