Contacts
EN

Stop searching, install MROSupply Smart Check and see our price instantly wherever you browse.

Download Now

Add products to your shopping cart

Plain Bore Sprockets

Plain bore sprockets are unaltered, customizable components in roller chain drive systems designed to transmit rotational motion and torque between parallel shafts. Available in various sizes, tooth counts, and materials, these sprockets are essential for optimal performance, efficiency, and longevity in industrial applications such as conveyor systems, material handling equipment, and power transmission systems.
Show:

Filter

Sort By:
Items per page:
Item ID
Item
Price
Quantity
#258702
100B11
Martin 100B11 Type B Plain Bore roller chain sprocket for #100 chain (1-1/4" pitch) with 11 teeth. Steel construction with one hub side for re-boring. Outside diameter: 5.007". Weight: 5.3 lbs.
Brand Martin Sprocket
Model 100B11
$96.45 Each
Free shipping
#258706
100B13
Martin 100B13 Type B Plain Bore roller chain sprocket for #100 chain (1-1/4" pitch). 13 teeth, minimum plain bore (MPB) for custom boring to required shaft size. Steel construction, outside diameter 5.821", weight 6.6 lbs. Hub on one side for standard
Brand Martin Sprocket
Model 100B13
$112.06 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
#258716
100B18
Martin 100B18 Type B Plain Bore roller chain sprocket for #100 chain (1-1/4" pitch), 18 teeth, minimum plain bore (MPB) for custom boring. Steel construction with hub on one side. Outside diameter: 7.839". Weight: 11.5 lbs.
Brand Martin Sprocket
Model 100B18
$172.46 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
#258738
100B40
Martin 100B40 Type B Plain Bore roller chain sprocket for #100 chain (1-1/4" pitch). 40 teeth, minimum plain bore for custom machining. Steel construction with one hub side. Outside diameter: 16.633". Weight: 46.9 lbs.
Brand Martin Sprocket
Model 100B40
$407.13 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
#259136
120C12
Martin 120C12 Type C roller chain sprocket with hubs on both sides for heavy loads or offset mounting. #120 chain (1-1/2" pitch), 12 teeth, steel construction. Outside diameter: 6.498". Weight: 14.8 lbs.
Brand Martin Sprocket
Model 120C12
$396.40 Each
Free Shipping orders over $100
#259394
140B15
Martin 140B15 Type B Plain Bore roller chain sprocket for #140 chain (1-3/4" pitch). 15 teeth, minimum plain bore for re-boring to required shaft size. Steel construction with hub on one side for medium-duty power transmission applications.
Brand Martin Sprocket
Model 140B15
$388.25 Each
Free Shipping orders over $100
#260529
25B12
Martin 25B12 Type B Plain Bore roller chain sprocket for #25 chain (1/4" pitch) with 12 teeth. Steel construction with hub on one side for re-boring. Minimum plain bore requires finishing to specific shaft size. Outside diameter: 1.083", weight: 0.06 lbs.
Brand Martin Sprocket
Model 25B12
$15.74 Each
Free shipping
#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
#261098
35B12
Martin 35B12 Type B Plain Bore roller chain sprocket for #35 chain (3/8" pitch). 12 teeth, minimum plain bore (MPB) for custom boring to required shaft size. Steel construction with hub on one side for medium-duty power transmission applications.
Brand Martin Sprocket
Model 35B12
$15.19 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
#261153
35B96
Martin 35B96 Type B plain bore roller chain sprocket for #35 chain (3/8" pitch) with 96 teeth. Steel construction, hub on one side, minimum plain bore requires finishing to size. Outside diameter: 11.680", weight: 5.16 lbs.
Brand Martin Sprocket
Model 35B96
$87.88 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".
Read 1 review
Brand Martin Sprocket
Model 40A112
$136.57 Each
Free Shipping orders over $100
#261266
40A60
Martin 40A60 Type A (Plain Bore) roller chain sprocket for #40 chain (1/2" pitch). 60 teeth, steel construction, flat plate design with no hub. Outside diameter: 9.841". Weight: 5.48 lbs.
Brand Martin Sprocket
Model 40A60
$57.50 Each
Free shipping
#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
#261272
40A96
Martin 40A96 Type A (Plain Bore) roller chain sprocket for #40 chain (1/2" pitch). 96 teeth, steel construction, flat plate design with no hub. Outside diameter: 15.573". Weight: 13.52 lbs.
Brand Martin Sprocket
Model 40A96
$97.66 Each
Free shipping
#261943
40B10
Martin 40B10 Type B Plain Bore roller chain sprocket for #40 chain (1/2" pitch). 10 teeth, steel construction with one hub side for re-boring. Minimum plain bore requires finishing to specific shaft size.
Brand Martin Sprocket
Model 40B10
$16.81 Each
Free shipping
#261947
40B112
Martin 40B112 Type B Plain Bore roller chain sprocket for #40 chain (1/2" pitch). 112 teeth, steel construction, one hub side for re-boring. Outside diameter: 18.121". Weight: 22.56 lbs.
Brand Martin Sprocket
Model 40B112
$194.87 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
#261982
40B30
Martin 40B30 Type B Plain Bore roller chain sprocket for #40 chain (1/2" pitch). 30 teeth, minimum plain bore (MPB) for custom machining. Steel construction with hub on one side. Suitable for light to medium duty power transmission applications.
Brand Martin Sprocket
Model 40B30
$59.50 Each
Free shipping
#261990
40B36
Martin 40B36 Type B Plain Bore roller chain sprocket for #40 chain (1/2" pitch). 36 teeth, minimum plain bore for re-boring to required shaft size. Steel construction with one hub side for medium-duty applications.
Brand Martin Sprocket
Model 40B36
$64.74 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
#262020
40B8
Martin 40B8 Type B Plain Bore roller chain sprocket for #40 chain (1/2" pitch). 8 teeth, steel construction, one hub side for re-boring. Outside diameter 1.507", weight 0.18 lb.
Brand Martin Sprocket
Model 40B8
$15.74 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
#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
#262420
41B36
Martin 41B36 Type B Plain Bore roller chain sprocket for #41 chain (1/2" pitch). 36 teeth, minimum plain bore for custom machining to size. Steel construction, outside diameter 6.015", weight 4.06 lbs. Hub on one side for re-boring applications.
Brand Martin Sprocket
Model 41B36
$63.11 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
#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
#263342
50B72
Martin 50B72 Type B Plain Bore roller chain sprocket for #50 chain (5/8" pitch). Features 72 teeth, a minimum plain bore for custom machining, and a one-sided hub design. Manufactured from durable steel for industrial power transmission applications.
Brand Martin Sprocket
Model 50B72
$140.36 Each
Free Shipping orders over $100
#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
#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
#264390
60B16
Martin 60B16 Type B Plain Bore roller chain sprocket for #60 chain (3/4" pitch). Features 16 teeth, a minimum plain bore for custom machining, and a one-sided hub. Made from durable steel for general power transmission applications.
Brand Martin Sprocket
Model 60B16
$46.65 Each
Free shipping
#264416
60B30
Martin 60B30 is a Type B Plain Bore roller chain sprocket for #60 chain (3/4" pitch). Features 30 teeth, a minimum plain bore for custom machining, and a one-sided hub. Made from steel for general power transmission applications.
Brand Martin Sprocket
Model 60B30
$78.12 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
#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
#265563
80B13
Martin 80B13 Type B Plain Bore roller chain sprocket for #80 chain (1" pitch). Features 13 teeth, a hub on one side for re-boring, and a minimum plain bore. Made from 1045 steel for general power transmission applications.
Brand Martin Sprocket
Model 80B13
$61.13 Each
Free shipping
#265567
80B15
Martin 80B15 Type B Plain Bore roller chain sprocket for #80 chain (1" pitch). Features 15 teeth, a one-sided hub for re-boring, and a minimum plain bore. Made of steel for general power transmission applications.
Brand Martin Sprocket
Model 80B15
$68.91 Each
Free shipping
#265577
80B20
Martin 80B20 Type B Plain Bore roller chain sprocket for #80 chain (1" pitch). Features 20 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 80B20
$97.66 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
#265594
80B30
Martin 80B30 Type B Plain Bore Roller Chain Sprocket for #80 chain (1" pitch). Features 30 teeth, a hub on one side for re-boring, and is made of steel. Outside diameter is 10.114". Ideal for custom shaft mounting applications.
Brand Martin Sprocket
Model 80B30
$138.46 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
#265612
80B45
Martin 80B45 Type B Plain Bore roller chain sprocket for #80 chain (1" pitch). Features 45 teeth, a hub on one side for re-boring, and is made of steel. Outside diameter is 14.901". Requires finishing to a specific bore size for installation.
Brand Martin Sprocket
Model 80B45
$212.94 Each
Free Shipping orders over $100
#265627
80B60
Martin 80B60 Type B Plain Bore roller chain sprocket for #80 chain (1" pitch). Features 60 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 80B60
$340.69 Each
Free Shipping orders over $100
#265635
80C14
Martin 80C14 is a Type C roller chain sprocket with hubs on both sides for heavy loads or offset mounting. Compatible with #80 ANSI roller chain (1" pitch), featuring 14 teeth, a 4.981" outside diameter, and a steel construction. Weighs 6.44 lbs.
Brand Martin Sprocket
Model 80C14
$152.90 Each
Free Shipping orders over $100
#265637
80C16
Martin 80C16 Type C roller chain sprocket features hubs on both sides for heavy loads or offset mounting. Compatible with #80 ANSI chain (1" pitch), 16 teeth, and is manufactured from durable steel. Outside diameter is 5.627" and weight is 8.81 lbs.
Brand Martin Sprocket
Model 80C16
$179.27 Each
Free Shipping orders over $100