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SF-1复合无油润滑轴承系列

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SF-1W 无铅环保轴承



       SF-1W无铅轴承,是在SF-1材料基础上根据国际环保要求而开发的一种新产品。该产品除广泛适用于一般通用机械外,对食品机械、制药机械、烟草机械尤其适用,无铅效果符合欧洲卫生标准,是无油润滑轴承发展的方向。

※技术参数:Technical Data

性能指标 数据
最大承载 P 静载 250N/mm2
动载 140N/mm2
最高线速度 V 干摩擦 2.5m/s
油润滑 5.0m/s
最高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 0.08~0.20
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