Bronze With Lubricant Plugs Embedded

1 in stock

The high quality and toughness of VIIPLUS paper machine bearings reduce maintenance costs in the papermaking industry.


Bronze With Lubricant Plugs Embedded are made of strong cast bronze-based metal with special solid lubricants embedded. The base metal withstands high loads and the solid lubricants provide self-lubrication. The bushing shows excellent performance without pre-lubrication under conditions of extremely high/lower temperature with low speed. This material provides a maintenance-free bushing solution, particularly for high-load, intermittent oscillating motion.

Features Of Solid Lubricant Bronze Bushing

  • May work without oil for long periods
  • Extremely high load capacity, with good anti-wear and lower friction
  • Particularly appropriate for low speed and high load
  • Suitable for reciprocating, oscillation, or Intermittent motion where an oil film is hard to form
  • Good chemical resistant and anti-corrosion characteristics
  • Can be used in wide range of temperature from -40°c~+300°c

Technical Details

  • Specific load capacity static150 [N/mm2]
  • Specific load capacity dynamic100 [N/mm2]
  • Sliding speed≤ 0.3 to 1.0 [m/s]
  • Friction value0.03 [µ] to 0.2 [µ] lubricated/dry
  • Temperature strain– 100 [°C] to + 300 [°C]
  • Max. PV-value1.5 [N/mm² x m/s]
  • Hardness: 190-220 HB

Bronze With Lubricant Plugs Embedded Materials

  • Support materialCuZn25Al5
  • Sliding layerSolid lubricant surface: app. 25-30%
  • Other commonly used bronze alloys: CuAl10Ni, CuSn12Pb, CuSn7ZnPb

Tolerance Details

  • Housing ØH7
  • Bushing inner-Ø after mountingPls consult our sales engineers, standard delivered tolerance: r6 or E7
  • Shaft tolerancef7 or h6

Shaft Material

  • The shaft hardness should be at least 70-100HB harder than the bronze alloy.
    Surface roughness ≤ Ra 0.8
Main Metal Type
Gradeoilless bearingoilless bearingoilless bearingoilless bearingoilless bearingoilless bearing
HB hardness>210>70>150>95>250>280
Tensile strength N/mm2>750>200>600>260>800>540
Yeild strength N/mm2>450>90>260>150>450>450
Elongation %>12>15>10>8>8>0.3
Coefficient of linear expansion1.9×10 -5/C1.8×10′-5/’C1.6×10′-5/’C1.8×10′-5/’C1.9×10 -5/C1.8×10′-5/’C
Max. temp.-40-+300C-40-+400’C-40-+400’C-40-+400’C‘-40~+150℃‘-40~+150℃
Max. load N/mm2100605070120150
Max. speed (Dry) m/min151020101515
Max. PV N/mm?*m/min (Lubrication)200606080200200
Compression deformation 300N/mm2<0.01mm<0.05mm<0.04mm<0.05mm<0.005mm<0.005mm



Go to Top