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MG-800 バイメタルラップブッシュ仕様と公差

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MG-800 Bimetallic self-lubricating bearing uses high quality low-carbon steel plate as backing, sintered porous bronze as its liner, suitable for rotatory oscillating, reciprocating movements in the conditions of high load, low speed, low friction, wear resistance, a long working life span on preventing the mating parts from holding-on. The bronze layer surface can be machined with various of grooves, oil pockets in terms of different working conditions. The product is widely used in mining machinery, automobile, building machinery, agriculture equipment, rolling steel industry etc.

Technical Data
MG-800 Bimetal Bushing		MG-720 Bimetal Bushing	MG-700 Bimetal Bushing	MG-20 Bimetal Bushing
Data
Material type	CuPb10Sn10/ CuSn6Zn6Pb3	CuPb24Sn4	CuPb30	AlSn20Cu
Hardmess of bronze alloy	70~100HB	45~70HB	30~45HB	30~40HB
Max. dynamic Load	65N/mm	38N/mm	25N/mm	30N/mm2
"Mpa Sapphire" fatigue class	125	115	105	105
Friction coenncient(oil)	0.06~0.14	0.06~0.16	0.08~0.16	0.08~0.17
PV limit(Grease)	2.8N/mm .M/s	2.8N/mm .M/s	-	-
PV limit(Oil)	10N/mm .M/s	10N/mm .M/s	8N/mm .M/s	6N/mm2.M/s
Max. temperature	260 C	200 C	170 C	150oC
Load limit	150N/mm	130N/mm	120N/mm	100N/mm2
Speed limit v max.	5m/s	10m/s	15m/s	25m/s
Hardness of mating surface	53 HRC	50 HRC	270 HB	250 HB
Tensile strength	150N/mm	150N/mm	200N/mm	200N/mm2

◆ Bimetal self-lubricating bearings grooves

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◆ Surface Roughness of Bimetal Bushes:

List	Bronze Surface	Bronze Surface
Bronze Surface	R20.8	R26.3
Steel Backing	R21.6	R210
Other Surfaces	R22.5	R2100

◆ Standard Size：

Cylindrical Bearing, Flange Bearing. Non-Standard Size：

Cylindrical Bearing, Flange Bearing, Thrust washer, Half bushing, Wear strips, Steel combined units.

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Select	Inquiry	Length	d (mm)	D	Ds	Tolerance	Housing Dh	Tolerance	After fixed Di,a	Clearance CD	Wall thickness S3	Oil hole dL
10	15	20	25	30	40	50	60	80	90	100
		MG-800 1010	MG-800 1015	MG-800 1020	-	-	-	-	-	-	-	-	10	12	10	－0.022	12	＋0.018	＋0.148 ＋0.010	0.170 0.010	0.995 0.935	4
		MG-800 1210	MG-800 1215	MG-800 1220	-	-	-	-	-	-	-	-	12	14	12	－0.027	14	＋0.018	＋0.148 ＋0.010	0.175 0.010	0.995 0.935	4
		MG-800 1410	MG-800 1415	MG-800 1420	-	-	-	-	-	-	-	-	14	16	14	－0.027	16	＋0.018	＋0.148 ＋0.010	0.175 0.010	0.995 0.935	4
		MG-800 1510	MG-800 1515	MG-800 1520	-	-	-	-	-	-	-	-	15	17	15	－0.027	17	＋0.018	＋0.148 ＋0.010	0.175 0.010	0.995 0.935	4
		MG-800 1610	MG-800 1615	MG-800 1620	-	-	-	-	-	-	-	-	16	18	16	－0.027	18	＋0.018	＋0.148 ＋0.010	0.175 0.010	0.995 0.935	4
		MG-8001810	MG-800 1815	MG-800 1820	MG-800 1825	-	-	-	-	-	-	-	18	20	18	－0.027	20	＋0.021	＋0.151 ＋0.010	0.178 0.010	0.995 0.935	4
		MG-800 2010	MG-800 2015	MG-800 2020	MG-800 2025	-	-	-	-	-	-	-	20	23	20	－0.033	23	＋0.021	＋0.161 ＋0.020	0.194 0.020	1.490 1.430	6
		MG-800 2210	MG-800 2215	MG-800 2220	MG-800 2225	-	-	-	-	-	-	-	22	25	22	－0.033	25	＋0.021	＋0.161 ＋0.020	0.194 0.020	1.490 1.430	6
		MG-800 2410	MG-800 2415	MG-800 2420	MG-800 2425	MG-800 2430	-	-	-	-	-	-	24	27	24	－0.033	27	＋0.021	＋0.161 ＋0.020	0.194 0.020	1.490 1.430	6
		-	MG-800 2515	MG-800 2520	MG-800 2525	MG-800 2530	-	-	-	-	-	-	25	28	25	－0.033	28	＋0.021	＋0.161 ＋0.020	0.194 0.020	1.490 1.430	6
		-	MG-800 2615	MG-800 2620	MG-800 2625	MG-800 2630	-	-	-	-	-	-	26	30	26	－0.033	30	＋0.021	＋0.181 ＋0.040	0.214 0.040	1.980 1.920	6
		-	MG-800 2815	MG-800 2820	MG-800 2825	MG-800 2830	MG-800 2840	-	-	-	-	-	28	32	28	－0.033	32	＋0.025	+0.185 +0.040	0.218 0.040	1.980 1.920	6
		-	MG-800 3015	MG-800 3020	MG-800 3025	MG-800 3030	MG-800 3040	-	-	-	-	-	30	34	30	-0.039	34	＋0.025	+0.185 +0.040	0.218 0.040	1.980 1.920	6
		-	MG-800 3215	MG-800 3220	MG-800 3225	MG-800 3230	MG-800 3240	-	-	-	-	-	32	36	32	-0.039	36	＋0.025	+0.185 +0.040	0.224 0.040	1.980 1.920	6
		-	-	MG-800 3520	MG-800 3525	MG-800 3530	MG-800 3540	MG-800 3550	-	-	-	-	35	39	35	-0.039	39	＋0.025	+0.185 +0.040	0.224 0.040	1.980 1.920	6
		-	-	MG-800 3820	MG-800 3825	MG-800 3830	MG-800 3840	MG-800 3850	-	-	-	-	38	42	38	-0.039	42	＋0.025	+0.185 +0.040	0.224 0.040	1.980 1.920	8
		-	-	MG-800 4020	MG-800 4025	MG-800 4030	MG-800 4040	MG-800 4050	-	-	-	-	40	44	40	-0.039	44	＋0.025	+0.185 +0.040	0.224 0.040	1.980 1.920	8
		-	-	-	MG-800 4525	MG-800 4530	MG-800 4540	MG-800 4550	-	-	-	-	45	50	45	-0.039	50	＋0.025	＋0.225 ＋0.080	0.264 0.080	2.460 2.400	8
		-	-	-	-	MG-800 5030	MG-800 5040	MG-800 5050	MG-800 5060	-	-	-	50	55	50	-0.039	55	＋0.030	＋0.230 ＋0.080	0.269 0.080	2.460 2.400	8
		-	-	-	-	MG-800 5530	MG-800 5540	MG-800 5550	MG-800 5560	-	-	-	55	60	55	-0.046	60	＋0.030	＋0.230 ＋0.080	0.276 0.080	2.460 2.400	8
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