GGB LD wear resistant bronze bushings with grease reservoirs

GGB LD Cylindrical bushes

LD Bronze Bearings made of CuSn8 with Grease Reservoirs

CHARACTERISTICS

  • Wear resistant bearing made of solid bronze strip with perforation for lubricated applications
  • Improved performance compared with MBZ-B09 bronze bearings : larger grease reservoirs increase maintenance intervals, dirt and debris swept into perforations, thereby reducing wear
  • Optimum performance under relatively high loads and low speeds

availability

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

STRUCTURE AND COMPOSITION

Bronze Bearings and Bronze Sleeve Bushings made of CuSn8
with Grease Reservoirs
for Long Term Lubrication

MICROSECTION

microsection of GGB LD bronze bearings and LDD bronze bushings

CuSn8 with
composition
Sn 8 %
P < 0.05 %
Cu Rest

OPERATING PERFORMANCE
Dry Poor
Oil lubricated Fair
Grease lubricated Good
Water lubricated Poor
Process fluid lubricated Poor

BEARING PROPERTIES

GENERAL   Unit Value
Maximum load, p

Static

Dynamic

N/mm2

N/mm2

120

40

Operating temperature

Min

Max

°C

°C

- 40

150

GREASE LUBRICATED      
Maximum sliding speed, U   m/s

2.5

Maximum pU factor   N/mm2 x m/s

2.8

Coefficient of friction    

0.06 - 0.15

RecommendationS      
Surface roughness, Ra

 

µm

≤ 0.8

Surface hardness

Normal

For longer service life

HB

HB

> 200

> 350

MBZ-B09, LD, LDD are products of Wieland Werke AG, Germany

STRUCTURE AND COMPOSITION

Bronze Bearings and Bronze Sleeve Bushings made of CuSn8
with Grease Reservoirs
​for Long Term Lubrication

MICROSECTION

microsection of GGB LD bronze bearings and LDD bronze bushings

 

CuSn8 with
composition
Sn 8 %
P < 0.05 %
Cu Rest

OPERATING PERFORMANCE
Dry Poor
Oil lubricated Fair
Grease lubricated Good
Water lubricated Poor
Process fluid lubricated Poor

BEARING PROPERTIES

GENERAL   Unit Value
Maximum load, p

Static

Dynamic

psi

psi

17 000

6 000

Operating temperature

Min

Max

°F

°F

- 40

300

GREASE LUBRICATED      
Maximum sliding speed, U   fpm

500

Maximum pU factor   psi 80 000
Coefficient of friction    

0.06 - 0.15

RECOMMENDATIONS      
Surface roughness, Ra

 

µin

≤ 32

Surface hardness

Normal

For longer service life

HB

HB

> 200

> 350

MBZ-B09, LD, LDD are products of Wieland Werke AG, Germany

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