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Roller Chain Sprockets

Roller chain sprockets are toothed wheels designed for use in power transmission systems, engaging with roller chains to transfer torque and motion between rotating shafts. They are widely used in industrial applications and are available in various sizes, materials, and tooth profiles to accommodate different chain types and operating conditions. Proper selection of roller chain sprockets is essential for optimal performance and extended service life.
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#255823
DS40A15
Martin DS40A15 Double Single roller chain sprocket for #40 chain (1/2" pitch). Type A plain bore (flat plate) design with 15 teeth. Made of steel. Double single sprocket configuration. Outside diameter: 2.652". Weight: 1.18 lbs.
Brand Martin Sprocket
Model DS40A15
$89.63 Each
Free shipping
#255846
DS50A15
Martin DS50A15 Double Single roller chain sprocket for #50 chain (5/8" pitch). Type A plain bore design with 15 teeth, 3.315" OD, and steel construction. Compatible with double strand ANSI standard chain.
Brand Martin Sprocket
Model DS50A15
$102.99 Each
Free Shipping orders over $100
#255869
DS60A13
Martin DS60A13 double single roller chain sprocket for #60 chain (3/4" pitch). Type A plain bore flat plate design with 13 teeth, 3.493" OD, and steel construction. Suitable for light-duty double strand applications where weight savings are critical.
Brand Martin Sprocket
Model DS60A13
$115.45 Each
Free Shipping orders over $100
#255871
DS60A15
Martin DS60A15 double single roller chain sprocket for #60 chain (3/4" pitch) with 15 teeth. Type A plain bore design, steel construction, 3.978" OD, 4.02 lb weight. Suitable for light-duty applications where hub is not required.
Brand Martin Sprocket
Model DS60A15
$133.99 Each
Free Shipping orders over $100
#255896
DS80A15
Martin DS80A15 double single roller chain sprocket for #80 chain (1" pitch) with 15 teeth. Type A plain bore (flat plate) design in steel construction. Outside diameter: 5.305". Weight: 8.14 lbs.
Brand Martin Sprocket
Model DS80A15
$247.87 Each
Free Shipping orders over $100
#256208
D120B15
Martin D120B15 double strand roller chain sprocket for #120 chain (1-1/2" pitch) with 15 teeth. Type B plain bore design features a hub on one side for re-boring. Made of durable steel for industrial power transmission applications.
Brand Martin Sprocket
Model D120B15
$607.07 Each
Free Shipping orders over $100
#256549
D40B40
Martin D40B40 double strand roller chain sprocket for #40 chain (1/2" pitch) with 40 teeth. Type B plain bore design with hub on one side, made of steel. Outside diameter 6.653", weight 9.4 lbs. Suitable for power transmission drives requiring double
Brand Martin Sprocket
Model D40B40
$129.94 Each
Free Shipping orders over $100
#256740
D60B21H
Martin D60B21H double strand roller chain sprocket for #60 chain (3/4" pitch) with 21 teeth. Type B plain bore design with hub on one side, made of steel. Outside diameter 5.426", weight 8.82 lbs. For power transmission drives requiring double strand
Brand Martin Sprocket
Model D60B21H
$135.54 Each
Free Shipping orders over $100
#256839
D80B14H
Martin D80B14H double strand roller chain sprocket for #80 chain (1" pitch) with 14 teeth. Type B plain bore design with hub on one side, made from steel. Outside diameter 4.981". Suitable for power transmission drives requiring double strand
Brand Martin Sprocket
Model D80B14H
$162.85 Each
Free Shipping orders over $100
#258710
100B15
Martin 100B15 Type B Plain Bore roller chain sprocket for #100 chain (1-1/4" pitch). 15 teeth, steel construction with hub on one side. Outside diameter 6.631". Requires finishing to specified bore size. Suitable for industrial power transmission
Brand Martin Sprocket
Model 100B15
$135.75 Each
Free Shipping orders over $100
#258726
100B24
Martin 100B24 Type B Plain Bore roller chain sprocket for #100 chain (1-1/4" pitch), 24 teeth, steel construction with hub on one side. Minimum plain bore requires finishing to size. Outside diameter: 10.245". Weight: 19.2 lbs.
Brand Martin Sprocket
Model 100B24
$219.31 Each
Free Shipping orders over $100
#258750
100C60
Martin 100C60 Type C roller chain sprocket with hubs on both sides for heavy loads or offset mounting. #100 chain (1-1/4" pitch), 60 teeth, steel construction. Outside diameter: 24.601". Weight: 89 lbs.
Brand Martin Sprocket
Model 100C60
$654.89 Each
Free Shipping orders over $100
#259109
120B12
Martin 120B12 Type B Plain Bore roller chain sprocket for #120 chain (1-1/2" pitch). 12 teeth, steel construction with hub on one side. Minimum plain bore requires finishing to size. Outside diameter: 6.498". Weight: 9.9 lbs.
Brand Martin Sprocket
Model 120B12
$191.16 Each
Free Shipping orders over $100
#260554
25B24
Martin 25B24 Type B Plain Bore roller chain sprocket for #25 chain (1/4" pitch). 24 teeth, steel construction, one hub side for re-boring. Outside diameter: 2.049". Weight: 0.33 lb.
Brand Martin Sprocket
Model 25B24
$22.06 Each
Free shipping
#260769
35A112
Martin 35A112 Type A (Plain Bore) roller chain sprocket for #35 chain (3/8" pitch), 112 teeth, steel construction. Flat plate design with no hub for lightest weight applications. Outside diameter: 13.591", weight: 6.1 lbs. Compatible with ANSI B29.1
Brand Martin Sprocket
Model 35A112
$80.48 Each
Free shipping
#261144
35B60
Martin 35B60 Type B plain bore roller chain sprocket for #35 chain (3/8" pitch), 60 teeth, minimum plain bore (MPB) for custom machining. Steel construction with hub on one side for re-boring flexibility.
Brand Martin Sprocket
Model 35B60
$68.00 Each
Free shipping
#261211
40A112
Martin 40A112 Type A (Plain Bore) roller chain sprocket for #40 chain (1/2" pitch). 112 teeth, flat plate design with no hub. Steel construction, outside diameter 18.121".
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Brand Martin Sprocket
Model 40A112
$136.57 Each
Free Shipping orders over $100
#261270
40A80
Martin 40A80 Type A Plain Bore Roller Chain Sprocket for #40 chain (1/2" pitch), 80 teeth, steel construction. Flat plate design with no hub, lightest weight option. Outside diameter: 13.026". For ANSI B29.1 standard roller chain drives.
Brand Martin Sprocket
Model 40A80
$87.35 Each
Free shipping
#261274
40BB17H 5/8
Martin 40BB17H 5/8 ball bearing idler sprocket for #40 roller chain (1/2" pitch). 17 teeth, 5/8" finished bore with keyway and setscrews. Steel construction with sealed ball bearing for tensioning applications. Outside diameter: 2.970". Weight: 0.51 lbs.
Brand Martin Sprocket
Model 40BB17H 5/8
$63.76 Each
Free shipping
#261276
40BB18H 1/2
Martin 40BB18H 1/2 ball bearing idler sprocket for #40 roller chain (1/2" pitch). 18 teeth, 1/2" finished bore with keyway and setscrews. Steel construction with sealed ball bearings for tensioning applications. Outside diameter: 3.140".
Brand Martin Sprocket
Model 40BB18H 1/2
$65.15 Each
Free shipping
#261285
40BS10 3/4
Martin 40BS10 3/4 Bored-to-Size roller chain sprocket for #40 chain (1/2" pitch). 10 teeth, 3/4" finished bore with keyway and setscrews. Steel construction. Type B hub one side. Direct replacement for industry-standard sprockets.
Brand Martin Sprocket
Model 40BS10 3/4
$20.07 Each
Free shipping
#261304
40BS12 1
Martin 40BS12 1 Bored-to-Size (Type B Finished Bore) roller chain sprocket for #40 chain (1/2" pitch). 12 teeth, 1" finished bore with keyway and setscrews. Steel construction. Outside diameter: 2.166". Weight: 0.31 lbs.
Brand Martin Sprocket
Model 40BS12 1
$22.96 Each
Free shipping
#261352
40BS16 1
Martin 40BS16 1 Bored-to-Size (Type B Finished Bore) sprocket for #40 roller chain (1/2" pitch). 16 teeth, 1" finished bore with keyway and setscrews. Steel construction. Direct replacement for industry-standard sprockets.
Brand Martin Sprocket
Model 40BS16 1
$28.93 Each
Free shipping
#261423
40BS20 1 1/8
Martin 40BS20 1 1/8 Bored-to-Size (Type B Finished Bore) sprocket for #40 roller chain (1/2" pitch). 20 teeth, 1-1/8" finished bore with keyway and two setscrews. Steel construction. Outside diameter: 3.457". Weight: 1.21 lbs.
Brand Martin Sprocket
Model 40BS20 1 1/8
$41.06 Each
Free shipping
#261751
40BS48 1
Martin 40BS48 1 Bored-to-Size (Type B Finished Bore) sprocket for #40 roller chain (1/2" pitch). 48 teeth, 1" finished bore with keyway and setscrews. Steel construction. Outside diameter: 7.929". Weight: 5.7 lbs.
Brand Martin Sprocket
Model 40BS48 1
$83.66 Each
Free shipping
#261849
40BS60 1 1/2
Martin 40BS60 1 1/2 Bored-to-Size (Type B Finished Bore) roller chain sprocket for #40 chain (1/2" pitch). 60 teeth, 1-1/2" finished bore with keyway and setscrews. Steel construction, 9.841" OD. Stock sprocket for power transmission drives.
Brand Martin Sprocket
Model 40BS60 1 1/2
$94.01 Each
Free shipping
#261864
40BS72 1
Martin 40BS72 1 Bored-to-Size (Type B) roller chain sprocket for #40 chain (1/2" pitch). 72 teeth, 1" finished bore with keyway and two setscrews. Steel construction. Outside diameter: 11.752". Weight: 11.5 lbs.
Brand Martin Sprocket
Model 40BS72 1
$112.96 Each
Free Shipping orders over $100
#261948
40B12
Martin 40B12 Type B Plain Bore roller chain sprocket for #40 chain (1/2" pitch) with 12 teeth. Steel construction with one hub side for re-boring. Outside diameter: 2.166". Weight: 0.45 lbs.
Brand Martin Sprocket
Model 40B12
$19.70 Each
Free shipping
#261954
40B15
Martin 40B15 Type B Plain Bore roller chain sprocket for #40 chain (1/2" pitch). 15 teeth, minimum plain bore for custom boring to size. Steel construction with hub on one side for re-boring applications.
Brand Martin Sprocket
Model 40B15
$20.07 Each
Free shipping
#261956
40B16
Martin 40B16 Type B Plain Bore roller chain sprocket for #40 chain (1/2" pitch), 16 teeth, minimum plain bore. Steel construction with hub on one side for re-boring. Suitable for light to medium duty power transmission applications.
Brand Martin Sprocket
Model 40B16
$20.98 Each
Free shipping
#261964
40B20
Martin 40B20 Type B Plain Bore roller chain sprocket for #40 chain (1/2" pitch). 20 teeth, minimum plain bore for custom machining. Steel construction with hub on one side. Outside diameter: 3.457", weight: 1.56 lbs.
Brand Martin Sprocket
Model 40B20
$34.19 Each
Free shipping
#261972
40B24
Martin 40B24 Type B Plain Bore roller chain sprocket for #40 chain (1/2" pitch). 24 teeth, minimum plain bore (MPB) for custom boring to required shaft size. Steel construction, outside diameter 4.098", weight 2.41 lbs.
Brand Martin Sprocket
Model 40B24
$47.93 Each
Free shipping
#262010
40B54
Martin 40B54 Type B Plain Bore roller chain sprocket for #40 chain (1/2" pitch) with 54 teeth. Steel construction with hub on one side for re-boring. Outside diameter: 8.885". Weight: 6.42 lbs.
Brand Martin Sprocket
Model 40B54
$82.46 Each
Free shipping
#262019
40B72
Martin 40B72 Type B Plain Bore roller chain sprocket for #40 chain (1/2" pitch). 72 teeth, minimum plain bore for custom machining. Steel construction. Hub on one side for re-boring applications.
Brand Martin Sprocket
Model 40B72
$86.28 Each
Free shipping
#262024
40B96
Martin 40B96 Type B plain bore roller chain sprocket for #40 chain (1/2" pitch) with 96 teeth. Steel construction with hub on one side, designed for re-boring to custom size. Outside diameter 15.573", weight 17.56 lbs.
Brand Martin Sprocket
Model 40B96
$146.18 Each
Free Shipping orders over $100
#262032
40H15H
Martin 40H15H Taper-Lock Sprocket for #40 roller chain (1/2" pitch) with 15 teeth, uses MST H split taper bushing. Steel construction, 2.652" outside diameter, 0.53 lb weight. MST bushing provides true clamp fit for secure shaft mounting.
Brand Martin Sprocket
Model 40H15H
$55.93 Each
Free shipping
#262192
41A84
Martin 41A84 Type A (Plain Bore) roller chain sprocket for #41 chain (1/2" pitch). 84 teeth, flat plate design with no hub. Steel construction. Outside diameter: 13.663". Weight: 9.12 lbs.
Brand Martin Sprocket
Model 41A84
$78.85 Each
Free shipping
#262468
50A112
Martin 50A112 Type A Plain Bore roller chain sprocket for #50 chain (5/8" pitch). 112 teeth, steel construction, flat plate design with no hub. Outside diameter: 22.651". Weight: 37.7 lbs.
Brand Martin Sprocket
Model 50A112
$216.51 Each
Free Shipping orders over $100
#262536
50A96
Martin 50A96 Type A (Plain Bore) roller chain sprocket for #50 chain (5/8" pitch). Features 96 teeth, a flat plate design with no hub for light weight, and is made of steel. Outside diameter is 19.467". Requires finishing to a specific bore size.
Brand Martin Sprocket
Model 50A96
$154.72 Each
Free Shipping orders over $100
#262538
50BB15H 5/8
Martin 50BB15H 5/8 ball bearing idler sprocket for #50 roller chain (5/8" pitch). Features 15 teeth, a 5/8" finished bore, and a sealed ball bearing for tensioning applications. Steel construction.
Brand Martin Sprocket
Model 50BB15H 5/8
$66.76 Each
Free shipping
#262548
50BS10 1
Martin 50BS10 1 Bored-to-Size (Type B Finished Bore) sprocket for #50 roller chain (5/8" pitch). 10 teeth, 1" finished bore with keyway and setscrews. Steel construction. Outside diameter 2.299". For power transmission drives.
Brand Martin Sprocket
Model 50BS10 1
$28.57 Each
Free shipping
#262573
50BS12 1
Martin 50BS12 1 Bored-to-Size (Type B Finished Bore) sprocket for #50 roller chain (5/8" pitch). Features 12 teeth, a 1" finished bore with keyway and setscrews, and is made of steel. Ideal for power transmission drives requiring a standard finished bore
Brand Martin Sprocket
Model 50BS12 1
$30.93 Each
Free shipping
#262574
50BS12 1 1/4
Martin 50BS12 1 1/4 Bored-to-Size (Type B Finished Bore) roller chain sprocket for #50 chain (5/8" pitch). Features 12 teeth, a 1-1/4" finished bore with keyway and setscrews, and is made of steel. Outside diameter is 2.708".
Brand Martin Sprocket
Model 50BS12 1 1/4
$30.93 Each
Free shipping
#262722
50BS20 1
Martin 50BS20 1 Bored-to-Size (Type B Finished Bore) sprocket for #50 roller chain (5/8" pitch). Features 20 teeth, a 1" finished bore with keyway and setscrews, and is constructed from steel. Outside diameter is 4.321". A standard stock component for
Brand Martin Sprocket
Model 50BS20 1
$56.78 Each
Free shipping
#263283
50B18
Martin 50B18 Type B Plain Bore Roller Chain Sprocket for #50 chain (5/8" pitch) with 18 teeth. Steel construction with a hub on one side, designed for re-boring to a custom finished bore size. Outside diameter is 3.920".
Brand Martin Sprocket
Model 50B18
$39.06 Each
Free shipping
#263287
50B20
Martin 50B20 is a Type B Plain Bore roller chain sprocket for #50 chain (5/8" pitch). Features 20 teeth, a minimum plain bore for custom machining, and a one-sided hub. Made from durable steel for industrial power transmission applications.
Brand Martin Sprocket
Model 50B20
$46.30 Each
Free shipping
#263305
50B30
Martin 50B30 Type B Plain Bore Roller Chain Sprocket for #50 chain (5/8" pitch). Features 30 teeth, a minimum plain bore for custom machining, and a one-sided hub design. Made from durable steel for general power transmission applications.
Brand Martin Sprocket
Model 50B30
$72.87 Each
Free shipping
#263339
50B60
Martin 50B60 Type B Plain Bore Roller Chain Sprocket for #50 chain (5/8" pitch). Features 60 teeth, a minimum plain bore for custom machining, and a one-sided hub design. Made from durable steel for industrial power transmission applications.
Brand Martin Sprocket
Model 50B60
$98.52 Each
Free shipping
#263354
50C16
Martin 50C16 is a Type C (Hub Both Sides) roller chain sprocket for #50 chain with a 5/8" pitch. This steel sprocket has 16 teeth, an outside diameter of 3.517", and is designed for heavy loads or offset mounting. Requires finishing to a specific bore
Brand Martin Sprocket
Model 50C16
$87.15 Each
Free shipping
#263587
60A60
Martin 60A60 Type A Plain Bore roller chain sprocket for #60 chain (3/4" pitch). Features 60 teeth, a flat plate (Type A) design with no hub for light-weight applications, and is manufactured from durable steel. Outside diameter is 14.761".
Brand Martin Sprocket
Model 60A60
$102.46 Each
Free Shipping orders over $100
#263598
60A90
Martin 60A90 Type A (Plain Bore) roller chain sprocket for #60 chain (3/4" pitch). Features 90 teeth, a flat plate design with no hub for light-weight applications, and is manufactured from durable steel. Outside diameter is 21.927".
Brand Martin Sprocket
Model 60A90
$288.28 Each
Free Shipping orders over $100
#263602
60BB13H 5/8
Martin 60BB13H 5/8 ball bearing idler sprocket for #60 roller chain (3/4" pitch). Features 13 teeth, a 5/8" finished bore with keyway and setscrews, and a sealed ball bearing for tensioning applications. Steel construction with an outside diameter of
Brand Martin Sprocket
Model 60BB13H 5/8
$75.00 Each
Free shipping
#263604
60BB15H 5/8
Martin 60BB15H 5/8 ball bearing idler sprocket for #60 roller chain (3/4" pitch). Features 15 teeth, a 5/8" finished bore, and a sealed ball bearing for tensioning applications. Steel construction with an outside diameter of 3.980".
Brand Martin Sprocket
Model 60BB15H 5/8
$80.30 Each
Free shipping
#264388
60B15
Martin 60B15 Type B Plain Bore Roller Chain Sprocket for #60 chain (3/4" pitch) with 15 teeth. Steel construction with a hub on one side, designed for re-boring to a custom finished bore size. Outside diameter is 3.978" and weight is 2.51 lbs.
Brand Martin Sprocket
Model 60B15
$41.41 Each
Free shipping
#264428
60B40
Martin 60B40 Type B Plain Bore Roller Chain Sprocket for #60 chain (3/4" pitch). Features 40 teeth, a minimum plain bore for custom machining, and a one-sided hub design. Made from durable steel for general power transmission applications.
Brand Martin Sprocket
Model 60B40
$95.61 Each
Free shipping
#264490
60NB17H 1
Martin 60NB17H 1 needle bearing idler sprocket for #60 roller chain (3/4" pitch). Features 17 teeth, a 1" finished bore, and a sealed needle bearing for tensioning applications. Steel construction with an outside diameter of 4.460".
Brand Martin Sprocket
Model 60NB17H 1
$140.97 Each
Free Shipping orders over $100
#264830
80A60
Martin 80A60 Type A Plain Bore roller chain sprocket for #80 chain (1" pitch). Features 60 teeth, a flat plate (Type A) design with no hub for light-weight applications, and is manufactured from durable steel. Outside diameter is 19.681".
Brand Martin Sprocket
Model 80A60
$291.33 Each
Free Shipping orders over $100
#264841
80BB12H 3/4
Martin 80BB12H 3/4 ball bearing idler sprocket for #80 roller chain (1" pitch). Features 12 teeth, a 3/4" finished bore, and a sealed ball bearing for tensioning applications. Made of steel with an outside diameter of 4.330".
Brand Martin Sprocket
Model 80BB12H 3/4
$89.67 Each
Free shipping
#265585
80B24
Martin 80B24 Type B Plain Bore roller chain sprocket for #80 chain (1" pitch). Features 24 teeth, a hub on one side for re-boring, and is made of steel. This sprocket has a minimum plain bore, requiring finishing to your specific shaft size.
Brand Martin Sprocket
Model 80B24
$116.60 Each
Free Shipping orders over $100
#265602
80B36
Martin 80B36 Type B Plain Bore roller chain sprocket for #80 chain (1" pitch). Features 36 teeth, a minimum plain bore for custom machining, and a one-sided hub. Made from durable steel for industrial power transmission applications.
Brand Martin Sprocket
Model 80B36
$164.10 Each
Free Shipping orders over $100