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Plain Bore Sprockets

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#257034
E100J70
Martin E100J70 triple strand roller chain sprocket for #100 chain (1-1/4" pitch) with 70 teeth. Uses a QD J-type quick disconnect bushing (sold separately) for easy mounting. Steel construction, 28.583" outside diameter. For high-torque power transmission applications.
Brand Martin Sprocket
Model E100J70
$4,273.64 Each
Free Shipping orders over $100
#258502
100A18
Martin 100A18 Type A Plain Bore roller chain sprocket for #100 chain (1-1/4" pitch). 18 teeth, 7.839" outside diameter, steel construction. Flat plate design with no hub for light-duty applications.
Brand Martin Sprocket
Model 100A18
$81.45 Each
Free shipping
#258517
100A29
Martin 100A29 Type A Plain Bore roller chain sprocket for #100 chain (1-1/4" pitch), 29 teeth, 12.244" outside diameter, steel construction. Flat plate design with no hub for lightweight applications where space is limited.
Brand Martin Sprocket
Model 100A29
$179.24 Each
Free Shipping orders over $100
#258524
100A36
Martin 100A36 Type A plain bore roller chain sprocket for #100 chain (1-1/4" pitch), 36 teeth, steel construction, flat plate design with no hub. Outside diameter 15.038". Lightest weight sprocket style for applications where hub is not required.
Brand Martin Sprocket
Model 100A36
$271.78 Each
Free Shipping orders over $100
#258527
100A39
Martin 100A39 Type A plain bore roller chain sprocket for #100 chain with 1-1/4" pitch, 39 teeth, and 16.234" outside diameter. Steel construction with flat plate design and no hub. Suitable for applications requiring a lightweight, compact sprocket that can be bored to size.
Brand Martin Sprocket
Model 100A39
$327.40 Each
Free Shipping orders over $100
#258532
100A44
Martin 100A44 Type A Plain Bore roller chain sprocket for #100 chain (1-1/4" pitch). 44 teeth, steel construction, flat plate design with no hub. Outside diameter: 18.227". ANSI B29.1 standard.
Brand Martin Sprocket
Model 100A44
$401.67 Each
Free Shipping orders over $100
#258557
100A90
Martin 100A90 Type A plain bore roller chain sprocket for #100 chain with 1-1/4" pitch, 90 teeth, and 36.545" outside diameter. Flat plate design with no hub, steel construction. Suitable for applications requiring a lightweight, compact sprocket that can be bored to size.
Brand Martin Sprocket
Model 100A90
$1,379.80 Each
Free Shipping orders over $100
#258725
100B23
Martin 100B23 Type B plain bore roller chain sprocket for #100 chain (1-1/4" pitch) with 23 teeth. Steel construction with hub on one side for re-boring. Outside diameter: 9.844".
Brand Martin Sprocket
Model 100B23
$225.24 Each
Free Shipping orders over $100
#259058
120A23
Martin 120A23 Type A plain bore roller chain sprocket for #120 chain, 1-1/2" pitch, 23 teeth, steel construction. Flat plate design with no hub, lightest weight sprocket style. Outside diameter: 11.813".
Brand Martin Sprocket
Model 120A23
$264.33 Each
Free Shipping orders over $100
#259365
140A48
Martin 140A48 Type A plain bore roller chain sprocket for #140 chain with 1-3/4" pitch, 48 teeth, and 27.750" outside diameter. Steel construction with flat plate design and no hub. Suitable for light-duty applications where weight savings is critical.
Brand Martin Sprocket
Model 140A48
$969.96 Each
Free Shipping orders over $100
#259606
16B20
Martin 16B20 Metric B-Hub plain bore roller chain sprocket for 16B (ISO 606/DIN 8187 metric) chain, 25.4 mm pitch, 20 teeth, steel construction. Hub on one side for re-boring. 178.243 mm outside diameter, 162.368 mm pitch diameter. Designed for 16B British Standard roller chain in industrial power transmission applications.
Brand Martin Sprocket
Model 16B20
$213.57 Each
Free Shipping orders over $100
#259653
160A13
Martin 160A13 Type A plain bore roller chain sprocket for #160 chain with 2" pitch, 13 teeth, and 9.314" outside diameter. Flat plate design with no hub, steel construction. Suitable for standard roller chain drives in industrial power transmission applications.
Brand Martin Sprocket
Model 160A13
$253.96 Each
Free Shipping orders over $100
#259658
160A18
Martin 160A18 Type A plain bore roller chain sprocket for #160 chain with 2" pitch, 18 teeth, 12.543" outside diameter, steel construction. Flat plate design with no hub for light-duty applications where weight savings is critical.
Brand Martin Sprocket
Model 160A18
$363.40 Each
Free Shipping orders over $100
#259662
160A22
Martin 160A22 Type A plain bore roller chain sprocket for #160 chain, 2" pitch, 22 teeth, steel construction. Flat plate design with no hub, 15.110" outside diameter. For light-duty applications where weight savings is critical.
Brand Martin Sprocket
Model 160A22
$477.19 Each
Free Shipping orders over $100
#259678
160A9
Martin 160A9 Type A plain bore roller chain sprocket for #160 chain with 2" pitch, 9 teeth, and 6.695" outside diameter. Flat plate design with no hub, steel construction. Suitable for standard roller chain drives requiring a lightweight, compact sprocket.
Brand Martin Sprocket
Model 160A9
$196.79 Each
Free Shipping orders over $100
#259805
180A11
Martin 180A11 Type A plain bore roller chain sprocket for #180 chain, 2-1/4" pitch, 11 teeth, steel construction. Flat plate design with no hub for lightweight applications. Outside diameter: 9.013".
Brand Martin Sprocket
Model 180A11
$454.82 Each
Free Shipping orders over $100
#259822
180A35
Martin 180A35 Type A plain bore roller chain sprocket for #180 chain with 2-1/4" pitch, 35 teeth, and 26.350" outside diameter. Steel construction with flat plate design and no hub. Suitable for heavy-duty industrial drive and conveyor applications requiring high tensile strength.
Brand Martin Sprocket
Model 180A35
$1,926.66 Each
Free Shipping orders over $100
#260465
240A10
Martin 240A10 Type A plain bore roller chain sprocket for #240 chain with 3" pitch, 10 teeth, and 11.033" outside diameter. Steel construction with flat plate design and no hub. Suitable for heavy-duty industrial drive and conveyor applications requiring high tensile strength.
Brand Martin Sprocket
Model 240A10
$597.89 Each
Free Shipping orders over $100
#260468
240A13
Martin 240A13 Type A plain bore roller chain sprocket for #240 chain with 3" pitch. 13 teeth, flat plate design with no hub. Steel construction. Outside diameter: 13.971".
Brand Martin Sprocket
Model 240A13
$841.51 Each
Free Shipping orders over $100
#260475
240A20
Martin 240A20 Type A Plain Bore roller chain sprocket for #240 chain with 3" pitch, 20 teeth, and 20.741" outside diameter. Steel flat plate design with no hub for lightweight applications. Suitable for heavy-duty industrial drives requiring high tensile strength.
Brand Martin Sprocket
Model 240A20
$1,538.27 Each
Free Shipping orders over $100
#260487
240B13
Martin 240B13 Type B plain bore roller chain sprocket for #240 chain, 3" pitch, 13 teeth, steel construction, 13.971" outside diameter. Single hub on one side for re-boring to application requirements. Minimum plain bore requires finishing to size.
Brand Martin Sprocket
Model 240B13
$1,081.09 Each
Free Shipping orders over $100
#260489
240B15
Martin 240B15 Type B plain bore roller chain sprocket for #240 chain with 3" pitch, 15 teeth, and 15.914" outside diameter. Steel construction with hub on one side. Minimum plain bore for custom boring. Suitable for heavy-duty power transmission and conveyor applications.
Brand Martin Sprocket
Model 240B15
$1,216.99 Each
Free Shipping orders over $100
#260499
240C40
Martin 240C40 Type C roller chain sprocket for #240 chain with 3" pitch, 40 teeth, and 39.919" outside diameter. Steel construction with hubs on both sides for heavy loads and offset mounting. Type C sprockets provide balanced support and are ideal for applications requiring shaft mounting with hubs on each side of the plate.
Brand Martin Sprocket
Model 240C40
$5,855.73 Each
Free Shipping orders over $100
#260502
240C60
Martin 240C60 Type C hub both sides roller chain sprocket for #240 chain with 3" pitch, 60 teeth, and 59.043" outside diameter. Steel construction with double-hub design for heavy loads and offset mounting. Plain bore sprocket for industrial power transmission applications.
Brand Martin Sprocket
Model 240C60
$10,573.37 Each
Free Shipping orders over $100
#260531
25B13
Martin 25B13 Type B plain bore roller chain sprocket for #25 chain (1/4" pitch), 13 teeth, minimum plain bore for custom re-boring. Steel construction with hub on one side for medium-duty applications. Outside diameter 1.164".
Brand Martin Sprocket
Model 25B13
$17.43 Each
Free shipping
#260539
25B16SS
Martin 25B16SS Type B plain bore roller chain sprocket for #25 chain (1/4" pitch), 16 teeth, stainless steel (304 SS) construction. Hub on one side for re-boring. Outside diameter: 1.407".
Brand Martin Sprocket
Model 25B16SS
$104.19 Each
Free Shipping orders over $100
#260570
25B45SS
Martin 25B45SS Type B plain bore roller chain sprocket for #25 chain (1/4" pitch), 45 teeth, stainless steel (304 SS) construction with hub on one side. Outside diameter: 3.725". Requires boring to size.
Brand Martin Sprocket
Model 25B45SS
$328.66 Each
Free Shipping orders over $100
#261133
35B32
Martin 35B32 Type B plain bore roller chain sprocket for #35 chain (3/8" pitch), 32 teeth, 4.032" outside diameter. Steel construction with hub on one side for re-boring. Suitable for light to medium duty power transmission applications.
Brand Martin Sprocket
Model 35B32
$37.93 Each
Free shipping
#261139
35B42
Martin 35B42 Type B plain bore roller chain sprocket for #35 chain (3/8" pitch), 42 teeth, 5.229" outside diameter. Steel construction with single hub on one side, minimum plain bore for custom machining to required shaft size. Suitable for light-duty power transmission applications.
Brand Martin Sprocket
Model 35B42
$47.69 Each
Free shipping
#261950
40B13
Martin 40B13 Type B Plain Bore roller chain sprocket for #40 chain (1/2" pitch), 13 teeth, 2.329" outside diameter. Steel construction with hub on one side, minimum plain bore for re-boring to required shaft size. Suitable for medium-duty power transmission applications.
Brand Martin Sprocket
Model 40B13
$21.26 Each
Free shipping
#261957
40B16SS
Martin 40B16SS Type B plain bore roller chain sprocket for #40 chain (1/2" pitch), 16 teeth, 304 stainless steel construction. Hub on one side for re-boring. Outside diameter: 2.814".
Brand Martin Sprocket
Model 40B16SS
$135.28 Each
Free Shipping orders over $100
#262008
40B52
Martin 40B52 Type B plain bore roller chain sprocket for #40 chain (1/2" pitch), 52 teeth, 8.566" outside diameter. Steel construction with hub on one side. Requires finishing to specific bore size. Suitable for light to medium duty power transmission applications.
Brand Martin Sprocket
Model 40B52
$86.76 Each
Free shipping
#262014
40B58
Martin 40B58 Type B Plain Bore roller chain sprocket for #40 chain (1/2" pitch), 58 teeth, steel construction with hub on one side. Minimum plain bore requires finishing to size. Outside diameter: 9.522"
Brand Martin Sprocket
Model 40B58
$91.17 Each
Free shipping
#262188
41A60
Martin 41A60 Type A Plain Bore roller chain sprocket for #41 chain (1/2" pitch), 60 teeth, 9.841" outside diameter. Steel flat plate design with no hub for light-duty applications. Plain bore for re-boring to required shaft size.
Read 1 review
Brand Martin Sprocket
Model 41A60
$54.20 Each
Free shipping
#262501
50A35SS
Martin 50A35SS Type A Plain Bore roller chain sprocket for #50 chain (5/8" pitch), 35 teeth, 7.319" outside diameter. Stainless steel (304 SS) construction for corrosion resistance. Flat plate design with no hub, suitable for light-duty applications.
Brand Martin Sprocket
Model 50A35SS
$467.37 Each
Free Shipping orders over $100
#262520
50A52
Martin 50A52 Type A plain bore roller chain sprocket for #50 chain with 5/8" pitch, 52 teeth, and 10.707" outside diameter. Steel construction with flat plate design and no hub. Suitable for applications requiring a lightweight, compact sprocket that can be bored to size.
Brand Martin Sprocket
Model 50A52
$70.67 Each
Free shipping
#262523
50A55
Martin 50A55 Type A plain bore roller chain sprocket for #50 chain (5/8" pitch), 55 teeth, 11.305" outside diameter, steel construction. Flat plate design with no hub for light-duty applications. Compatible with ANSI B29.1 standard roller chain.
Brand Martin Sprocket
Model 50A55
$77.19 Each
Free shipping
#262524
50A56
Martin 50A56 Type A plain bore roller chain sprocket for #50 chain (5/8" pitch), 56 teeth, 11.504" outside diameter. Flat plate design with no hub for light-duty applications. Steel construction. Compatible with ANSI B29.1 standard chain.
Brand Martin Sprocket
Model 50A56
$82.17 Each
Free shipping
#263292
50B22SS
Martin 50B22SS Type B plain bore roller chain sprocket for #50 ANSI chain, 5/8" pitch, 22 teeth, 4.722" outside diameter. Stainless steel (304 SS) construction with hub on one side. Requires finishing to a specific bore size. Ideal for corrosion-resistant power transmission applications.
Brand Martin Sprocket
Model 50B22SS
$376.31 Each
Free Shipping orders over $100
#263307
50B31
Martin 50B31 Type B plain bore roller chain sprocket for #50 chain (5/8" pitch), 31 teeth, 6.521" outside diameter. Steel construction with one-sided hub for custom machining. Minimum plain bore allows re-boring to required shaft size. For industrial power transmission applications.
Brand Martin Sprocket
Model 50B31
$79.67 Each
Free shipping
#263334
50B55
Martin 50B55 Type B plain bore roller chain sprocket for #50 chain (5/8" pitch), 55 teeth, 11.305" outside diameter, steel. One-sided hub design with minimum plain bore for custom machining. Suitable for power transmission applications requiring a durable, reborable sprocket.
Brand Martin Sprocket
Model 50B55
$94.78 Each
Free shipping
#263344
50B8
Martin 50B8 Type B plain bore roller chain sprocket for #50 chain, 5/8" pitch, 8 teeth, 1.884" outside diameter. Steel construction with one-sided hub for general power transmission. Minimum plain bore allows custom finishing to required shaft size.
Brand Martin Sprocket
Model 50B8
$23.37 Each
Free shipping
#263554
60A30SS
Martin 60A30SS Type A plain bore roller chain sprocket for #60 chain (3/4" pitch), 30 teeth, 7.586" outside diameter. Flat plate design with no hub, constructed from corrosion-resistant 304 stainless steel. Suitable for applications requiring a lightweight, compact sprocket that can be bored to size.
Brand Martin Sprocket
Model 60A30SS
$560.97 Each
Free Shipping orders over $100
#263595
60A76
Martin 60A76 Type A plain bore roller chain sprocket for #60 chain (3/4" pitch), 76 teeth, 18.583" outside diameter, steel. Flat plate design with no hub, the lightest weight sprocket style for standard power transmission applications.
Brand Martin Sprocket
Model 60A76
$208.94 Each
Free Shipping orders over $100
#263597
60A84
Martin 60A84 Type A plain bore roller chain sprocket for #60 chain (3/4" pitch), 84 teeth, 20.494" outside diameter, steel. Flat plate design with no hub provides a lightweight solution for power transmission applications.
Brand Martin Sprocket
Model 60A84
$247.13 Each
Free Shipping orders over $100
#264381
60B112
Martin 60B112 Type B plain bore roller chain sprocket for #60 chain (3/4" pitch), 112 teeth, 27.181" outside diameter. One-sided hub design with minimum plain bore for custom machining. Steel construction for industrial power transmission applications.
Brand Martin Sprocket
Model 60B112
$488.42 Each
Free Shipping orders over $100
#264393
60B17SS
Martin 60B17SS Type B plain bore roller chain sprocket for #60 chain (3/4" pitch), 17 teeth, 4.462" outside diameter. Constructed from corrosion-resistant 304 stainless steel. Features a hub on one side for standard mounting and a minimum plain bore for custom machining to required shaft size.
Brand Martin Sprocket
Model 60B17SS
$317.39 Each
Free Shipping orders over $100
#264412
60B27
Martin 60B27 Type B plain bore roller chain sprocket for #60 chain, 3/4" pitch, 27 teeth, 6.867" outside diameter. One-sided hub design with minimum plain bore for custom machining. Steel construction for general power transmission applications.
Brand Martin Sprocket
Model 60B27
$79.03 Each
Free shipping
#264415
60B29
Martin 60B29 Type B plain bore roller chain sprocket for #60 chain (3/4" pitch), 29 teeth, 7.346" outside diameter. Steel construction with one-sided hub for custom machining. Minimum plain bore allows re-boring to required shaft size. For general power transmission applications.
Brand Martin Sprocket
Model 60B29
$82.12 Each
Free shipping
#264437
60B47
Martin 60B47 Type B plain bore roller chain sprocket for #60 chain (3/4" pitch), 47 teeth, 11.654" outside diameter. Steel construction with one-sided hub for custom machining. Suitable for power transmission applications requiring a reborable sprocket.
Brand Martin Sprocket
Model 60B47
$123.34 Each
Free Shipping orders over $100
#264783
80A21SS
Martin 80A21SS Type A plain bore roller chain sprocket for #80 chain (1" pitch), 21 teeth, 7.235" outside diameter, stainless steel. Flat plate design with no hub, constructed from corrosion-resistant 304 stainless steel for washdown or corrosive environments.
Brand Martin Sprocket
Model 80A21SS
$572.33 Each
Free Shipping orders over $100
#264799
80A31
Martin 80A31 Type A Plain Bore roller chain sprocket for #80 chain with 1" pitch, 31 teeth, and 10.434" outside diameter. Flat plate design with no hub for lightweight applications. Manufactured from durable steel.
Brand Martin Sprocket
Model 80A31
$86.10 Each
Free shipping
#264816
80A46
Martin 80A46 Type A plain bore roller chain sprocket for #80 chain with 1" pitch, 46 teeth, and 15.219" outside diameter. Flat plate design with no hub for light weight. Steel construction. Requires finishing to a specific bore size.
Brand Martin Sprocket
Model 80A46
$190.21 Each
Free Shipping orders over $100
#265568
80B15SS
Martin 80B15SS Type B plain bore sprocket for #80 roller chain with 1" pitch, 15 teeth, and 5.305" outside diameter. 304 stainless steel construction offers corrosion resistance for washdown, food processing, and outdoor applications. Single hub design allows custom boring to fit specific shaft requirements.
Brand Martin Sprocket
Model 80B15SS
$548.43 Each
Free Shipping orders over $100
#265576
80B19SS
Martin 80B19SS Type B plain bore roller chain sprocket for #80 chain (1" pitch), 19 teeth, 6.593" outside diameter. One-sided hub design allows re-boring to required shaft size. Constructed from 304 stainless steel for corrosion resistance in washdown, food processing, and outdoor applications. Minimum plain bore requires finishing before installation.
Brand Martin Sprocket
Model 80B19SS
$784.84 Each
Free Shipping orders over $100
#265620
80B53
Martin 80B53 Type B plain bore roller chain sprocket for #80 chain, 1" pitch, 53 teeth, 17.451" outside diameter. Steel construction with one-sided hub for custom machining. Suitable for industrial power transmission applications requiring a reborable sprocket.
Brand Martin Sprocket
Model 80B53
$292.76 Each
Free Shipping orders over $100
#265623
80B56
Martin 80B56 Type B plain bore roller chain sprocket for #80 chain with 1" pitch, 56 teeth, and 18.407" outside diameter. Features a single hub on one side for re-boring to your required shaft size. Manufactured from steel for reliable power transmission in industrial drive applications.
Brand Martin Sprocket
Model 80B56
$317.37 Each
Free Shipping orders over $100
#265626
80B59
Martin 80B59 Type B plain bore roller chain sprocket for #80 chain, 1" pitch, 59 teeth, 19.363" outside diameter. Steel construction with one-sided hub and minimum plain bore for custom machining. Designed for industrial power transmission applications requiring a durable, reborable sprocket.
Brand Martin Sprocket
Model 80B59
$349.87 Each
Free Shipping orders over $100
#570129
40B40
Linn-Gear 40B40 SPROCKET H1
Brand Linn Gear
Model 40B40
$50.70 Each
Free shipping
#570574
80C36
Linn-Gear 80C36 SPROCKET H1
Brand Linn Gear
Model 80C36
$182.00 Each
Free Shipping orders over $100