SP321P clutch0 pages
Model SP321P Series
Twin Disc Power Take-Offs
Standard SP Clutch
SP321P
Quality is Standard
• available in sizes 11.5“ thru 21.0“
• tapered roller main bearings
• Optional sintered iron plates
• Optional ball bearing throw out
• built in hex nut
• creates suitable application torque capacity
• more suitable for side load applications
• Creates 25% higher torque capacity
• allows for more frequent engagements
• Eases adjustment verification
SPECIFICATIONS – SP321P
Model
Number
SAE
HSG.
SP321P9
00
Maximum Safe Speed
Max. Input Torque
Nm (lb-ft)
Solid Plates
Split Plates
Organic
Sintered
Cast
Drive Ring
Nodular
Drive Ring
Cast
Drive Ring
Nodular
Drive Ring
9132 (6730)
11398 (8400)
1800
N/A
1400
N/A
Weight
kg (lbs)
503 (1110)
Load classifications based upon agma load characteristics
PRIME MOVER
Electric motor
Multi-cylinder internal
combustion engine
Multi-cylinder internal
combustion engine
with high torque rise
Single cylinder internal
combustion engine
duration
of service
Up to 3 hours per day
3–10 hours per day
Over 10 hours per day
Up to 3 hours per day
3–10 hours per day
Over 10 hours per day
Up to 3 hours per day
3–10 hours per day
Over 10 hours per day
Up to 3 hours per day
3–10 hours per day
Over 10 hours per day
Driven Machine Load Classifications
Uniform Moderate Shock Heavy Shock
1.00
1.00
1.25
1.00
1.25
1.50
1.50
1.75
2.00
1.25
1.50
1.75
1.25
1.25
1.50
1.25
1.50
1.75
1.75
2.00
2.25
1.50
1.75
2.00
1.50
1.75
2.00
1.75
2.00
2.25
2.25
2.50
2.75
2.00
2.25
2.50
To calculate application torque:
5252 x HP
= Torque
Engine RPM
Torque x Load Factor = Application Torque
Use load factor from chart at left
All clutch engagements to be with prime mover below 1000 RPM. High inertia loads may require use of larger clutch.
Contact Twin Disc application engineering department for assistance.
Specifications subject to change without prior notice in the interest of continual product improvement.
Contact your local Twin Disc representative for engineering specifications.