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Tel:
86-21-51760238
86-21-51760236

Fax:
86-21-51760239

E-mail:
DL689@126.com

MSN:
made-info@hotmail.com

Yahoo:
Niuzhangsh@yahoo.com

Add:
No.1-217 Building, No. 128 Shenfu Rd., Xinzhuang Industrial Zone, Shanghai.
PC: China 201108

cylinder liner| engine bearing | bushing | valve | crankshaft | camshaft | con rod
 cylinder head | cylinder block | piston | piston rings | oil pump | starter |
water pump | valve guides | vales seat inserts | alternator

BUSHING

The material:
1. Bronze: 6-6-3, 4-4-2. 4

2. Copper-lead alloy: CuPb10Sn10, CuSn10, CuPb15Sn7, CuPb24Sn, CuPb24Sn4.

3. Aluminum alloy: AlSn20Cu, AlSn40,        AlSn6CuNi, AlSn25CuMn.

4. Powder metal: Iron, Copper.

5.SF-1,ST-2,DU,DX

6.F-800, JF-750,JF-720, JF-685
 
 

SF-1, SF-2 Bearings

·SF-1, SF-2 Bearings( metric) (Unit:mm )
Indoor Diameter of Bearing Bush
Wall Thickness
Allowable Tolerance of Wall Thickness
5=d<20
1.0
+0.005
-0.020
20=d<28
1.5
+0.005
-0.025
28=d<45
2.0
+0.005
-0.030
45=d<80
2.5
+0.005
-0.040
80=d<120
2.5
-0.010
-0.060
120=d
2.5
-0.035
-0.085
·SF-1, SF-2 Bearings( metric) (Unit:mm)
External Diameter of Bearing
Allowable Tolerance of External Diameter
D=10
+0.055
+0.025
10<D=18
+0.065
+0.030
18<D=30
+0.075
+0.035
30<D=50
+0.085
+0.045
50<D=80
+0.100
+0.055
80<D=120
+0.120
+0.070
120<D=180
+0.170
+0.100
180<D=250
+0.210
+0.130
250<D=305
+0.260
+0.170

 


·SF-1, SF-2 Bearing (metric) ( Unit: mm)

d
D
Axial Diameter
Hole H7
Wall Thickness
f1
f2
L 0 ( <f28L-0.3 )
-0.40 >f30L-0.4
Minimum
Maximum
6
8
10
12
15
20
25
30
40
50
60
6
8
6
-0.013
8+0.015
0.980
1.005
0.5
0.3
0606
0608
0610
 
 
 
 
 
 
 
 
-0.028
8
10
8
-0.013
10+0.015
0806
0808
0810
0812
0815
 
 
 
 
 
 
-0.028
10
12
10
-0.016
12+0.018
1006
1008
1010
1012
1015
1020
 
 
 
 
 
-0.034
12
14
12
-0.016
14+0.018
1206
1208
1210
1212
1215
1220
1225
 
 
 
 
-0.034
13
15
13
-0.016
15+0.018
 
 
1310
 
 
1320
 
 
 
 
 
-0.034
14
16
14

-0.016
16+0.018
 
 
1410
1412
1415
1420
1425
 
 
 
 
-0.034
15
17
15
-0.016
17+0.018
 
 
1510
1512
1515
1520
1525
 
 
 
 
-0.034
16
18
16
-0.016
18+0.018
 
 
1610
1612
1615
1620
1625
 
 
 
 
-0.034
17
19
17
-0.016
19+0.021
 
 
1710
1712
 
1720
 
 
 
 
 
-0.034
18
20
18
-0.016
20+0.021
 
 
1810
1812
1815
1820
1825
 
 
 
 
-0.034
20
23
20
-0.020
23+0.021
1.475
0.505
0.8
0.4
 
 
2010
2012
2015
2020
2025
2030
 
 
 
-0.041
22
25
22
-0.020
25+0.021
 
 
2210
2212
2215
2220
2225
2230
 
 
 
-0.041
24
27
24
-0.020
27+0.021
 
2415
2420
2425
2430
 
 
 
 
 
 
-0.041
25
28
25
-0.020
28+0.021
2512
2515
2520
2525
2530
2540
2550
 
 
 
 
-0.041
28
32
28
-0.020
32+0.025
1.970
2.005
1.0
0.6
 
2815
2820
2825
2830
2840
 
 
 
 
 
-0.041
30
34
30
-0.020
34+0.025
3012
3015
3020
3025
3030
3040
 
 
 
 
 
-0.041
32
36
32
-0.025
36+0.025
 
 
3220
 
3230
3240
 
 
 
 
 
-0.050
35
39
35
-0.025
39+0.025
3512
3515
3520
3525
3530
3540
3550
 
 
 
 
-0.050
38
42
38
-0.025
42+0.025
 
3815
 
 
3830
3840
 
 
 
 
 
-0.050
40
44
40
-0.025
44+0.025
4012
 
4020
4025
4030
4040
4050
 
 
 
 
-0.050
45
50
45
-0.025
50+0.025
2.460
2.505
1.2
0.8
 
 
4520
4252
4530
4540
4550
 
 
 
 
-0.050
50
55
50
-0.025
55+0.030
 
 
5020
5025
5030
5040
5050
5060
 
 
 
-0.050
55
60
55
-0.030
60+0.030
 
 
 
 
5530
5540
5550
5560
 
 
 
-0.060
60
65
60
-0.030
65+0.030
 
 
 
 
6030
6040
6050
6060
6070
 
 
-0.060
65
70
65
-0.030
70+0.030
 
 
 
 
6530
6540
6550
6560
6570
 
 
-0.060
70
75
70
-0.030
75+0.030
 
 
 
 
 
7040
7050
7060
7070
7080
 
-0.060
75
80
75
-0.030
80+0.030
 
 
 
 
7530
7540
7550
7560
7570
7580
 
-0.060
80
85
80-0.035
85+0.035
2.440
2.490
1.4
0.8
 
 
 
 
 
8040
8050
8060
8070
8080
80100
85
90
85-0.035
90+0.035
 
 
 
 
 
8540
 
8560
 
8580
84100
90
95
90-0.035
95+0.035
 
 
 
 
 
9040
9050
9060
 
9080
90100
95
100
95-0.035
100+0.035
 
 
 
 
 
 
9550
9560
 
9580
95100
100
105
100-0.035
105+0.035
 
 
 
 
 
 
10050
10060
 
10080
 
105
110
105-0.035
110+0.035
 
 
 
 
 
 
 
10560
 
10580
 
110
115
110-0.035
115+0.035
 
 
 
 
 
 
 
11060
 
11080
 
120
125
120-0.035
125+0.040
2.415
2.465
1.4
0.8
 
 
 
 
 
 
 
12060
 
12080
120100
125
130
125-0.040
130+0.040
 
 
 
 
 
 
 
12560
 
 
125100
130
135
130-0.040
135+0.040
 
 
 
 
 
 
 
13060
 
13080
130100
140
145
140-0.040
145+0.040
 
 
 
 
 
 
 
14060
 
14080
140100
150
155
150-0.040
155+0.040
 
 
 
 
 
 
 
15060
 
15080
150100
160
165
160-0.040
165+0.040
 
 
 
 
 
 
 
16060
 
16080
160100
180
185
180-0.040
185+0.046
2.415
2.465
1.4
0.8
 
 
 
 
 
 
 
 
 
18080
180100
190
195
190-0.046
195+0.046
 
 
 
 
 
 
 
 
 
19080
190100
200
205
200-0.046
205+0.046
 
 
 
 
 
 
 
20060
 
20080
200100
220
225
220-0.046
225+0.046
 
 
 
 
 
 
 
 
 
22080
220100
250
255
250-0.046
255+0.052
2.415
2.465
1.4
0.8
 
 
 
 
 
 
 
 
 
25080
250100
260
265
260-0.052
265+0.052