| >> JM90 -
Bronze wrapped bearings
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++ 구조 및 기능
▶ 기저철판 : (Bronze backing )
뛰어난 항 부식능력을 구비하여 수중 및 약산, 강 알칼리성 장소에서도 사용할수 있다.
청동 재질은 마찰운동 시 우수한 발열작용으로 냉각기능을 한다.
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▶ Chemical composition |
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| Material type |
Cu% |
Sn% |
P% |
Pb% |
Zn% |
| JM90 |
91.3 |
8.5 |
0.2 |
/ |
/ |
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| ▶ Tech. Data |
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Bearing Properties |
Unit |
Value |
Microsection |
Dry |
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Maximum sliding speed U |
m/s |
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Maximum PU factor |
N/㎟*m/s=W/㎟ |
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Coefficient of friction f |
- |
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Grease lubrication |
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Maximum silding speed U |
m/s |
2.5 |
Maximum PU factor |
N/㎟*m/s=W/㎟ |
2.8 |
Coefficient of freiction f |
- |
0.06 ~ 0.15 |
General |
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Maximum temperature T max |
℃ |
+150 |
Minimum temperature T min |
℃ |
-40 |
Maximum load P stabic |
N/㎟ |
120 |
Maximum load P dynamic |
N/㎟ |
40 |
Shaft surface finish Ra |
㎛ |
0.8 |
Shaft hardness |
HB |
>200 |
Shaft hardness for longer service life |
HB |
>350 |
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| ▶ 장 점 |
- 두께가 얇으면서도 고하중에 사용할 수 있어 소형 경량화 설계에 이상적이다.
- 낮은 마찰계수 가지며 우수한 열전도율을 지녔다.
- 우수한 내화학성를 지니며 내마모성 뛰어나다.
- 외부 이물질의 유입으로 부터 상대면을 우수하게 보호한다.
- 표준화 생산되어 납기가 빠르다.
- 저속의 고하중, 충격하중, 요동운동 및 단속운동에 이상적이다.
- Grease 윤활시 고속사용이 가능하다.
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| ▶ Bushes tolerance |
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| BEARING BORE |
BUSH Out Dia. |
HOUSING Dia.
(H7) |
HOUSING Dia.
(H9) |
SHAFT Dia
(f8) |
| 10 ~18 |
+ 0.065
+0.030 |
+0.018
0 |
+0.043
0 |
-0.016
-0.043 |
| 18 ~30 |
+0.075
+0.035 |
+0.021
0 |
+0.052
0 |
-0.020
-0.053 |
| 30 ~50 |
+0.085
+0.045 |
+0.025
0 |
+0.062
0 |
-0.025
-0.064 |
| 50 ~ 80 |
+0.100
+0.055 |
+0.030
0 |
+0.074
0 |
-0.030
-0.076 |
| 80 ~120 |
+0.120
+0.070 |
+0.035
0 |
+0.087
0 |
-0.036
-0.090 |
| 120 ~180 |
+0.170
+0.100 |
+0.040
0 |
+0.100
0 |
-0.043
-0.106 |
| 180 ~ 250 |
+0.210
+0.130 |
+0.046
0 |
+0.115
0 |
-0.050
-0.122 |
| 250 ~ 315 |
+0.260
+0.170 |
+0.052
0 |
+0.130
0 |
-0.056
-0.137 |
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| ▶ Oil hole type |
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| ▶ Cylindrical Bushes standard parts JM90 bearings |
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| d |
D |
L 0 ~ 0.40 |
| 10 |
15 |
20 |
25 |
30 |
35 |
40 |
50 |
60 |
70 |
80 |
90 |
100 |
| 10 |
12 |
JM90-
1010 |
JM90-
1015 |
JM90-
1020 |
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| 12 |
14 |
JM90-
1210 |
JM90-
1215 |
JM90-
1220 |
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| 14 |
16 |
JM90-
1410 |
JM90-
1415 |
JM90-
1420 |
JM90-
1425 |
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| 15 |
17 |
JM90-
1510 |
JM90-
1515 |
JM90-
1520 |
JM90-
1525 |
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| 16 |
18 |
JM90-
1610 |
JM90-
1615 |
JM90-
1620 |
JM90-
1625 |
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| 18 |
20 |
JM90-
1810 |
JM90-
1815 |
JM90-
1820 |
JM90-
1825 |
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| 20 |
23 |
JM90-
2010 |
JM90-
2015 |
JM90-
2020 |
JM90-
2025 |
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| 22 |
25 |
JM90-
2210 |
JM90-
2215 |
JM90-
2220 |
JM90-
2225 |
JM90-
2230 |
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| 24 |
27 |
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JM90-
2415 |
JM90-
2420 |
JM90-
2425 |
JM90-
2430 |
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| 25 |
28 |
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JM90-
2515 |
JM90-
2520 |
JM90-
2525 |
JM90-
2530 |
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| 28 |
31 |
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JM90-
2815 |
JM90-
2820 |
JM90-
2825 |
JM90-
2830 |
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| 30 |
34 |
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JM90-
3015 |
JM90-
3020 |
JM90-
3025 |
JM90-
3030 |
JM90-
3035 |
JM90-
3040 |
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| 32 |
36 |
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JM90-
3215 |
JM90-
3220 |
JM90-
3225 |
JM90-
3230 |
JM90-
3235 |
JM90-
3240 |
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| 35 |
39 |
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JM90-
3515 |
JM90-
3520 |
JM90-
3025 |
JM90-
3530 |
JM90-
3535 |
JM90-
3540 |
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| 40 |
44 |
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JM90-
4020 |
JM90-
4025 |
JM90-
4030 |
JM90-
4035 |
JM90-
4040 |
JM90-
4050 |
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| 45 |
50 |
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JM90-
4520 |
JM90-
4525 |
JM90-
4530 |
JM90-
4535 |
JM90-
4540 |
JM90-
4550 |
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| 50 |
55 |
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JM90-
5020 |
JM90-
5025 |
JM90-
5030 |
JM90-
5035 |
JM90-
5040 |
JM90-
5050 |
JM90-
5060 |
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| 55 |
60 |
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JM90-
5520 |
JM90-
5525 |
JM90-
5530 |
JM90-
5535 |
JM90-
5540 |
JM90-
5550 |
JM90-
5560 |
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| 60 |
65 |
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JM90-
6025 |
JM90-
6030 |
JM90-
6035 |
JM90-
6040 |
JM90-
6050 |
JM90-
6060 |
JM90-
6070 |
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| 65 |
70 |
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JM90-
6530 |
JM90-
6535 |
JM90-
6540 |
JM90-
6550 |
JM90-
6560 |
JM90-
6570 |
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| 70 |
75 |
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JM90-
7030 |
JM90-
7035 |
JM90-
7040 |
JM90-
7050 |
JM90-
7060 |
JM90-
7070 |
JM90-
7080 |
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| 75 |
80 |
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JM90-
7530 |
JM90-
7535 |
JM90-
7540 |
JM90-
7550 |
JM90-
7560 |
JM90-
7570 |
JM90-
7580 |
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| 80 |
85 |
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JM90-
8030 |
JM90-
8035 |
JM90-
8040 |
JM90-
8050 |
JM90-
8060 |
JM90-
8070 |
JM90-
8080 |
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| 85 |
90 |
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JM90-
8530 |
JM90-
8535 |
JM90-
8540 |
JM90-
8550 |
JM90-
8560 |
JM90-
8570 |
JM90-
8580 |
JM90-
8590 |
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| 90 |
95 |
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JM90-
9030 |
JM90-
9035 |
JM90-
9040 |
JM90-
9050 |
JM90-
9060 |
JM90-
9070 |
JM90-
9080 |
JM90-
9090 |
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| 95 |
100 |
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JM90-
9540 |
JM90-
9550 |
JM90-
9560 |
JM90-
9570 |
JM90-
9580 |
JM90-
9590 |
JM90-
95100 |
| 100 |
105 |
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JM90-
10050 |
JM90-
10060 |
JM90-
10070 |
JM90-
10080 |
JM90-
10090 |
JM90-
100100 |
| 105 |
110 |
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JM90-
10550 |
JM90-
10560 |
JM90-
10570 |
JM90-
10580 |
JM90-
10590 |
JM90-
105100 |
| 110 |
115 |
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JM90-
11050 |
JM90-
11060 |
JM90-
11070 |
JM90-
11080 |
JM90-
11090 |
JM90-
110100 |
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| d |
D |
L 0
~ 0.40 |
| 25 |
30 |
35 |
40 |
50 |
60 |
70 |
80 |
90 |
100 |
| 115 |
120 |
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JM90-
11550 |
JM90-
11560 |
JM90-
11570 |
JM90-
11580 |
JM90-
11590 |
JM90-
115100 |
| 120 |
125 |
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JM90-
12060 |
JM90-
12070 |
JM90-
12080 |
JM90-
12090 |
JM90-
120100 |
| 125 |
130 |
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JM90-
12560 |
JM90-
12570 |
JM90-
12580 |
JM90-
12590 |
JM90-
125100 |
| 130 |
135 |
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JM90-
13060 |
JM90-
13070 |
JM90-
13080 |
JM90-
13090 |
JM90-
130100 |
| 135 |
140 |
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JM90-
13560 |
JM90-
13570 |
JM90-
13580 |
JM90-
13590 |
JM90-
135100 |
| 140 |
145 |
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JM90-
14060 |
JM90-
14070 |
JM90-
14080 |
JM90-
14090 |
JM90-
140100 |
| 145 |
150 |
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JM90-
14560 |
JM90-
14570 |
JM90-
14580 |
JM90-
14590 |
JM90-
145100 |
| 150 |
155 |
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JM90-
15060 |
JM90-
15070 |
JM90-
15080 |
JM90-
15090 |
JM90-
150100 |
| 155 |
160 |
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JM90-
15560 |
JM90-
15570 |
JM90-
15580 |
JM90-
15590 |
JM90-
155100 |
| 160 |
165 |
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JM90-
16060 |
JM90-
16070 |
JM90-
16080 |
JM90-
16090 |
JM90-
160100 |
| 165 |
170 |
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JM90-
16560 |
JM90-
16570 |
JM90-
16580 |
JM90-
16590 |
JM90-
165100 |
| 170 |
175 |
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JM90-
17060 |
JM90-
17070 |
JM90-
17080 |
JM90-
17090 |
JM90-
170100 |
| 175 |
180 |
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JM90-
17560 |
JM90-
17570 |
JM90-
17580 |
JM90-
17590 |
JM90-
175100 |
| 180 |
185 |
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JM90-
18060 |
JM90-
18070 |
JM90-
18080 |
JM90-
18090 |
JM90-
180100 |
| 185 |
190 |
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JM90-
18560 |
JM90-
18570 |
JM90-
18580 |
JM90-
18590 |
JM90-
185100 |
| 190 |
195 |
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JM90-
19060 |
JM90-
19070 |
JM90-
19080 |
JM90-
19090 |
JM90-
190100 |
| 200 |
205 |
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JM90-
20060 |
JM90-
20070 |
JM90-
20080 |
JM90-
20090 |
JM90-
200100 |
| 205 |
210 |
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JM90-
20560 |
JM90-
20570 |
JM90-
20580 |
JM90-
20590 |
JM90-
205100 |
| 215 |
220 |
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JM90-
21560 |
JM90-
21570 |
JM90-
21580 |
JM90-
21590 |
JM90-
215100 |
| 225 |
230 |
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JM90-
22560 |
JM90-
22570 |
JM90-
22580 |
JM90-
22590 |
JM90-
225100 |
| 230 |
235 |
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JM90-
23060 |
JM90-
23070 |
JM90-
23080 |
JM90-
23090 |
JM90-
230100 |
| 240 |
245 |
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JM90-
24060 |
JM90-
24070 |
JM90-
24080 |
JM90-
24090 |
JM90-
240100 |
| 250 |
255 |
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JM90-
25060 |
JM90-
25070 |
JM90-
25080 |
JM90-
25090 |
JM90-
250100 |
| 260 |
265 |
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JM90-
26060 |
JM90-
26070 |
JM90-
26080 |
JM90-
26090 |
JM90-
260100 |
| 270 |
275 |
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JM90-
27060 |
JM90-
27070 |
JM90-
27080 |
JM90-
27090 |
JM90-
270100 |
| 280 |
285 |
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JM90-
28060 |
JM90-
28070 |
JM90-
28080 |
JM90-0
28090 |
JM90-
280100 |
| 290 |
295 |
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JM90-
29060 |
JM90-
29070 |
JM90-
29080 |
JM90-
29090 |
JM90-
290100 |
| 300 |
305 |
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JM90-
30060 |
JM90-
30070 |
JM90-
30080 |
JM90-
30090 |
JM90-
300100 |
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| ▶ Flanged Bushes standard parts JM90 bearings |
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| d |
D |
FD |
L 0
~ 0.04 |
| 15 |
20 |
25 |
30 |
35 |
40 |
50 |
60 |
70 |
80 |
90 |
| 25 |
28 |
35 |
JM90F-
2515 |
JM90F-
2520 |
JM90F-
2525 |
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| 30 |
34 |
45 |
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JM90F-
3020 |
JM90F-
3025 |
JM90F-
3030 |
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| 35 |
39 |
50 |
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JM90F-
3520 |
JM90F-
3525 |
JM90F-
3530 |
JM90F-
3535 |
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| 40 |
44 |
55 |
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JM90F-
4030 |
JM90F-
4035 |
JM90F-
4040 |
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| 45 |
50 |
60 |
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JM90F-
4530 |
JM90F-
4535 |
JM90F-
4540 |
JM90F-
4550 |
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| 50 |
55 |
65 |
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JM90F-
5030 |
JM90F-
5035 |
JM90F-
5040 |
JM90F-
5050 |
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| 55 |
60 |
70 |
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JM90F-
5530 |
JM90F-
5535 |
JM90F-
5540 |
JM90F-
5550 |
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| 60 |
65 |
75 |
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JM90F-
6030 |
JM90F-
6035 |
JM90F-
6040 |
JM90F-
6050 |
JM90F-
6060 |
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| 65 |
70 |
80 |
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JM90F-
6530 |
JM90F-
6535 |
JM90F-
6540 |
JM90F-
6550 |
JM90F-
6560 |
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| 70 |
75 |
85 |
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JM90F-
7035 |
JM90F-
7040 |
JM90F-
7050 |
JM90F-
7060 |
JM90F-
7070 |
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| 75 |
80 |
90 |
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JM90F-
7535 |
JM90F-
7540 |
JM90F-
7550 |
JM90F-
7560 |
JM90F-
7570 |
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| 80 |
85 |
100 |
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JM90F-
8035 |
JM90F-
8040 |
JM90F-
8050 |
JM90F-
8060 |
JM90F-
8070 |
JM90F-
8080 |
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| 90 |
95 |
110 |
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JM90F-
9050 |
JM90F-
9060 |
JM90F-
9070 |
JM90F-
9080 |
JM90F-
9090 |
| 100 |
105 |
120 |
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JM90F-
10050 |
JM90F-
10000 |
JM90F-
10070 |
JM90F-
10080 |
JM90F-
10090 |
| 110 |
115 |
130 |
|
|
|
|
|
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JM90F-
11050 |
JM90F-
11060 |
JM90F-
11070 |
JM90F-
11080 |
JM90F-
11090 |
| 120 |
125 |
140 |
|
|
|
|
|
|
JM90F-
12050 |
JM90F-
12060 |
JM90F-
12070 |
JM90F-
12080 |
JM90F-
12090 |
| 130 |
135 |
155 |
|
|
|
|
|
|
|
JM90F-
13060 |
JM90F-
13070 |
JM90F-
13080 |
JM90F-
13090 |
| 140 |
145 |
165 |
|
|
|
|
|
|
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JM90F-
14060 |
JM90F-
14070 |
JM90F-
14080 |
JM90F-
14090 |
| 150 |
155 |
180 |
|
|
|
|
|
|
|
JM90F-
15060 |
JM90F-
15070 |
JM90F-
15080 |
JM90F-
15090 |
| 160 |
165 |
190 |
|
|
|
|
|
|
|
JM90F-
16060 |
JM90F-
16070 |
JM90F-
16080 |
JM90F-
16090 |
| 170 |
175 |
200 |
|
|
|
|
|
|
|
JM90F-
17060 |
JM90F-
17070 |
JM90F-
17080 |
JM90F-
17090 |
| 180 |
185 |
215 |
|
|
|
|
|
|
|
JM90F-
18060 |
JM90F-
18070 |
JM90F-
18080 |
JM90F-
18090 |
| 190 |
195 |
225 |
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|
JM90F-
19060 |
JM90F-
19070 |
JM90F-
19080 |
JM90F-
19090 |
| 200 |
205 |
235 |
|
|
|
|
|
|
|
JM90F-
20060 |
JM90F-
20070 |
JM90F-
20080 |
JM90F-
20090 |
| 225 |
230 |
260 |
|
|
|
|
|
|
|
JM90F-
22560 |
JM90F-
22570 |
JM90F-
22580 |
JM90F-
22590 |
| 250 |
255 |
290 |
|
|
|
|
|
|
|
JM90F-
25060 |
JM90F-
25070 |
JM90F-
25080 |
JM90F-
25090 |
| 265 |
270 |
305 |
|
|
|
|
|
|
|
JM90F-
26560 |
JM90F-
26570 |
JM90F-
26580 |
JM90F-
26590 |
| 285 |
290 |
325 |
|
|
|
|
|
|
|
JM90F-
28560 |
JM90F-
28570 |
JM90F-
28580 |
JM90F-
28590 |
| 300 |
305 |
340 |
|
|
|
|
|
|
|
JM90F-
30060 |
JM90F-
30070 |
JM90F-
30080 |
JM90F-
30090 |
|
| |
