SKU: MB.7070.DLU
MB7070D Wrapped Steel Plain Bush 70x75x70mm
- Regular price
- €13,14 ex VAT
- Sale price
- €13,14
- Regular price
-
Quantity Price Breaks
MB7070D Wrapped Steel Plain Bush 70x75x70mm
- Regular price
- €13,14 ex VAT
- Sale price
- €13,14
- Regular price
-
Description
|
Plain Bearings: Constructed of 3 layers these maintenance free bushes offer a low cost low friction solution. Comprising of a steel backing, a bronze layer and a 0.2 - 0.35mm thick layer of Polytetra-Fluroethylene PTFE. During manufacture the pores of the bronze layer are completely filled with the PTFE material, additionally a layer up to 0.03mm is added over the top of it. The PTFE material is applied to the inside only, the outer surface, ends and the split rolled joint are protected against corrosion with a layer of tin. These bushes have very high compressive strength and provide good thermal conductivity. This bush style is often referred to as a Permaglide bush |
Technical
| d | = | 70mm |
| D | = | 75mm |
| b | = | 70mm |
| Structure | = | Steel support strip S.A.E 1010. Sintered bronze layer. PTFE and lead combination |
| Maximum static load | = | 250 N/mm< |
| sup> | = | 2< |
| /sup> | = | |
| Maximum dynamic load | = | 140 N/mm< |
| sup> | = | 2< |
| /sup> | = | |
| Maximum sliding speed | = | 2.5m/s dry 5.0m/s with oil |
| Operating temperature | = | -200& |
| deg | = | C to +280& |
| deg | = | C |
| Thermal conductivity | = | 46 W/mk |
| Coefficient of friction (dry) | = | 0.02 to 0.20 |
| Coefficient of friction (oil lubricated) | = | 0.02 to 0.15 |
| Recommended housing tolerance | = | 4.5mm/5.5mm H6< |
| br> | = | 7.0mm/305mm H7 |
| Recommended shaft tolerance | = | 3.0mm/4.0mm h6< |
| br> | = | 5.0mm/75mm f7< |
| br> | = | 80mm/300mm h8 |
| Recommended shaft finish | = | Ra & |
| le | = | 0.4um (N5) |
| Recommended shaft hardness | = | HB & |
| gt | = | 200 |
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