MODEL
307TR05
307TR10
307TR15
307TR20
307TR25
307TR30
307TR35
307TR40
ACTUAL RATIOS
6.467
10.974
15.669
19.169
24.742
30.928
34.797
39.140
SHIPPING WEIGHT (LBS.)
310
335
QUICK RELEASE TAPERED BUSHINGS:
BUSHING KIT NO. *
WEIGHT (LBS.)
TYPE
DRIVEN SHAFT DIMENSIONS (INCHES)
DIA.
KEYWAY WIDTH X DEPTH
RECOMMENDED KEYWAY LENGTH
MINIMUM DRIVEN SHAFT LENGTH
307T307
1
3 7/16
7/8 x 7/16
8 5/8
8 3/8
307T303
3 3/16
3/4 x 3/8
307T300
3
307T215
2
2 15/16
307T214
2 7/8
307T211
2 11/16
5/8 x 5/16
10 7/8
307T208
2 1/2
307T207
2 7/16
NOTES, OPTIONS & ACCESSORIES
MOTOR MOUNTS (3MM -- 117 lbs.)
Motor brackets are shown in the intermediate position. The brackets can be raised or lowered 5.50 inches to the high or low position by moving to the next set of mounting holes.
The motor brackets can be mounted on either the long (6 o'clock) or short (3 o'clock) sides of the housing.
V-BELT CENTER DISTANCES FOR INTERMEDIATE MOUNTING POSITION (INCHES)
MOTOR MOUNT ORIENTATION
MOTOR FRAME SIZE
182T/184T
213T/215T
254T/256T
284T/286T
324T/326T
364T/365T
MIN.
MAX.
SINGLE REDUCTION
6:00
30.00
33.00
30.75
33.75
31.75
34.75
32.50
35.49
33.50
36.49
34.50
37.49
3:00
25.00
27.96
25.74
28.70
26.72
29.69
27.47
30.43
28.46
31.42
29.44
32.41
DOUBLE REDUCTION
30.26
33.23
31.00
33.97
31.99
34.97
32.73
35.71
33.73
36.70
34.72
37.70
19.08
22.01
19.81
22.75
20.79
23.73
21.52
24.47
22.50
25.45
23.49
26.44
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 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. BS307TR- 30:1 thru 40:1 ratios Kit no.BS307TR-1 - 10:1 thru 25:1 ratio Kit no.BS307TR-5 - 5:1 ratio
