High tin aluminum plain bearing

Standard white metal bearing, Heavy maintenance

Bimetal bearings is a maintenance-bound composite sliding bearing. Oil or grease lubrication is necessary.

Wrapped bushing, steel/ aluminum

Application field
Construction machinery: chassis walking mechanism supporting wheel shaft sleeve, towing wheel shaft sleeve, tension wheel shaft sleeve; Automobile industry: balance shaft bushing, steel plate pin bushing, steering knuckle-main shaft bushing, connecting rod bushing, valve rocker arm bushing, camshaft bushing, differential bushing, gearbox bushing, internal combustion engine spindle bushing, thrust gasket; And plunger pump side piece, gear pump side piece, etc.

Support materialSteel, tin-plated
Sliding layer:AlSn20Cu

Description

BI-METAL SELF-LUBRICATING BEARING

High tin aluminum plain bearing

High tin aluminum bearing is made of steel backed with AISn20Cu Rolled on the surface.

The aluminum bearing product has the characteristics of moderate fatigue strength, bearing capacity, good corrosion resistance and good sliding performance.

Standard white metal bearing, Heavy maintenance
TECHNICAL DETAILS
Specific load capacity static	to ≤ 100 [N/mm2]	Temperature strain	-10 [°C] to +200 [°C]
Specific load capacity dynamic	to ≤ 70 [N/mm2]
Sliding speed	≤ 25 [m/s]	Max. PV-value	6.0 [N/mm² x m/s]
Friction value	0.08 [µ] to 0.17 [µ] depending on lubrication
MATERIALS
Support material	Steel, tin-plated	Sliding layer	AlSn20Cu
TOLERANCE DETAILS
Housing Ø	H7	Shaft tolerance	f7 to h8
Bushing inner-Ø after mounting	H9
SHAFT MATERIAL
Steel, hardened or untempered
Serface roughness ≤ Ra 0.8
PROPERTIES
For high rotational speeds in a sealed and oil-lubricated application.

Application

This high tin aluminum bearing product is commonly used as medium and small power internal combustion engine bearing bush, train engine bearing bush, air compressor bearing bush, is a new bushing product to replace babbitt alloy.

Normal Thickness of Bearing Bushing Tolerances of Series (non-machinable)

Normal Thickness	Tolerances of Series B (non-machinable)	Tolerances of Series C (non-machinable)
1.0	-0.025	+0.25 +0.15
2.0	-0.030	+0.25 +0.15
2.5	-0.035	+0.25 +0.15
3.0	-0.040	+0.30 +0.15
3.5	-0.045	+0.30 +0.15
3.5	-0.050	+0.30