MB7510D Wrapped Steel Plain Bush 75x80x40mm Simply Bearings Ltd

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

Benefits: Low cost, high thermal conductivity, oil free, maintenance free, good corrosion resistance

d	=	75mm
D	=	80mm
b	=	40mm
Structure	=	Steel support strip S.A.E 1010. Sintered bronze layer. PTFE and lead combination
Maximum static load	=	250 N/mm²
Maximum dynamic load	=	140 N/mm²
Maximum sliding speed	=	2.5m/s dry 5.0m/s with oil
Operating temperature	=	-200° C to +280° 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 7.0mm/305mm H7
Recommended shaft tolerance	=	3.0mm/4.0mm h6 5.0mm/75mm f7 80mm/300mm h8
Recommended shaft finish	=	Ra ≤ 0.4um (N5)
Recommended shaft hardness	=	HB > 200

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MB7510D Wrapped Steel Plain Bush 75x80x40mm

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MB7510D Wrapped Steel Plain Bush 75x80x40mm

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