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MB1820D Wrapped Steel Plain Bush 18x20x20mm

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Maintenance Free
High Compressive Strength
Low Cost

Equivalent to: PAP1820P10

MB1820D Wrapped Steel Plain Bush 18x20x20mm

SKU: MB.1820.DLU

£3.01 ex VAT

Price Breaks

Quantity	Prices
9+	£2.68 each
19+	£2.53 each
29+	£2.50 each
39+	£2.47 each
49+	£2.44 each
69+	£2.41 each
99+	£2.26 each

9+ £2.68 each
19+ £2.53 each
29+ £2.50 eachClick Here…

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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

Brand / Quality: Simply Wrapped Steel Bushes - High Quality
Inside Diameter: 18mm
Outside Diameter: 20mm
Length: 20mm

d	=	18mm
D	=	20mm
b	=	20mm
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

Anonymous, United Kingdom
Review added on 11/04/2022

Top bushes, fit and quality
Gregory Grant, United Kingdom
Review added on 15/10/2019

Fast delivery of my bushes.
Beckett Ryland, United Kingdom
Review added on 15/02/2019

Thanks again for a super service
Zachary Jenkins, United Kingdom
Review added on 17/09/2015

A**** Service! Many Thanks :-)
David Lloyd, United kingdom
Review added on 05/05/2015

unfortunately your description passes these off as being capable of an oscillating action. well I'm not stupid and understood that clearly to mean 'little end bush'. they are too tight to fit in the eye of a con rod without scraping the outer metal off. not only that but they don't meet the minimum clearance on the ID twixt ID of bush and a gudgeon pin. far too sloppy. finally, you have the fact that the inside material is NOT suitable for a little end bush (I didn't) and you then know why all 6 have hit the bin.......

Simply Bearings Replied:

I'm sorry to hear you had a problem with a product, had you rang or emailed us we would have advised against using this product in your application.

As you can appreciate it would be impossible to publish every application that they are suitable for and every application they are not suitable for.

They are advertised as oil free and maintenance free, the material on the inside of the push is bronze impregnated with ptfe - not suitable or suggested to be suitable for use in engines.