Bimetallic Bearings

JBM-800

Steel with Lead Bronze Powder

JBM-800 product
PRODUCT OVERVIEW

Features & Benefits

The JBM-800 is a bimetallic bearing material consisting of a steel shell backed with a sintered lead-bronze lining (CuSn10Pb10). Engineered specifically for oil-lubricated applications, it offers high load capacity and superior fatigue properties. While highly effective in demanding mechanical environments, please note that this material contains lead; consequently, its use may be restricted in specific applications or jurisdictions subject to environmental regulations.

MATERIAL COMPOSITION

Structure

JBM-800 structure
Layer Material Thickness Function
1 Sintered bronze powder (CuSn10Pb10) - A lead-bronze lining that delivers good wear resistance and excellent load-carrying capacity.
2 Steel backing Base Provides exceptionally high load-carrying capacity and excellent heat dissipation.
SPECIFICATIONS

Technical Data

max load

  • static 250 N/mm²
  • dynamic 140 N/mm²

breaking load

350 N/mm²

max speed lubricated

2.5 m/s

max pv

2.8 N/mm²*m/s

alloy hardness

≥ HB70

temperature limit

-40℃ ~ +250℃

friction coefficient

0.05~0.20

thermal conductivity

60 W(m*K)⁻¹

coefficient of thermal expansion

14*10⁻⁶*K⁻¹

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