


JF800 Series Of Bimetal Bearing
Automotive Bearings widely used in kinds of transmission and rotation parts of automobile,truck and trailer.

| Chemical Compositions, Chharacheristics and Application | ||||
| 
					Type of    Material
				 | 
					Specifications of    Bronze Alloy
				 | 
					Chemical    Compositions
				 | 
					Alloy Hardness
				 | 
					Chharacheristics    and Application
				 | 
| 
					JF800
				 | 
					CuPb10Sn10
				 | 
					CuPbSnZn801010
				 | 
					HB60-90
				 | 
					The strongest    type,wide application field.
				 | 
	
| Tech. Data | ||||
| 
					Max.    Load
				 | 
					Static
				 | 
					250N/mm2
				 | 
					Yieid Point
				 | 
					240N/mm2
				 | 
| 
					Dynamic
				 | 
					140N/mm2
				 | 
					Temp.
				 | 
					-40oC~+250oC
				 | |
| 
					Max. Speed
				 | 
					2m/s
				 | 
					Friction    coefficient
				 | 
					0.08-0.20
				 | |
| 
					Max. PV
				 | 
					2.8N/mm2*m/s
				 | 
					Thermal    conductivity
				 | 
					60W(m*k)-1
				 | |
| 
					Breaking    Load
				 | 
					350N/mm2
				 | 
					Coef.    of thermal expansion
				 | 
					14*10-6K-1
				 | |
	
| Thickness of the JF800 Bi-metal and their Tolerances | |||||||||
| 
					Norminal    Thickness
				 | 
					1
				 | 
					1.5
				 | 
					2
				 | 
					2.5
				 | 
					3
				 | 
					3.5
				 | 
					4
				 | 
					4.5
				 | 
					5
				 | 
| 
					Thickness of Steel Backing
				 | 
					0.5
				 | 
					1
				 | 
					1.4
				 | 
					1.9
				 | 
					2.3
				 | 
					2.8
				 | 
					3.2
				 | 
					3.6
				 | 
					4
				 | 
| 
					Thickness of Bronze Layer
				 | 
					0.5
				 | 
					0.5
				 | 
					0.6
				 | 
					0.6
				 | 
					0.7
				 | 
					0.7
				 | 
					0.8
				 | 
					0.9
				 | 
					1
				 | 
| 
					Length x Width of the Plates
				 | 
					500x    125
				 | 
					500x    125
				 | 
					600x125
				 | 
					600x    125
				 | 
					800x125
				 | 
					800x    125
				 | 
					800x125
				 | 
					800x    125
				 | 
					800x125
				 | 
	
| Wall Thickness of the Machinable and Non-machinable Bore of JF800 and their Tolerances | ||
| 
					Norminal    Thickness
				 | 
					Tolerances of    Series B
				 | 
					Tolerances of    Series C
				 | 
| 
					(non-machinable)
				 | 
					(non-machinable)
				 | |
| 
					1
				 | 
					-0.025
				 | 
					+0.25
				 | 
| 
					+0.15
				 | ||
| 
					1.5
				 | 
					-0.03
				 | 
					+0.25
				 | 
| 
					+0.15
				 | ||
| 
					2
				 | 
					-0.035
				 | 
					+0.25
				 | 
| 
					+0.15
				 | ||
| 
					2'. 5
				 | 
					-0.04
				 | 
					+0.3
				 | 
| 
					+0.15
				 | ||
| 
					3
				 | 
					-0.045
				 | 
					+0.3
				 | 
| 
					+0.15
				 | ||
| 
					3.5
				 | 
					-0.05
				 | 
					+0.3
				 | 
| 
					+0.15
				 | ||