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无油轴承
产品型号:
产品产地:合肥
发布日期:2019-12-05
浏览次数:
咨询电话:0551-65375982
关 键 词: 复合轴承 滑动轴承 无油轴承 自润滑轴承 钢球保持架 石墨铜套
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详细介绍

该产品以优质低碳钢为基体,中间烧结球形青铜层,表面轧制改性聚四氟乙烯(PTFE)和铅的混合物。它具有较好的自润滑、耐磨损、摩擦系数低、走合性能好、低噪音等性能,产品广泛应用于各种机械的滑动部位,如纺织机、印刷机、液压搬运车、烟草机、健身器、农业机械等。

※技术参数:Technical Data

性能指标数据
更大承载 P静载250N/mm2
动载140N/mm2
更高线速度 V干摩擦2.5m/s
油润滑5.0m/s
更高PV值干摩擦3.6N/mm2 ?m/s
油润滑50N/mm2 ?m/s
摩擦系数μ干摩擦0.04~0.20
油润滑0.02~0.07
使用温度-195℃~+280℃
导热系数42W/m·K
热膨胀系数11×10-6 /K


单位Unit: mm
轴径
Ds
座孔
H7
DH
外径公差
DO
压装后内孔公差
Di,a
壁厚
S3
f1f2
L0(d≤Φ28 L-0.30)
-0.40(d≤Φ28 L-0.40)
681012152025304050
20
-0.006
3.5 +0.0083.5+0.0552.055
1.990
0.750
0.730
0.40.3









+0.025
40
-0.008
5.5 +0.0085.5+0.0554.055
3.990
04060408







+0.0251.005
0.980
0.60.3
5-0.010
-0.022
7 +0.0157+0.0555.055
4.990
050605080510






+0.025
6-0.010
-0.022
8 +0.0158+0.0556.055
5.990
060606080610






+0.025
8-0.013
-0.028
10 +0.01510+0.0558.055
7.990
08060808081008120815




+0.025
10-0.013
-0.028
12 +0.01812+0.06510.058
9.990
100610081010101210151020



+0.030
12-0.016
-0.034
14 +0.01814+0.06512.058
11.990
1206120812101212121512201225


+0.065
13-0.016
-0.034
15 +0.01815+0.06513.058
12.990


1310

1320



+0.065
14-0.016
-0.034
16 +0.01816+0.06514.058
13.990


14101412141514201425


+0.065
15-0.016
-0.034
17 +0.01817+0.06515.058
14.990


15101512151515201525


+0.065
16-0.016
-0.034
18 +0.01818+0.06516.058
15.990


16101612161516201625


+0.065
17-0.016
-0.034
19+0.02119+0.07517.061
16.990


17101712
1720



+0.035
18-0.016
-0.034
20+0.02120+0.07518.061
17.990


18101812181518201825


+0.035
20-0.020
-0.041
23+0.02123+0.07520.071
19.990
1.505
1.475
0.60.4

201020122015202020252030

+0.035
22-0.020
-0.041
25+0.02125+0.07522.071
21.990


221022122215222022252230

+0.035
24-0.020
-0.041
27+0.02127+0.07524.071
23.990




2415242024252430

+0.035
25-0.020
-0.041
28+0.02128+0.07525.071
24.990


25102512251525202525253025402550
+0.035
28-0.020
-0.041
32+0.02532+0.08528.085
27.990
2.005
1.975
1.20.4



28152820282528302840
+0.045
30-0.020
-0.041
34+0.02534+0.08530.085
29.990



301230153020302530303040
+0.045
32-0.025
-0.050
36+0.02536+0.08532.085
31.990





3220
32303240
+0.045
35-0.025
-0.050
39+0.02539+0.08535.085
34.990



3512351535203525353035403550
+0.045
38-0.025
-0.050
42+0.02542+0.08538.085
37.990




3815

38303840
+0.045
40-0.025
-0.050
44+0.02544+0.08540.085
39.990



4012
40204025403040404050
+0.045
































































轴径
Ds
座孔
H7
DH
外径公差
DO
压装后内孔公差
Di,a
壁厚
S3
f1f2
L0(d≤Φ28 L-0.30)
-0.40(d≤Φ28 L-0.40)
2025304050607080100115
45-0.050
-0.025
50+0.02550+0.08545.105
44.990
2.505
2.460
1.80.645204525453045404550




+0.045
50-0.050
-0.025
55+0.03055+0.10050.110
49.990
5020
5030504050505060



+0.055
55-0.060
-0.030
60+0.03060+0.10055.110
54.990


5530554055505560



+0.055
60-0.060
-0.030
65+0.03065+0.10060.110
59.990


60306040605060606070


+0.055
65-0.060
-0.030
70+0.03070+0.10065.110
64.990


65306540655065606570


+0.055
70-0.060
-0.030
75+0.03075+0.10070.110
69.990



70407050706070707080

+0.055
75-0.060
-0.030
80+0.03080+0.10075.110
74.990


753075407550756075707580

+0.055
80-0.04585+0.03585+0.12080.155
80.020
2.490
2.440
1.80.6


8040805080608070808080100
+0.070
85-0.05490+0.03590+0.12085.155
85.020



8540
8560
858085100
+0.070
90-0.05495+0.03595+0.12090.155
90.020



904090509060
908090100
+0.070
95-0.054100+0.035100+0.12095.155
95.020




95509560
958095100
+0.070
100-0.054105+0.035105+0.120100.155
100.020




1005010060
10080
100115
+0.070
105-0.054110+0.035110+0.120105.155
105.020





10560
10580
105115
+0.070
110-0.054115+0.035115+0.120110.115
110.020





11060
11080
110115
+0.070
120-0.054125+0.040125+0.170120.210
120.070
2.465
2.415
1.80.6




12060
12080120100
+0.100
125-0.054130+0.040130+0.170125.210
125.070





12560

125100125115
+0.100
130-0.063135+0.040135+0.170130.210
130.070





13060
13080130100
+0.100
140-0.063145+0.040145+0.170140.210
140.070





14060
14080140100
+0.100
150-0.063155+0.040155+0.170150.210
150.070





15060
15080150100
+0.100
160-0.063165+0.040165+0.170160.210
160.070





16060
16080160100160115
+0.100
180-0.063185+0.046185+0.210180.216
180.070
2.465
2.415
1.80.6






18080180100
+0.130
190-0.072195+0.046195+0.210190.216
190.070







19080190100
+0.130
200-0.072205+0.046205+0.210200.016
200.070







20080200100
+0.130
220-0.072225+0.046225+0.210220.216
220.070





22060
22080220100
+0.130
250-0.072255+0.052255+0.260250.222
250.070
2.465
2.415
1.80.6






25080250100
+0.170
260-0.081265+0.052265+0.260260.222
260.070







26080260100
+0.170
280-0.081285+0.052285+0.260280.222
280.070







28080280100
+0.170
300-0.081305+0.052305+0.260300.222
300.070










+0.170