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Home  > PRODUCTS  > Bearing Element  >  DFA - PTFE Hydraulic Bearing Element with NBR/FKM O-Ring
DFA - PTFE Hydraulic Bearing Element with NBR/FKM O-Ring

DFA - PTFE Hydraulic Bearing Element with NBR/FKM O-Ring

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1. Installation Recommendation

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2. Application and properties

Applicable to as the guide sleeve of piston rod, can support and guide the piston rod. Excellent vibration reducing performance, installation is simple and secure. The metal and plastic material pairing can prevent the "stagnation" and "seizure" phenomenon.


3. Standard materials

Filled PTFE / PA / POM

4. Working Conditions

Working  Conditions

Diameter Range

Pressure Range

Temperature Range

Speed

Medium

40 - 1000mm

-

-55℃ +225

3 m/s

general hydraulic oil, emulsion, water

 

5. Installation Dimensions

D

d

D1

H

c

a

Order No.

40

45

50

32

37

42

36

41

46

12

12

12

3.5

3

3

4.7

4.7

6.2

DFA40*32*12

DFA45*37*12

DFA50*42*12

55

56

57

47

48

49

51

52

53

12

12

12

3

3

3

6.2

6.2

6.2

DFA55*47*12

DFA56*48*12

DFA57*49*12

58

60

63

50

52

55

54

56

59

12

12

12

3

3

3

6.2

6.2

6.2

DFA58*50*12

DFA60*52*12

DFA63*55*12

65

70

75

57

62

67

61

66

71

12

12

12

3

3

3

6.2

6.2

6.2

DFA65*57*12

DFA70*62*12

DFA75*67*12

80

85

90

72

77

82

76

81

86

14

14

14

3

3

3

7.2

7.2

7.2

DFA80*72*14

DFA85*77*14

DFA90*82*14

95

100

105

87

92

97

91

96

101

14

14

14

3

3

3

7.2

7.2

7.2

DFA95*87*14

DFA100*92*14

DFA105*97*14

110

115

120

102

107

112

106

111

116

14

14

14

3

3

3

7.2

7.2

7.2

DFA110*102*14

DFA115*107*14

DFA120*112*14

125

130

135

115

120

125

121

126

131

17.5

17.5

17.5

4

4

4

9.2

4.3

9.2

DFA125*115*17.5

DFA130*120*12.3

DFA135*125*17.5

140

145

150

130

135

140

136

141

146

17.5

17.5

17.5

4

4

4

9.2

9.2

9.2

DFA140*130*17.5

DFA145*135*17.5

DFA150*140*17.5

155

160

170

145

150

160

151

156

166

17.5

17.5

20

4

4

6

9.2

9.2

9.2

DFA155*145*17.5

DFA160*150*17.5

DFA170*160*20

180

190

200

170

180

190

176

186

196

20

20

20

6

4.5

4.5

9.2

11.7

11.7

DFA180*170*20

DFA190*180*20

DFA200*190*20

210

220

225

200

210

215

206

216

221

25

25

25

8

8

8

11.7

11.7

11.7

DFA210*200*25

DFA220*210*25

DFA225*215*25

230

250

265

220

240

255

226

246

261

25

33

33

8

15

15

11.7

11.7

11.7

DFA230*220*25

DFA250*240*33

DFA265*255*33

 

d

D

D1

H

c

a

Order No.

280

300

350

270

290

338

276

296

344

33

33

35

15

15

8.5

11.7

11.7

13.25

DFA280*270*33

DFA300*290*33

DFA350*338*35

400

450

500

388

438

488

394

444

494

35

35

35

8.5

8.5

8.5

13.25

13.25

13.25

DFA400*388*35

DFA450*438*35

DFA500*488*35

560

600

650

548

588

638

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