SLS bearing

•Needle roller bearings

Drawn Cup Needle Roller Bearing

Heavy Duty Needle Roller Bearing

Needle Retainer Assembly

Thrust Needle & Retainer Assembly

Linear Ball Bearing

Yoke Type Track Roller

Cylindrical Roller Bearing

Water Pump bearing

Auto Motor and Steering Bearing

Auto A/C Compressor Bearing

Drawn cup needle clutch

Printing Machinery Special Bearing

•Bushings

SF-1 Series Bushing

SF-1 Series Bushing Lead Free

SF-2 Series Bushing

Bimetal Bushing

Copper Alloy Buried Solid Lubricating Bushes

Cast Iron With Graphite Oilless Bearings

Hard Steel With Special Treatment Slide Bearings

Retainer Ball Bearing

• PRODUCT >> Copper Bushing

	Introduction
This is a kind of bushes wrapped by bronze strip.The bronze is of particular formulation with high specific gravity and on its surface may be in processed spherical or diamond shaped indentations or oil grooves as required by customers.

Alloy Compositions of Bush Matorals
TYPES	CU%	Sh%	P%	Pb%	Zn%


FB090	93.4	6.5	0.4	/	/
FB092

Mechanical Properties
TYPES		Tensile Strength N/mm2	Yield Strength N/mm2	Elongation %	Brinnal Hardess HB


FB090		450	250	55	105
FB092

Physical properties
TYPES	Sp.gr g/cm3	Linear expansion 20-300℃ 10-3℃	Thermal conducivity 20℃ w/m.k	Electric conducivity 20℃ w/onm.mm2	Elastic Modulus kn/mm2


FB090	89	182	60	6.5	115
FB092

Load capacity
TYPES		Oscilloting or low speed motion v≤0.01m/s		Revolutionary motion v≤2m/s


FB090		10000~12000 N/cm2		3500~ 4000 N/cm2
FB092

Bushes Sizes And Their Tolerances
Norminal Sizes		10	18	30	50	80		120	180	250
		18	30	50	80	120		180	250	300
Tolerance (outside Dia)		+0.065 +0.030	+0.075 +0.035	+0.085 +0.045	+0.100 +0.055	+0.120 +0.070		+0.170 +0.100	+0.210 +0.130	+0.260 +0.170


Bush Bore Tolerance (pressed in Hosing)		+0.043 0	+0.052 0	+0.062 0	+0.074 0	+0.087 0		+0.10 0	+0.115 0	+0.130 0

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