Jiaxing Joyreap Precision Machinery Co.,Ltd
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SS304 SS316 Stainless Steel Back PTFE Lined Composite Plain Bearing SF-1S Self Lubricated Bushing
ZR-012 Stainless steel self lubricating DU bearing is a special type DU bushing. It takes stainless steel as base material, sintered bronze as middle layer and PTFE as sliding layer. This type self lubricating bearing is also called SF-1S DU bearing, SS DU bushing, SS304 stainless steel sleeve bushing,SS316 stainless steel plain bushing bearing and etc
Material Structure
1. PTFE with Pb 0.01~0.03mm
2. Porous bronze 0.2~0.3mm
3. Stainless steel backing 0.7~2.3mm
4. Tin Plating
Characteristics
Availability
Application
ZR-012 Stainless steel DU bushing is widely used for dyeing machine, ocean industry, chemical industry, valves,food Machine and 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 | 0.08 to 0.2 (dry)0.02 to 0.08(hydrodynamic) | |
| 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.