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DU Bearing

Technical Data

• Wrapped composite sliding bearing, steel / PTFE coated
• Maintenance-free dry sliding bearing
• DIN 1494 / ISO 3547
• Also available: lead free!
• All special designs are produced at short notice!
• Cylindr. and flanged bushings, thrust washer, strips are stand. fabrication.
• Punchings and moldings are produced on customer requirement. 


Excellent sliding- and wear behaviour, for all types of movement, high load capacity, all-round adaptable.


Support material

Steel backing tin-plated/copper-plated

Intermediate layer

Sintered bronze powder

Sliding layer

Sintered PTFE/Pb

Material properties

Specific load capacity static

≤ 250 [ N/mm² ]

Specific load capacity dynamic

≤ 140 [ N/mm² ] at low sliding speeds

Sliding speed

≤ 2,5 [ m/s ]

Friction value

0,03 to 0,25 [ µ ]

Temperature strain

-200 to +280 [ °C ]

Max. Pv - value

1,8 [ N/mm² x m/s ] for a short time 3,6

Tolerance details

Housing - Ø


Bushing-Inner - Ø


after mounting

Shaft tolerance

f7 or h8

Shaft material

Steel, hardened or untempered, surface roughness ≤ Rz 4


DU bearing is a dry sliding bearing with PTFE sliding layer. Lubrication is therefore not necessary, but basically possible!

Standard Parts

du cylindrical bushdu flanged bushdu thrust washer     du flanged washer   du strip
     • Metric   Inch                       Metric    Inch                 Metric    Inch                         Metric                                   Metric


DU Cylindrical Bush - Metric SizeDU Cylindrical Bush - Inch SizeDU flanged bushes - Inch SizeDU flanged bushes - Metric Size
DU flanged thrust washers-Metric SizeDU Strip- Metric SizeDU thust washers - Inch SizeDU thust washers - Metric Size