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CLUTCH SELECTION GUIDE

Noram 4000 Series Sprocket Clutches

Automatic centrifugal clutch
Rated up to 5 HP
2000 RPM Engagement
Overload Protection
No-load Starting
Easy Installation

Bi-Directional
Speed Control
3/16" Keyway
4" Drum diameter
Industrial Strength Quality

Part No	Bore	Bearing	Teeth	Chain
NOR40009	3/4"	Bushing	12	#35
NOR40011	3/4"	Bushing	10	#40/41
NOR40013	3/4"	Needle	13	#35

Maxtorque Sprocket Clutches

Automatic centrifugal clutch
No-Direction Clutch (Inboard or Outboard)
Sintered Metal Shoes
Weldless construction
Oilite Bushing
No adjustment required
Great for Go-Karts & Mini Bikes

Part No	Bore	Keyway	Teeth	Chain
STE255109	5/8"	3/16"	12	#35
STE255117	5/8"	3/16"	10	#41
STE255125	3/4"	3/16"	12	#35
STE255133	3/4"	3/16"	10	#41

Comet Sprocket Clutches

Automatic centrifugal clutch
Rated from 2.5 to 8 HP
No-Direction Clutch (Inboard or Outboard)
One Piece Sintered Metal Shoes
4" OD
Great for Go-Karts & Mini Bikes

Part No	Bore	Keyway	Teeth	Chain
STE255000	5/8"	3/16"	12	#35
STE255026 *	1"	1/4"	12	#35
STE255018	3/4"	3/16"	12	#35
STE255042	3/4"	3/16"	10	#40/41
STE255059 *	1"	1/4"	10	#41
* Note: Outboard Mounting Only

Hilliard Sprocket Clutches

Automatic centrifugal Clutch
High Performance
Rated for up to 8 HP
Thermodynamic design absorbs heat without damaging springs

Part No	Bore	Teeth	Chain	OD	Height
STE255220	3/4"	10	#40/41	4 3/16"	2 9/32"
STE255224	3/4"	12	#35	4 3/16"	2 9/32"

Noram 1600 Series Sprocket Clutches

Automatic Centrifugal Clutch
Rated for 6 - 10 HP
No Load Starting
Overload Protection
Speed Control
360 Degree Contact Surface
Designed for more horsepower

Ideal Applications Include:

Construction Equipment
Drilling Equipment
Garden Equipment
Chipper-shredders
Road Machinery
Farm Machinery
Stump Cutters
Earth Augers
Compactors

Part No	Bore	Keyway	Bearing	Teeth	Chain	A	B	C
NOR160147	3/4"	3/16"	Bushing	10	#40/41	4.7031"	2.5000"	0.6094"
NOR160151 *	1"	1/4"	Needle	12	#35	4.7031"	2.9375"	0.5625"
NOR160153 *	1"	1/4"	Needle	10	#40/41	4.7031"	2.9375"	0.5625"
NOR160155	1"	1/4"	Bushing	14	#40/41	4.7031"	2.8438"	0.7344"
NOR160157	1"	1/4"	Bushing	17	#35	4.7031"	2.8438"	0.7344"
* Note: Outboard Mounting Only

Noram 4000 Series Pulley Clutches

Automatic centrifugal clutch
Rated up to 5 HP
2000 RPM Engagement
Overload Protection
No-load Starting
Easy Installation

Bi-Directional
Speed Control
3/16" Keyway
4" Drum diameter
Industrial Strength Quality

Part No Bore Bearing Pulley OD Pulley Groove Pulley Type

NOR40020 3/4" Bushing 3.5" 1 AB

NOR40026 3/4" Ball 4.0" 1 AB

NOR40028 3/4" Ball 5.5" 1 AB

Maxtorque Pulley Clutches

Automatic centrifugal clutch
No-Direction Clutch (Inboard or Outboard)
Sintered Metal Shoes
Weldless construction
Oilite Bushing
No adjustment required
Great for Go-Karts & Mini Bikes

Part No Bore Keyway Pulley Diameter Belt Size OD

STE255307 5/8" 3/16" 3 1/4" A or B 4 1/4"

STE255315 3/4" 3/16" 3 1/4" A or B 4 1/4"

Comet Pulley Clutches

Automatic centrifugal clutch
Rated from 2.5 to 8 HP
No-Direction Clutch (Inboard or Outboard)
One Piece Sintered Metal Shoes
4" OD
Great for Go-Karts & Mini Bikes

Part No	Bore	Keyway	Pulley Diameter	Belt Size
STE255075	3/4"	3/16"	3"	A or B
STE255091	1"	1/4"	3"	A or B

Automatic centrifugal Belt Tensioner
Positive Engagement
Greater Torque
Less Slip
Extended Belt Life
Cast Iron Construction
Perfect for Walk Behind Trowels and Similar Implements

At a pre-determined rpm(2000), centrifugal force moves the shoes outward and wedges the clutch drum toward the pulley to close the groove and engage the belt.

Part No Bore Belt Size

NORWE01 3/4" A

NORWE02 3/4" B

NORWE03 7/8" A

NORWE05 1" A

NORWE06 1" B

Noram 1600 Series Pulley Clutches

Automatic Centrifugal Clutch
Rated for 6 - 10 HP
No Load Starting
Overload Protection
Speed Control
360 Degree Contact Surface
Designed for more horsepower

Ideal Applications Include:

Construction Equipment
Drilling Equipment
Garden Equipment
Chipper-shredders
Road Machinery
Farm Machinery
Stump Cutters
Earth Augers
Compactors

Part No	Bore	Keyway	Bearing	Pulley OD	Pulley Groove	Pulley Type	A	B	C
NOR160003	3/4"	3/16"	Bushing	3.50"	1	AB	5"	2.8438"	1.0625"
NOR160005	3/4"	3/16"	Ball	4.00"	1	AB	5"	2.6875"	0.8125"
NOR160007	3/4"	3/16"	Ball	5.50"	1	AB	5"	2.8438"	0.8125"
NOR160015	1"	1/4"	Bushing	3.50"	1	AB	5"	2.8438"	1.0625"
NOR160016	1"	1/4"	Bushing	4.00"	1	AB	5"	2.8438"	0.8438"
NOR160017	1"	1/4"	Bushing	3.50"	2	AB	5"	3.6563"	1.0625"
NOR160021	1"	1/4"	Ball	4.00"	1	AB	5"	2.6875"	0.8125"
NOR160023	1"	1/4"	Ball	4.00"	2	AB	5"	3.3125"	0.6875"
NOR160027	1"	1/4"	Ball	5.50"	1	AB	5"	2.8438"	0.8125"

Noram 1800 Series Pulley Clutches

Engineered for a broad range of power demanding industrial applications
Three shoe configuration allows 360 degrees of contact surface for maximum torque efficiency with less slip and greater operating range
Shoe linings have high coefficient of friction and are resistant to wear, fading and troublesome vibration
Meets most industrial requirements

Ideal Applications Include:

Pumps
Compressors
Floor Buffers<
Construction Equipment
Drilling Equipment
Garden Equipment
Chipper-Shredders
Road Machinery
Farm Machinery
Stump Cutters
Earth Augers
Compactors
Trowels
Karts

Part No	Bore	Keyway	Bearing	Pulley OD	Pulley Groove	Pulley Type	A	B	C
NOR180007	1"	1/4"	Ball	4.00"	1	AB	5.25"	2.6875"	0.8125"
NOR180009	1"	1/4"	Ball	4.00"	2	AB	5.25"	3.3125"	0.6875"
NOR180013	1"	1/4"	Ball	5.50"	2	AB	5.25"	3.3750"	0.7813"
NOR180019	1"	1/4"	Ball	4.50"	2	AB	5.25"	3.3750"	0.7813"
NOR180021	1 1/8"	1/4"	Ball	4.50"	2	AB	5.25"	3.3750"	0.7813"
NOR180023	1 1/8"	1/4"	Ball	5.50"	2	AB	5.25"	3.3750"	0.8125"

Copyright © 2006. Jerry's Small Engine Supply Co.
Questions or Comments: Jerry's Small Engine Parts Department

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