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608TR Series Shaft Mounted Gear Drive

*15, 25, 30 and 40:1 ratios are double reduction and use the

2 15/16 inch high speed shaft in alternate location shown. (Double Reduction dimensions in parentheses.)

MODEL

ACTUAL RATIOS

14.647

25.147

31.706

36.761

58.897

80.145

SHIPPING

WEIGHT (LBS.)

2600

2710

MODEL

ACTUAL RATIOS

99.802

125.833

148.696

169.944

197.039

217.37

SHIPPING
WEIGHT (LBS.)

2710

QUICK RELEASE TAPERED BUSHINGS:

The bushing kit contains a bushing, nut, key(s) and mounting screws.
The recommended driven shaft length is 20.25 inches and uses the recommended keyway length.
When an application requires the minimum driven shaft length, the keyway must be keyed along the entire length.
Consult factory for bore sizes not shown.

BUSHING KIT NO. *

WEIGHT (LBS.)

TYPE

DRIVEN SHAFT DIMENSIONS (INCHES)

DIA.

KEYWAY WIDTH X DEPTH

RECOMMENDED KEYWAY LENGTH

MINIMUM DRIVEN SHAFT LENGTH

608T608

6 1/2

1 1/2 x 3/4

14 1/2

16 1/8

608T607

6 7/16

1 1/2 x 3/4

14 1/2

16 1/8

608T600

103

1 1/2 x 3/4

15 1/2

608T515

106

5 15/16

1 1/2 x 3/4

15 1/2

608T507

128

5 7/16

1 1/4 x 5/8

15 1/2

NOTES, OPTIONS & ACCESSORIES

MOTOR MOUNTS (6MM and 6MM-1)

V-BELT CENTER DISTANCES FOR MOUNTING POSITIONS SHOWN (INCHES)

MOTOR MOUNT POSITION

254T/256T
X = 6 1/2

284T/286T
X = 6 1/2

324T/326T
X = 6 1/2

364T/365T
X = 6 1/2

404T/405T
X = 7 1/2

444T/445T
X = 8 1/4

MIN.

MAX.

MIN.

MAX.

MIN.

MAX.

MIN.

MAX.

MIN.

MAX.

MIN.

MAX.

'A'

24.34

28.76

25.05

29.48

26.00

30.45

26.96

31.42

27.92

32.38

28.88

33.36

'B'

32.63

37.14

33.36

37.87

34.33

38.85

35.30

39.83

36.28

40.81

37.26

41.79

'C'

30.87

34.47

31.44

35.07

32.20

35.89

32.98

36.71

33.77

37.54

34.57

38.39

'D'

37.75

41.71

38.39

42.37

39.23

43.24

40.09

44.13

40.95

45.01

41.82

45.91

'E'

23.13

27.69

23.87

28.43

24.85

29.42

25.84

30.41

26.82

31.40

27.81

32.39

'F'

51.21

55.82

51.96

56.57

52.95

57.56

53.95

58.56

54.95

59.56

55.94

60.55

SCOOP MOTOR MOUNT OPTION
Scoop Motor Mounts are available only for models 415, 507, 608 & 700, and permissible only in the 6 o'clock orientation. See Scoop Mount page for diagram, notes and dimensions.

FACE MOUNTING
Face mounting holes are not drilled on standard units -- Contact factory if face mounting is desired.

TORQUE ARM

The preferred position for the torque arm is 90° to a line between the point of attachment of the torque arm to the drive and the low speed shaft. The torque arm must be in tension. Keep the torque plate in the position shown.

EXTERNAL BACKSTOP KIT -

Backstop Kits are not available to order online. Please contact SGC Dorris for details.

Backstop extensions are standard on double reduction drives and can be supplied on single reduction drives if specified when order is placed. See Backstop Kit section for backstop torque capacity.
Kit no. BS608TR- 30:1 thru 40:1 ratios
Kit no.BS608TR-1 - 10:1 thru 25:1 ratio
Kit no.BS608TR-5 - 5:1 ratio