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Martin Sprocket

 

Martin Sprocket & Gear was founded in 1951 by Joe Martin Sr. Over the decades Martin has expanded through machining, fabrication, forging, casting, powdered metal technology and machined & injection molded plastic of power transmission components, material handling products and industrial hand tools. Martin has grown to include manufacturing and sales facilities strategically located worldwide. 

 

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#248658
SDS 1 1/2
Martin SDS 1 1/2 QD bushing is a steel quick disconnect bushing with a 1-1/2" bore and a 3/8" x 3/16" keyway. It is industry-interchangeable with Dodge, Browning, and Gates SDS bushings for mounting sheaves, sprockets, and pulleys.
Brand Martin Sprocket
Model SDS 1 1/2
$30.85 Each
Free shipping
#249212
10H
Martin 10H Quadra-Flex coupling sleeve made of Hytrel thermoplastic elastomer for high torque transmission (4x standard TPR). 7.015" outside diameter, 2.9 lb weight. Compatible with Quadra-Flex size 10 hubs for flexible shaft couplings with up to 4°
Brand Martin Sprocket
Model 10H
$343.39 Each
Free Shipping orders over $100
#249218
10HS
Martin 10HS Quadra-Flex coupling sleeve, Hytrel 2-piece split design for easy installation, 7.015" outside diameter. High-torque elastomer sleeve transmits 4x torque of standard TPR/EPDM sleeves. For Quadra-Flex size 10 couplings.
Read 1 review
Brand Martin Sprocket
Model 10HS
$352.59 Each
Free Shipping orders over $100
#249221
10JEM
Martin 10JEM Quadra-Flex coupling sleeve is a TPR (thermoplastic rubber) flexible element for size 10 Quadra-Flex couplings. Provides 4 degrees of angular misalignment, -65 to 275°F temperature range, and transmits torque via elastomeric design. 7.015"
Brand Martin Sprocket
Model 10JEM
$94.69 Each
Free shipping
#249921
5JEM
Martin 5JEM Quadra-Flex coupling sleeve is a TPR rubber element for size 5 Quadra-Flex couplings. Provides 4 degrees of misalignment, torque transmission up to 649 in-lb, and operates from -65 to 275°F. Replaces worn or damaged flexible inserts.
Brand Martin Sprocket
Model 5JEM
$20.29 Each
Free shipping
#250010
6JEM
Martin 6JEM TPR (thermoplastic rubber) flex coupling sleeve element for Quadra-Flex size 6 couplings. Provides torsional flexibility and accommodates misalignment in power transmission systems. 3.740" outside diameter, 0.3500 lb weight.
Brand Martin Sprocket
Model 6JEM
$33.82 Each
Free shipping
#250096
7JEM
Martin 7JEM Quadra-Flex coupling sleeve is a TPR (thermoplastic rubber) elastomeric element for size 7 Quadra-Flex couplings. Provides torsional flexibility and misalignment accommodation. Outside diameter is 4.314", weight 0.5 lbs.
Read 2 reviews
Brand Martin Sprocket
Model 7JEM
$43.96 Each
Free shipping
#250135
8EM
Martin 8EM Quadra-Flex coupling sleeve is an EPDM rubber flexible element for size 8 Quadra-Flex shaft couplings. Provides torsional flexibility and accommodates up to 4 degrees of angular misalignment. Outside diameter 5.047", weight 1.4 lbs.
Read 1 review
Brand Martin Sprocket
Model 8EM
$111.59 Each
Free Shipping orders over $100
#250136
8H
Martin 8H Quadra-Flex coupling sleeve made of Hytrel thermoplastic elastomer. Size 8H element for Quadra-Flex flexible jaw couplings. 5.047" outside diameter, 1.4 lb weight. Direct replacement for industry-standard flexible coupling inserts.
Brand Martin Sprocket
Model 8H
$213.04 Each
Free Shipping orders over $100
#250148
8JEM
Martin 8JEM Quadra-Flex flexible coupling sleeve with TPR rubber element for size 8 coupling. 5.047" outside diameter. Provides 4 degrees of angular misalignment, vibration damping, and torsional flexibility. Interchangeable with Dodge, Browning, and TB
Read 1 review
Brand Martin Sprocket
Model 8JEM
$57.49 Each
Free shipping
#250194
9H
Martin 9H Quadra-Flex coupling sleeve is a Hytrel elastomeric element for size 9 Quadra-Flex flexible shaft couplings. Hytrel material provides high torque transmission (4x standard TPR) and accommodates up to 4 degrees of angular misalignment. Outside
Brand Martin Sprocket
Model 9H
$280.68 Each
Free Shipping orders over $100
#250207
9JEM
Martin 9JEM is a TPR (thermoplastic rubber) flexible sleeve element for size 9 Quadra-Flex jaw couplings. Provides 4 degrees of angular misalignment capacity, -65 to 275°F temperature range, and vibration damping. Replaces worn coupling inserts.
Read 1 review
Brand Martin Sprocket
Model 9JEM
$67.63 Each
Free shipping
#250605
TT50BS 1 3/8
Martin TT50BS 1 3/8 torque limiter overload clutch for #50 roller chain (5/8" pitch). Bored-to-Size (BS) finished bore with keyway and setscrews. Steel construction. Protects drive systems from overload damage by slipping at preset torque.
Brand Martin Sprocket
Model TT50BS 1 3/8
$369.71 Each
Free Shipping orders over $100
#250631
TT70SB
Martin TT70SB torque limiter overload clutch with 1.250" pitch, steel construction, and 18 lb weight. Provides overload protection for power transmission systems by disengaging at preset torque.
Brand Martin Sprocket
Model TT70SB
$629.94 Each
Free Shipping orders over $100
#250915
HMK1025
Martin HMK1025 hardened steel miter gear, 10 diametral pitch, 25 teeth, 14.5-degree pressure angle, 2.641" OD. Hardened teeth (HMK prefix) for durability in 90-degree power transmission applications. Direct replacement for Boston Gear, Browning, Globe,
Brand Martin Sprocket
Model HMK1025
$126.82 Each
Free Shipping orders over $100
#251167
S1224
Martin S1224 steel spur gear with 12 diametral pitch, 24 teeth, and 14.5-degree pressure angle. Plain bore design for custom shaft fitting. Outside diameter 2.166". Weight 0.88 lbs. Compatible with other 14.5-degree PA gears.
Brand Martin Sprocket
Model S1224
$94.14 Each
Free shipping
#251178
S1236
Martin S1236 steel spur gear with 12 diametral pitch, 36 teeth, and 14.5-degree pressure angle. Plain bore design for custom machining. Outside diameter 3.167". Stock spur gear for power transmission applications.
Brand Martin Sprocket
Model S1236
$96.66 Each
Free shipping
#251717
TS2020
Martin TS2020 steel spur gear with 20 diametral pitch, 20 teeth, and 20-degree pressure angle. Features a 1.100" outside diameter and weighs 0.1300 lbs. Suitable for power transmission applications requiring precise gear meshing.
Brand Martin Sprocket
Model TS2020
$44.08 Each
Free shipping
#251923
W1220
Martin W1220 is a cast iron worm gear with 20 teeth and a 1.853" outside diameter. Designed for right-angle power transmission, this gear mates with a matching worm to provide high-ratio speed reduction in industrial drives and machinery.
Brand Martin Sprocket
Model W1220
$110.22 Each
Free Shipping orders over $100
#252026
CC6-H
Martin Sprocket CC6-H hardened steel coupling shaft for screw conveyor drive connections. 3.000" outside diameter, 24.5 lb weight. Provides a durable, wear-resistant connection between drive components in material handling systems.
Brand Martin Sprocket
Model CC6-H
$261.36 Each
Free Shipping orders over $100
#252132
CHB2203MBR-O
Martin Sprocket CHB2203MBR-O plain sleeve hanger bearing features a Martin Bronze bushing in a cast iron housing. This general-duty bearing provides self-lubricating performance for power transmission applications where frequent lubrication is
Brand Martin Sprocket
Model CHB2203MBR-O
$167.88 Each
Free Shipping orders over $100
#252153
CHB2204W
Martin CHB2204W plain sleeve hanger bearing features a 2" bore with wood bushing material. Designed for use with #220/226 chain in light-duty power transmission and conveyor applications. Provides economical bearing support with simple sleeve design.
Brand Martin Sprocket
Model CHB2204W
$80.17 Each
Free shipping
#252215
CSC-2
Martin CSC-2 screw conveyor trough cover clamp, made of steel. Secures trough covers on screw conveyors for material handling applications. Weight: 0.51 lbs.
Brand Martin Sprocket
Model CSC-2
$21.38 Each
Free shipping
#252232
CSS6
Martin CSS6 split gland seal is a cast iron abrasion-resistant packing seal for industrial applications requiring a loose gland design to accommodate shaft wear and misalignment.
Brand Martin Sprocket
Model CSS6
$336.06 Each
Free Shipping orders over $100
#252235
CSW4
Martin CSW4 abrasion-resistant packing seal for waste and slurry applications. Cast iron construction provides durability in harsh environments. Ideal for sealing rotating shafts in pumps, mixers, and conveyors where abrasive particles are present.
Brand Martin Sprocket
Model CSW4
$205.79 Each
Free Shipping orders over $100
#252237
CSW6
Martin CSW6 3" waste pack seal is a cast iron abrasion-resistant packing seal designed for sealing applications in harsh industrial environments. It provides durable protection against wear and contamination.
Brand Martin Sprocket
Model CSW6
$298.25 Each
Free Shipping orders over $100
#252891
4HF206-R
Martin Sprocket 4HF206-R is a 4" diameter x 4" pitch right-hand helical flight for screw conveyors, made of steel. Used for moving bulk materials in industrial applications.
Brand Martin Sprocket
Model 4HF206-R
$276.48 Each
Free Shipping orders over $100
#252940
6HF304-R
Martin Sprocket 6HF304-R 6" x 6" right-hand helical flight screw conveyor accessory. 10 ft length, steel construction. Used for material handling in screw conveyors and augers.
Brand Martin Sprocket
Model 6HF304-R
$172.80 Each
Free Shipping orders over $100
#252943
6H304-R
Martin Sprocket 6H304-R helical screw conveyor auger, 6" diameter x 1-1/2" pitch x 9-10" length, steel construction for material handling and bulk conveying systems. Compatible with Martin screw conveyor troughs and accessories.
Brand Martin Sprocket
Model 6H304-R
$390.12 Each
Free Shipping orders over $100
#253788
1VP40 5/8
Martin 1VP40 5/8 variable pitch sheave for V-belt drives. 1-groove, 4.0" outside diameter, 5/8" finished bore. Cast iron construction. Adjustable pitch diameter for speed variation.
Brand Martin Sprocket
Model 1VP40 5/8
$44.04 Each
Free shipping
#253795
1VP44 7/8
Martin 1VP44 7/8 variable pitch sheave for V-belt drives. 1-groove design with 4.4" outside diameter and 7/8" finished bore. Cast iron construction for durability. Adjustable pitch diameter for speed variation applications.
Brand Martin Sprocket
Model 1VP44 7/8
$66.03 Each
Free shipping
#253833
1VP71 1 3/8
Martin 1VP71 1 3/8 Variable Pitch Sheave. 1-groove variable pitch sheave with 7.1" outside diameter, cast iron construction, and 1-3/8" bore. Adjustable pitch diameter for V-belt drives.
Brand Martin Sprocket
Model 1VP71 1 3/8
$146.03 Each
Free Shipping orders over $100
#254644
2VP50 1 1/8
Martin 2VP50 1 1/8 variable pitch sheave for V-belt drives. 2-groove design with 5.0" outside diameter and 1-1/8" finished bore. Cast iron construction for durability in adjustable speed applications.
Brand Martin Sprocket
Model 2VP50 1 1/8
$138.31 Each
Free Shipping orders over $100
#254664
2VP65 1 3/8
Martin 2VP65 1 3/8 variable pitch sheave for V-belt drives. 2-groove design with 6.5" outside diameter and 1-3/8" finished bore. Cast iron construction for durability. Adjustable pitch diameter for speed variation applications.
Brand Martin Sprocket
Model 2VP65 1 3/8
$223.03 Each
Free Shipping orders over $100
#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
#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
#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
#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
#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
#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
#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
#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
#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
#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
#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
#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
#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
#267037
OB18K
Martin Sprocket OB18K 18-piece hydraulic wrench set. Chrome-plated steel construction for corrosion resistance. Includes 11/32" x 11/32" and 3/8" x 3/8" wrenches for hydraulic fittings and fasteners in industrial maintenance and power transmission
Brand Martin Sprocket
Model OB18K
$600.00 Each
Free Shipping orders over $100