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Bi-Metallic Bushing

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Product Description

Item NO.: CHB-800

CHB-800 Bi-Metallic Bushing is backing on low carbon steel, sintered with CuPb10Sn10 or CuSn6Zn6Pb3 bronze powder, which has the highest load capacity among the bi-metal bushings. The application including balance suspensions of heavy-duty trucks, track roller of bulldozers, auto chassis etc. It is a kindly of high load and low speed bushing, with wide application.

Product Type		JF800	JF801	JF802	JF803
Alloy layer of		CuSn6Zn6Pb3	CuPb10Sn10	CuPb24Sn4	CuSn6.5P0.1
Suface hardness		65~75	60~90	40~60	90~120
Operating Temperature		-40~+250	-40~+250	-40~+250	-40~+250
Thermal conductivity		60	44	60	58
a/10-6/C-1 Coefficient of thermal expansion		19.5	19	18	10
Linear Velocity(Lubricating oil)		8m/s	10m/s	10m/s	8m/s
Friction coefficient	No lubrication	0.2	0.1	0.1	0.2
Friction coefficient	Lubrication	0.02	0.05	0.05	0.06
N/mm² Dynamic load		60	150	100	65
N/mm² Static load		120	250	200	120
Processing methods		High temperature sintering	High temperature sintering	High temperature sintering	High temperature sintering
Mating shaft	Hardness	HRC40	HRC53	HRC48	HRC50
Mating shaft	Roughness	<0.8	<0.8	0.8	<0.8

D	d	Matching shaft diameter		Matching seat hole		f1	f₂	0 L-0.4
D	d	dimension	f7	dimension	H7	f1	f₂	15	20	25	30	40	50
12	10	10	-0.013 -0.028	12	+0.0180	0.6	0.3
14	12	12	-0.016 -0.034	14
16	14	14		16
17	15	15		17
18	16	16		18
19	17	17		19	+0.0210
20	18	18		20
23	20	20	-0.020 -0.041	23		0.8	0.4
25	22	22		25
27	24	24		27
28	25	25		28
30	26	26		30							●
32	28	28		32	+0.0250	1.2	0.6
34	30	30		34
36	32	32	-0.025 -0.050	36
39	35	35		39
42	38	38		42
44	40	40		44
50	45	45		50		1.6	0.8
55	50	50		55
60	55	55	-0.030 -0.060	60	+0.0300