DRIVE SYSTEM DIMENSIONAL DATA
Model 821 – Adjustable Center Drive with 7713c Mounting Collet
- Standard Bore Sizes: 1-1/8″, 1-1/4″, 1-3/8″, 1-1/2″, 1-5/8″, 1-3/4″, 1-7/8″, 38mm, 48mm
- Bore Depth: 4-7/8 “
- Maximum Bore Size: 2 ” with Collet, 2-3/16 ” less Collet
- Approximate Pitch Diameters:
- Maximum: 11.6 “
- Minimum: 3.8 “
- Weight: 20.5 lbs.
POWER CURVES vs. DRIVEN SPEED
HORSEPOWER RATINGS
| 20, 15 H.P. | with 1750 RPM Driver |
| 10 H.P. | with 1150 RPM Driver |
COMPANION SHEAVE DIMENSIONS
|
COMPANION
SHEAVE |
SHEAVE
OUTER DIA. |
|
11
|
|
|
12
|
|
|
13
|
|
|
14
|
|
|
16
|
|
|
18.4
|
|
|
20.4
|
|
|
22.4
|
|
|
24.4
|