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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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