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Bruntons SigmaDrive Shaft Coupling SD150
Bruntons SigmaDrive Solid Propeller Shaft Coupling for 1.750-2.000" shafts
Couplings have been the same for decades - Cast ductile iron with a hole pattern to fit your transmission. Rigid fitment and corrosion in the damp and salty environment have been normal challenges, and alignment is never quite perfect, causing wear on associated hardware like pillow bearings and cutless bearings.
Bruntons addresses these issues with the SigmaDrive. A compact coupling designed to extend the life of your shaft and cutless bearings while acting as a thrust bearing that can pivot up to 6 degrees total (3 degrees in any direction), this constant velocity coupling is the greatest development in shaft coupling to date.
The SigmaDrive takes the place of your current coupling. The ease of installation normally doesn't require shaft modifications, or even hauling the boat! With no bearings or rubber seals to break down, the rugged NiBral alloy provides a maintenance-free pre-greased coupling that will stay perfectly aligned, extending the life of all associated hardware as well.
SigmaDrive Brochure
Data required to order listed above:
- Shaft diameter
- Horsepower
- Max Rated RPM
- Reduction Gear ratio
- Good additional information: Engine and Gearbox make
- Factory inbound Airfreight required from Bruntons, UK
Spurs Line Cutter B
Spurs Line Cutter Model B Fits 1" Thru 1 1/2" Shafts.The principle that enables the shaft mounted "S..
$590.00
Spurs Line Cutter D
Spurs Line Cutter Model D Fits 1 1/2" Thru 2 1/2" Shafts.The principle that enables the shaft mounte..
$839.00
Spurs Line Cutter E
Spurs Line Cutter Model E fits 2" Thru 3" Shafts.The principle that enables the shaft mounted "SPURS..
$1,012.00
Spurs Line Cutter A
Spurs Line Cutter Model A Fits 3/4 Thru 1 1/4" Shafts.The principle that enables the shaft mounted "..
$559.00
Shaft Shark Line Cutter 3.00" Split
Shaft Shark 300 split unit fits shaft diameters 3/4" thru 1 1/4" and 25-30mm.Cutter Outside Diameter..
$554.80
Shaft Shark Line Cutter 4.00" Split
Shaft Shark 400 split unit fits shaft diameters 1 1/4" thru 1 3/4" and 30-40mm.Cutter Outside Diamet..
$615.60
Shaft Shark Line Cutter 5.00" Split
Shaft Shark 500 split unit fits shaft diameters 1 1/4" thru 2 1/2" and 40-50mm.Cutter Outside Diamet..
$876.85
Lasdrop GEN 2 Shaft Seal 1.000"
Lasdrop GEN II Shaft Seal Fits Shaft Diameter 1"Lasdrop has been rated “Best” by PowerBoat Reports f..
$403.20
Lasdrop GEN 2 Shaft Seal 1.125"
Lasdrop GEN II Shaft Seal Fits Shaft Diameter 1 1/8"Lasdrop has been rated “Best” by PowerBoat Repor..
$403.20
Lasdrop GEN 2 Shaft Seal 1.250"
Lasdrop GEN II Shaft Seal Fits Shaft Diameter 1 1/4"Lasdrop has been rated “Best” by PowerBoat Repo..
$414.13
Norscot Dripless Shaft Seal 1.000"
Norscot Dripless Propeller Shaft Seal 1.000"Propeller Shaft Diameter 1" Log Size(Hose I.D.) 1 1/2" T..
$452.00
Norscot Dripless Shaft Seal 1.125"
Norscot Dripless Propeller Shaft Seal 1.125"Propeller Shaft Diameter 1 1/8" Log Size (Hose I.D.) 1 3..
$406.00
Norscot Dripless Shaft Seal 0.750"
Norscot Dripless Propeller Shaft Seal 0.750"Propeller Shaft Dia-3/4" Log Size(Hose I.D.)1 1/2" Thru ..
$310.00
Norscot Dripless Shaft Seal 0.875"
Norscot Dripless Propeller Shaft Seal 0.875"Propeller Shaft Dia-7/8" Log Size(Hose I.D.)-1 1/2" Thru..
$310.00
Duramax Bronze Sleeve Cutless Bearing 0.875" x 1.250" ACID
Duramax Bronze Sleeve Cutlass Bearing 0.875" x 1.250" ACIDExternal brass shells are machined and pol..
$103.00
Duramax Bronze Sleeve Cutless Bearing 0.875" x 1.375" APEX
Duramax Bronze Sleeve Cutlass Bearing 0.875" x 1.375" APEXExternal brass shells are machined and pol..
$103.00
Duramax Bronze Sleeve Cutless Bearing 0.875" x 1.500" ATOM
Duramax Bronze Sleeve Cutless Bearing 0.875" x 1.500" ATOMExternal brass shells are machined and pol..
$114.00
Anchor Bronze Bore Reducer Bushing 0.875 to 0.750"
Anchor Bronze Propeller Bore Reducer Bushing 0.875 to 0.750"A stepped down key is provided that will..
$101.00
Anchor Bronze Bore Reducer Bushing 1.000" to 0.750"
Anchor Bronze Bore Reducer Bushing 1" to 3/4" Bronze Propeller Bore Reducer.A stepped down key is pr..
$101.00
Anchor Bronze Bore Reducer Bushing 1.000" to 0.875"
Anchor Bronze Propeller Bore Reducer Bushing 1.000" to 0.875"A stepped down key is provided that wil..
$101.00
Anchor Bronze Bore Reducer Bushing 1.125" to 0.875"
Anchor Bronze Propeller Bore Reducer Bushing 1.125" to 0.875"A stepped down key is provided that wil..
$108.00
Braided Flax Packing 1/8" X 24"
Braided Flax Packing 1/8" Square / 24" Length Marine grade square plait braided Belgian flax packing..
$3.54
Braided Flax Packing 1/4" X 24"
Braided Flax Packing 1/4" Square / 24" Length Marine grade square plait braided Belgian flax packing..
$4.97
Braided Flax Packing 1/2" X 24"
Braided Flax Packing 1/2" Square x 24" Length Marine grade square plait braided Belgian flax packing..
$7.15
Pre-Order
Shaft Razor Line Cutter 3.00" Split
Shaft Razor Line Cutters 300 Split unit fits shaft diameters 1" and 1 1/4"Cutter Outside Diameter: 3..
$449.00
Shaft Razor Line Cutter 4" X 1.25" Split
Shaft Razor Line Cutter 400 Split unit fits shaft diameters 1.25"Cutter Outside Diameter: 3.980" Cut..
$479.00
Shaft Razor Line Cutter 5" X 1.25" Split
Shaft Razor Line Cutters 500 Split unit fits shaft diameters 1 1/4"Cutter Outside Diameter: 4.75" Cu..
$687.00
-5%
Bruntons AutoProp Feathering Propeller 13" H5 Series
Bruntons AutoProp Feathering Propeller 13" 3 blade Sailboat Propeller fits Yanmar, Volvo P..
$4,098.00 $3,894.00
-5%
Bruntons AutoProp Feathering Propeller 14" H5 Series
Bruntons AutoProp Feathering Propeller 14" 3 blade Sailboat Propeller fits Yanmar, Volvo P..
$4,099.00 $3,894.00
-5%
Bruntons AutoProp Feathering Propeller 15" H5 Series
Bruntons AutoProp Feathering Propeller 15" 3 blade Sailboat Propeller fits Yanmar, Volvo P..
$4,405.00 $4,185.00
-15%
GLIDE Bearings 0.750X1.250X3.000
GLIDE Bearings 0.750" x 1.250" x 3.00"GLIDE Marine Bearings are made from our very own GLIDE-100 ma..
$82.50 $70.13
-15%
GLIDE Bearings 0.875X1.250X3.500
GLIDE Bearings 0.875" x 1.250" x 3.50"GLIDE Marine Bearings are made from our very own GLIDE-100 ma..
$93.78 $79.72
-15%
GLIDE Bearings 0.875X1.375X3.500
GLIDE Bearings 0.875" x 1.375" x 3.50"GLIDE Marine Bearings are made from our very own GLIDE-100 ma..
$92.81 $78.89
-15%
GLIDE Bearings 0.875X1.500X3.500
GLIDE Bearings 0.875" x 1.500" x 3.500"GLIDE Marine Bearings are made from our very own GLIDE-100 m..
$104.47 $88.80
-15%
GLIDE Bearings 1.000X1.250X4.000
GLIDE Bearings 1.00" x 1.25" x 4.00"GLIDE Marine Bearings are made from our very own GLIDE-100 mate..
$90.86 $77.24
-15%
GLIDE Bearings 1.000X1.250X6.000
GLIDE Bearings 1.00" x 1.25" x 6.00"GLIDE Marine Bearings are made from our very own GLIDE-100 mate..
$129.67 $110.00
-15%
GLIDE Bearings 1.000X1.375X4.000
GLIDE Bearings 1.00" x 1.375" x 4.00"GLIDE Marine Bearings are made from our very own GLIDE-100 mat..
$96.04 $81.64
-15%
GLIDE Bearings 1.000X1.500X4.000
GLIDE Bearings 1.00" x 1.500" x 4.00"GLIDE Marine Bearings are made from our very own GLIDE-100 mat..
$94.01 $79.91
-15%
GLIDE Bearings 1.000X1.625X4.000
GLIDE Bearings 1.00" x 1.625" x 4.00"GLIDE Marine Bearings are made from our very own GLIDE-100 mat..
$91.14 $77.47
-15%
GLIDE Bearings 1.000X2.000X4.000
GLIDE Bearings 1.00" x 2.000" x 4.00"GLIDE Marine Bearings are made from our very own GLIDE-100 mat..
$120.50 $103.00
-15%
GLIDE Bearings 1.125X1.500X4.500
GLIDE Bearings 1.125" x 1.500" x 4.500"GLIDE Marine Bearings are made from our very own GLIDE-100 m..
$119.04 $101.00
-15%
GLIDE Bearings 1.125X1.625X4.500
GLIDE Bearings 1.125" x 1.625" x 4.500"GLIDE Marine Bearings are made from our very own GLIDE-100 m..
$109.69 $93.24
-15%
GLIDE Bearings 1.125X1.750X4.500
GLIDE Bearings 1.125" x 1.750" x 4.500"GLIDE Marine Bearings are made from our very own GLIDE-100 m..
$125.19 $106.41
-15%
GLIDE Bearings 1.125X2.000X4.500
GLIDE Bearings 1.125" x 2.000" x 4.500"GLIDE Marine Bearings are made from our very own GLIDE-100 m..
$133.50 $113.47
-15%
GLIDE Bearings 1.250X1.500X5.000
GLIDE Bearings 1.250" x 1.500" x 5.000"GLIDE Marine Bearings are made from our very own GLIDE-100 m..
$120.50 $102.42
-15%
GLIDE Bearings 1.250X1.750X5.000
GLIDE Bearings 1.250" x 1.750" x 5.000"GLIDE Marine Bearings are made from our very own GLIDE-100 m..
$121.45 $103.23
-15%
GLIDE Bearings 1.250X2.000X5.000
GLIDE Bearings 1.250" x 2.000" x 5.000"GLIDE Marine Bearings are made from our very own GLIDE-100 m..
$140.22 $119.19
-15%
GLIDE Bearings 1.250X2.125X5.000
GLIDE Bearings 1.250" x 2.125" x 5.000"GLIDE Marine Bearings are made from our very own GLIDE-100 m..
$138.22 $117.48
-15%
GLIDE Bearings 1.375X1.875X5.500
GLIDE Bearings 1.375" x 1.875" x 5.500"GLIDE Marine Bearings are made from our very own GLIDE-100 m..
$135.29 $114.99
-15%
GLIDE Bearings 1.375X2.000X5.500
GLIDE Bearings 1.375" x 2.000" x 5.500"GLIDE Marine Bearings are made from our very own GLIDE-100 m..
$147.08 $125.00
-15%
GLIDE Bearings 1.375X2.125X5.500
GLIDE Bearings 1.375" x 2.125" x 5.500"GLIDE Marine Bearings are made from our very own GLIDE-100 m..
$154.55 $131.37
-15%
GLIDE Bearings 1.375X2.375X5.500
GLIDE Bearings 1.375" x 2.375" x 5.500"GLIDE Marine Bearings are made from our very own GLIDE-100 m..
$162.00 $137.70
-15%
GLIDE Bearings 1.500X2.000X6.000
GLIDE Bearings 1.500" x 2.000" x 6.000"GLIDE Marine Bearings are made from our very own GLIDE-100 m..
$167.78 $142.61
-15%
GLIDE Bearings 1.500X2.375X6.000
GLIDE Bearings 1.500" x 2.375" x 6.000"GLIDE Marine Bearings are made from our very own GLIDE-100 m..
$177.31 $150.71
-15%
GLIDE Bearings 1.750X2.375X7.000
GLIDE Bearings 1.750" x 2.375" x 7.000"GLIDE Marine Bearings are made from our very own GLIDE-100 m..
$206.72 $175.71
-15%
GLIDE Bearings 1.750X2.500X7.000
GLIDE Bearings 1.750" x 2.500" x 7.000"GLIDE Marine Bearings are made from our very own GLIDE-100 m..
$206.72 $175.71
-15%
GLIDE Bearings 1.750X2.625X7.000
GLIDE Bearings 1.750" x 2.625" x 7.000"GLIDE Marine Bearings are made from our very own GLIDE-100 m..
$209.19 $177.81