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SF-2边界润滑轴承系列

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SF-2Y 边界润滑无铅轴承



        该产品与SF-2具有相同结构和使用性能,同时具有环保功能,在边界润滑条件下可长期使用而不加油,耐磨层表面有储油坑。产品广泛应用于冶金机械、矿山机械、水利机械、汽机车、建筑机械、农用机械、轧钢行业、食用机械、制药机械、烟草机械等。

※技术参数:Technical Data

性能指标 数据
最大承载 P 静载 250N/mm2
动载 150N/mm2
最高线速度 V 脂润滑 2.5m/s
最高PV值 脂润滑 3.6N/mm2 •m/s
摩擦系数μ 脂润滑 0.05~0.25
使用温度 -40℃~+130℃
导热系数 4W/m•K
热膨胀系数 12×10-6/K


                                                                                                                                                    单位Unit: mm
轴径
Ds
h8
座孔
H7
DH
外径公差
DO
压装后配合内孔公差
Di,a
配合间隙
CD
壁厚
S3
油孔
dL
L0
-0.40
10152025303540455060
10 -0.02212 +0.01812+0.06510.108
10.040
0.130
0.040
0.980
0.955
4101010151020       
+0.030
12 -0.02714 +0.01814+0.06512.108
12.040
0.135
0.040
121012151220       
+0.030
14 -0.02716 +0.01816+0.06514.108
14.040
 14151420       
+0.030
15 -0.02717 +0.01817+0.06515.108
15.040
 151515201525      
+0.030
16 -0.02718 +0.01818+0.06516.108
16.040
 161516201625      
+0.030
18 -0.02720 +0.02120+0.07518.111
18.040
0.138
0.040
 181518201825      
+0.035
20 -0.03323 +0.02123+0.07520.131
20.050
0.164
0.050
1.475
1.445
 2015202020252030     
+0.035
22 -0.03325 +0.02125+0.07522.131
22.050
 2215 2225      
+0.035
25 -0.03328 +0.02128+0.07525.131
25.050
6 2515252025252530     
+0.035
28 -0.03332 +0.02532+0.08528.155
28.060
0.188
0.060
1.970
1.935
  2820 2830     
+0.045
30 -0.03334 +0.02534+0.08530.155
30.060
  302030253030 3040   
+0.045
35 -0.03939 +0.02539+0.08535.155
35.060
0.194
0.060
  3520 353035353540   
+0.045
40 -0.03944 +0.02544+0.08540.155
40.060
8  4020 4030 4040 4050 
+0.045
45 -0.03950 +0.02550+0.08545.195
45.080
0.234
0.080
2.460
2.415
  4520 4530 454045454550 
+0.045
50 -0.03955 +0.03055+0.10050.200
50.080
0.239
0.080
    5030 5040 50505060
+0.055
55 -0.04660 +0.03060+0.10055.200
55.080
0.246
0.080
    5530 5540 55505560
+0.055
60 -0.04665 +0.03065+0.10060.200
60.080
    6030 6040 60506060
+0.055
轴径
Ds
h8
座孔
H7
DH
外径公差
DO
压装后配合内孔公差
Di,a
配合间隙
CD
壁厚
S3
油孔
dL
L0
-0.40
405060809095100110120
65 -0.04670 +0.03070+0.10065.200
65.080
0.246 
0.080
2.460
2.415
86540 6560      
+0.055
70 -0.04675+0.03075+0.10070.200
70.080
70407050 7080     
+0.055
75 -0.04680 +0.03080+0.10075.200
75.080
7540 75607580     
+0.055
80 -0.04690 +0.03590+0.12080.265
80.100
0.313
0.100
2.450
2.385
9.58040 80608080     
+0.070
85 -0.05495 +0.03595+0.12085.265
85.100
0.321
0.100
8540 85608580     
+0.070
90 -0.054100 +0.035100+0.12090.265
90.100
9040 906090809090    
+0.070
100 -0.054105 +0.035105+0.120100.265
100.100
 10050 10080 10095   
+0.070
105 -0.054110 +0.035110+0.120105.265
105.100
  1056010580 10595 105110 
+0.070
110 -0.054115 +0.035115+0.120110.265
110.110
  1106011080 11095 110110 
+0.070
120 -0.054125 +0.040125+0.170120.270
120.110
0.324
0.100
  1206012080   120110 
+0.100
125 -0.063130+0.040130+0.170125.270
125.110
  12560    125110 
+0.100
130 -0.063135 +0.040135+0.170130.270
130.110
 130501306013080  130100  
+0.100
140 -0.063145 +0.040145+0.170140.270
140.110
 140501406014080  140100  
+0.100
150 -0.063155 +0.040155+0.170150.270
150.110
 150501506015080  150100  
+0.100
160 -0.063165 +0.040165+0.170160.270
160.110
9.5 160501606016080  160100  
+0.100
170 -0.063175 +0.040175+0.170170.270
170.110
 17050 17080  170100  
+0.100
180 -0.063185 +0.046185+0.210180.270
180.110
0.339
0.110
 180501806018080  180100  
+0.130
190 -0.072195 +0.046195+0.210190.276
190.110
 190501906019080  190100 190120
+0.130
200 -0.072205 +0.046205+0.210200.276
200.110
 200502006020080  200100 200120
+0.130
220 -0.072225 +0.046225+0.210220.276
220.110
9.5 220502206022080  220100 220120
+0.130
240 -0.072245 +0.046245+0.210240.276
240.110
 240502406024080  240100 240120
+0.130
250 -0.072255 +0.052255+0.260250.282
250.110
0.354
0.110
 250502506025080  250100 250120
+0.170
260 -0.081265 +0.052265+0.260260.282
260.110
 260502606026080  260100 260120
+0.170
280 -0.081285 +0.052285+0.260280.282
280.110
 280502806028080  280100 280120
+0.170
300 -0.081305 +0.052305+0.260300.282
300.110
 300503006030080  300100 300120
+0.170


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