(03) 9464 2950 info@thyssing.com.au

Metal-Polymer Bearings

DS
Metal-Polymer Self-Lubricating Bearings

CHARACTERISTICS

  • Self-lubricating bushings for operation in mixed film lubrication conditions
  • Sliding layer is machinable (ca. 0.4 mm above bronze sinter layer)
  • Resistant to fretting corrosion damage to the shaft under low amplitude oscillating movements
  • Similar in performance to DX® but with lower friction

Bearing forms available in standard dimensions

Cylindrical bushes                        Flanged bushes

Thrust washers                            Sliding plates

Bearing forms made to order: cylindrical bushes, thrust washers, sliding plates, half-bearings, special shapes obtained by stamping, customized bearing designs

STRUCTURE AND COMPOSITION

Metal-Polymer Composite Bushing Material 
Steel back + Porous  Bronze Sinter + POM (modified)

 

MICROSECTION

DS-Bush-microsection

OPERATING PERFORMANCE
Dry Good
Oil lubricated Very Good
Grease lubricated Very Good
Water lubricated Poor
Process fluid lubricated Poor
FOR SUPERIOR PERFORMANCE
Water lubricated HPM / HPF / DP4-B
Process fluid lubricated DP4 / GAR-FIL / HI-EX 

 

     BEARING PROPERTIES

GENERAL   Unit Value
Maximum load, p

Static

Dynamic

N/mm2

N/mm2

110

45

Operating temperature

Min

Max

°C

°C

– 60

130

DRY      
Maximum sliding speed, U   m/s

1.5

Maximum pU factor

 

N/mm2 x m/s

1.4

Coefficient of friction    

0.15 – 0.30

GREASE LUBRICATED      
Maximum sliding speed, U   m/s

2.5

Maximum pU factor

 

N/mm2 x m/s

2.8

Coefficient of friction    

0.05 – 0.10

OIL LUBRICATED      
Maximum sliding speed, U   m/s

10.0

Maximum pU factor   N/mm2 x m/s

10.0

Coefficient of friction    

0.03 – 0.08

RECOMMENDATIONS      
Shaft surface roughness, Ra

 

µm

≤ 0.4

Shaft surface hardness

Normal

For longer service life

HB

HB

> 200

> 350

   BEARING PROPERTIES

GENERAL   Unit Value
Maximum load, p

Static

Dynamic

psi

psi

16 000

6 500

Operating temperature

Min

Max

°F

°F

– 80

270

DRY      
Maximum sliding speed, U   fpm

300

Maximum pU factor

 

psi x fpm

40 000

Coefficient of friction    

0.15 – 0.30

GREASE LUBRICATED      
Maximum sliding speed, U   fpm

500

Maximum pU factor

 

psi x fpm

80 000

Coefficient of friction    

0.05 – 0.10

OIL LUBRICATED      
Maximum sliding speed, U   m/s

2 000

Maximum pU factor   MPa x m/s

286 000

Coefficient of friction    

0.03 – 0.08

RECOMMENDATIONS      
Shaft surface roughness, Ra

 

µin

≤ 16

Shaft surface hardness

Normal

For longer service life

HB

HB

> 200

> 350

TYPICAL INDUSTRY APPLICATIONS

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Custom Lengths Available

Thyssing can supply custom lengths upto 410mm long free of charge.

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Metric and Imperial Sizes

Both Metric and Imperial sizes are available to achieve the design requirements.

Australian Stock

Thyssing keep a wide range of stock here in Australia to reduce lead time for customers.

Low Maintenance

Garmax Bushes are Self lubricating so you can save time and money on maintenance.

We're here to help!

Please do not hesitate to contact us with any design enquiries. Our experienced engineers are ready to help you with any enquiries and are willing to assist you with support to make sure you get the right product for your application.

Phone

(03) 9464 2950

Address

33 Nevin Drive, Thomastown VIC 3074

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Office Hours

M-F: 9AM - 5PM

Contact Us

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