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Backstops are used extensively on pumps used in the primary and secondary cooling systems of power generating equipment.
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Telephone:86-519-85858018
Linkman:Ellen Zhang
Mobile phone:86-18068536660
FAX:86-519 85858018
E-mail:ellen@chinasuma.com
address:DONGHUA INDUSTRY PARK, WUJIN DISTRICT, CHANGZHOU, JIANGSU PROVINCE, CHINA PR.
            
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Roller type freewheel ALF2D2
  • https://www.chinasuma.com/uploadfiles/103.224.250.119/webid106/pc_water/201601/145283876065.png
introduction

Roller type freewheel ALF2D2

Feature

Types AL..F2D2/F4D2 are roller type freewheels, self-contained, sealed and bearing supported, using two 160.. series bearings. Units are delivered oil lubricated.

Primarily used as overrunning or indexing clutches, the cover combination is chosen according to the type of drive, as shown overleaf. D2 cover is used to close the unit. It is equipped with two screws for oil filling, drain and level.The shaft seal is a V-ring type. Cover and seal have been designed to be oil proof with minimum drag torque.

We recommend the unit is supplied assembled. Please specify inner race direction of rotation seen from the D2 flange.



 

Type

Size

 

Overrunning speeds

 

Weight

Drag torque

AL..F2D2
AL..F4D2

dH7

TKN1)

nimax2)

namax3)

Dh7

L 1

z

O

f

 

 

TR

[mm]

[Nm]

[min-1]

[min-1]

[mm]

[mm]

 

 

[mm]

[mm]

[kg]

[Ncm]

12

55

2500

7200

62

42

3

5.5

0.5

0.9

11

15

125

1900

6500

68

52

3

5.5

0.8

1.3

15

20

181

1600

5600

75

57

4

5.5

0.8

1.7

18

25

288

1400

4500

90

60

6

6.6

1

2.6

36

30

500

1300

4100

100

68

6

6.6

1

3.5

48

35

725

1100

3800

110

74

6

6.6

1

4.5

60

40

1025

950

3400

125

86

6

9

1.5

6.9

84

45

1125

900

3200

130

86

8

9

1.5

7.1

94

50

2125

850

2800

150

92

8

9

1.5

10.1

128

55

2625

720

2650

160

104

8

11

2

13.1

150

60

3500

680

2450

170

114

10

11

2

15.6

160

70

5750

580

2150

190

134

10

11

2.5

20.4

360

80

8500

480

1900

210

144

10

11

2.5

26.7

360

90

14500

380

1700

230

158

10

14

3

39

680

100

20000

350

1450

270

182

10

18

3

66

880

120

31250

250

1250

310

202

12

18

3

91

1200

150

70000

180

980

400

246

12

22

4

186

1350

200

175000

120

750

520

326

18

26

5

425

4200

250

287500

100

620

610

396

20

33

5

680

6500

ALM..F2D2
ALM..F4D2

25

388

1100

2800

90

60

4

6.6

1

2.7

41

30

588

1000

2500

100

68

6

6.6

1

3.65

64

35

838

900

2400

110

74

6

6.6

1

4.7

76

 

NOTES

1) T max = 2 × T KN
» Refer to Selection page 10 to 13
2) Inner race overruns
3) Outer race overruns
Keyway to DIN 6885.1
When ordering, please specify direction of rotation seen
from arrow
A“: „R“ Inner race overruns in clockwise direction,„L“
Inner race overruns in counterclockwise
» Refer to mounting and maintenance instructions
page 16 to 19

MOUNTING EXAMPLE


 

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Tag:cam clutch,one way roller bearing,roller freewheel
Telephone: 86-519-85858018    Mobile phone: 86-18068536660    Fax: 86-519 85858018
E-mail: ellen@chinasuma.com
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