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LDD®

Bronze Plain Bearings with Grease Reservoirs
GGB LDD Perforated bronze bearings and bushings to increase lubrication intervals
GGB LDD Perforated cylindrical bronze bearings and bushings

Product's benefits

  • One Piece Compact design
    One Piece Compact Design
  • Material is suitable for continuous sliding, rotating and oscillating movement
    Suitable for Continuous Sliding, Rotating and Oscillating Movement
  • Quality materials you can rely on
    Quality/Reliability
  • Material offers a low weight solution
    Low Weight
  • Material helps extend application's service life
    Extended service life
  • Material provides dimensional stability
    Dimensional Stability

Characteristics

  • Wear resistant, perforated bronze bearing material with integrated seals for lubricated applications
  • Integrated lip seals reduce installation space, protect the bearing from contamination and prolong service life after greasing
  • Suitable for use with all standard greases
  • Optimum performance under relatively high loads and low speeds
AVAILABILITY

Bearing forms made to order: cylindrical bushes with non-standard dimensions, customized bearing designs

Datasheet
GGB LDD - Bronze Plain Bearing Material CuSn8 with Grease Reservoirs

Operating performance

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LDD®
Dry Operation Not Recommended
Lubricated Operation Fair
Greased Operation Good
Machinable Consult with Applications Engineer
RoHS Compliant Compliant
Standard Sizes Not Available
Application Excellence
LD
Poor
Fair
Good
Consult with Applications Engineer
Compliant
Not Available
MBZ-B09
Poor
Good
Good
Consult with Applications Engineer
Compliant
Available

Composition

Bronze Plain Bearings and Bronze Sleeve Bushings made of CuSn8
with Grease Reservoirs
and Integrated Lip Seals

Technical specifications

  • General

    BEARING PROPERTIES Value Unit
    Maximum load, p
    - Static 120 17,000 N/mm2 psi
    - Dynamic 40 6,000 N/mm2 psi
    Operating Temperature
    - Min -40 -40 °C °F
    - Max 150 300 °C °F
    Grease Lubricated
    Maximum sliding speed, U 2.5 500 m/s fpm
    Maximum pU factor 2.8 80,000 N/mm² x m/s psi x fpm
    Coefficient of friction, f 0.06 - 0.15 0.06 - 0.15
    Recommendations
    Shaft surface roughness, Ra ≤ 0.8 ≤ 32 µm µin
    Shaft surface hardness
    - Normal > 200 > 200 HB HB
    - For longer service life > 350 > 350 HB HB

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