Bushing PTFE Coated Metal Polymer Composite Plain Bearing DP4 Bushes
ZR-015 self-lubricating bearing is the lead free type of ZR-010 bushing. This type of DU bushing has the same structure of ZR-010 sliding bearing. It's also called DU bushing, PTFE based self lubricating bushing, sliding bearing,plain steel bushing,LFB lead free bushes, SF-1 plain dry bearing and lead free oilless bearing.
Material Structure
1.PTFE mixture
2.Porous bronze
3.low-carbon steel backing
4.Tin-plating or copper plating
Characteristics
Application
ZR-015 lead free plain sliding bearing is widely used in lifting equipment, Hydraulics and valves, pneumatic equipment, medical equipment, textile machinery, agricultural equipment, construction equipment, meterial handing equipment, packaging equipment, automotive field, scientific equipment, drying ovens, office equipment, etc.
Technical Data
Specific load capacity (static) | ≤ 250 [ N/mm ] | |
Specific load capacity (dynamic) | ≤ 140 N/mm at low speeds | |
Specific load capacity (Rotating oscillating) | ≤60N/m | |
Friction value | 0.03 to 0.25 | |
Temperature | -200 to +280 [ °C ] | |
Max. dry running Pv (Short-term operation) | 3.6N/mm/s | |
Max. dry running Pv (Continuous operation) | 1.8N/mm/s | |
Max. speed (dry running) | 2m/s | |
Max. speed (Hydrodynamic operation) | >2m/s |
Tolerance Details
Housing ØH7
Bushing inner-Ø after mountingH9
Shaft tolerancef7 to h8
Mouting Suggestion
Housing: Mounting bevel min. 1.5 mm x 15-45°
Shaft Material:Steel, hardened or untempered, surface roughness ≤ Rz 2-3 Shaft: Mounting bevel 5 mm x 15°, edges rounded
The application of an adequate force fitting mandrel is advisable. Grease lubrication of the outer surface may be necessary when mounting.