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Jaw Couplings

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#32704
30236458
Boston Gear 30236458 XFCP23-1/2 hub and insert assembly for flexible coupling systems in power transmission applications. Includes a hub and replaceable insert designed for reliable torque transfer and misalignment accommodation.
Brand Boston Gear
Model 30236458
$34.21 Each
Free shipping
#248050
MS070 9/16
Martin MS070 9/16 Super Jaw coupling hub half with 9/16" bore and 1.375" outside diameter. Steel construction for use with elastomeric spider elements in power transmission applications requiring angular misalignment compensation.
Brand Martin Sprocket
Model MS070 9/16
$7.05 Each
Free shipping
#248074
MS090 5/16
Martin MS090 5/16 jaw coupling hub half for MS series jaw couplings. Steel construction with 2.125" outside diameter and 5/16" bore. Requires elastomeric spider element (sold separately) to complete coupling assembly.
Brand Martin Sprocket
Model MS090 5/16
$13.09 Each
Free shipping
#248080
MS095 1
Martin MS095 1 steel jaw coupling hub half for Super Jaw couplings, 2.125" outside diameter. Designed for use with elastomeric spider elements in power transmission applications.
Brand Martin Sprocket
Model MS095 1
$20.00 Each
Free shipping
#248085
MS095 13/16
Martin MS095 13/16 Super Jaw coupling hub half with 13/16" bore and 2.125" outside diameter. Steel construction for durability in power transmission applications. Compatible with Martin ML/MS jaw coupling spiders and industry-interchangeable with other jaw coupling hubs.
Brand Martin Sprocket
Model MS095 13/16
$20.00 Each
Free shipping
#248096
MS099 1 1/8
Martin MS099 1 1/8 jaw coupling hub half for Super Jaw couplings, 1-1/8" bore, 2.531" outside diameter, steel construction. Compatible with ML/MS series jaw couplings and standard elastomeric spiders.
Brand Martin Sprocket
Model MS099 1 1/8
$25.30 Each
Free shipping
#248107
MS099BLK 1/2
Martin MS099BLK 1/2 Super Jaw coupling hub half with 1/2" bore and 2.531" outside diameter. Steel construction for use in Super Jaw flexible couplings. Blank hub design for custom machining or replacement in power transmission applications.
Brand Martin Sprocket
Model MS099BLK 1/2
$25.30 Each
Free shipping
#338743
L110114516KS
TB Woods L110114516KS L-Jaw coupling hub for size L110 with a 1-1/4" finished bore and 5/16" keyway. Sintered iron construction for light-duty industrial drives. Pairs with a matching L-Jaw spider and second hub to form a complete flexible coupling.
Brand TB Woods
Model L110114516KS
$59.35 Each
Free shipping
#339312
L2251716
TB Woods L2251716 L-Jaw coupling hub for size L225 with a 1-7/16" finished bore. Sintered iron construction for light-duty industrial drives. Pairs with a matching L-Jaw spider and a second hub to form a complete jaw coupling.
Brand TB Woods
Model L2251716
$143.44 Each
Free Shipping orders over $100
#339784
LC10034
TB Woods LC10034 L-Jaw coupling hub for size L100 with a 3/4" finished bore. Sintered iron construction for light-duty industrial drives. Pairs with a matching L-Jaw spider and a second L-Jaw hub to form a complete flexible jaw coupling.
Brand TB Woods
Model LC10034
$52.45 Each
Free shipping
#339903
53956
TB Woods 53956 L090X11T SPLN L-Jaw coupling hub for Size L090 with a 1-1/16" splined bore. Sintered iron construction for light-duty industrial drives. Pairs with a matching L-Jaw spider and a second hub to form a complete flexible jaw coupling.
Brand TB Woods
Model 53956
$171.97 Each
Free Shipping orders over $100
#340891
LC10078
TB Woods LC10078 L-Jaw coupling hub for size L100 with a 7/8" finished bore. Sintered iron construction for light-duty industrial drives. Pairs with a matching L-Jaw spider and a second L100 hub to form a complete flexible jaw coupling.
Brand TB Woods
Model LC10078
$52.45 Each
Free shipping
#341391
L1007/16NK
TB Woods L1007/16NK L-Jaw coupling hub for size L100 with a 7/16" finished bore and no keyway. Made from sintered carbon steel with a straight jaw design. Rated for up to 7,000 RPM and 0.015" parallel misalignment. Pairs with a matching L-Jaw spider and second hub for light-duty industrial drives.
Brand TB Woods
Model L1007/16NK
$43.41 Each
Free shipping
#341437
L07517MM
TB Woods L07517MM L-Jaw coupling hub for size L075 with a 17 mm finished bore and 5 mm x 2.3 mm keyway. Sinter carbon steel construction with straight jaw design, rated for up to 11,000 RPM. Pairs with a matching L-Jaw spider and second hub to form a complete flexible coupling.
Brand TB Woods
Model L07517MM
$9.83 Each
Free shipping
#341675
L1009/16NK
TB Woods L1009/16NK L-Jaw coupling hub for size L100 with a 9/16" finished bore and no keyway. Constructed from sinter carbon steel with a straight jaw profile. Rated for speeds up to 7,000 RPM and compatible with bore sizes from 7/16" to 1-7/16".
Brand TB Woods
Model L1009/16NK
$43.41 Each
Free shipping
#673433
ML090-12MM
Martin ML090-12MM ML jaw coupling hub half with 12mm finished bore and set screw locking. Cast iron construction for durability in flexible jaw coupling applications. Designed for ML090 size couplings; requires an elastomeric spider element (sold separately) to complete the assembly.
Brand Martin Sprocket
Model ML090-12MM
$12.38 Each
Free shipping
#705400
L035X3/8
Dodge L035X3/8 jaw coupling spider element, replacement component for Dodge jaw couplings. Designed to transmit torque while dampening vibration and accommodating misalignment in industrial power transmission systems.
Brand Dodge
Model L035X3/8
$6.96 Each
Free shipping
#705402
L050X1/2
Dodge L050X1/2 spider coupling element, replacement component for Dodge jaw couplings. Designed to transmit torque while dampening vibration and accommodating misalignment in industrial power transmission systems.
Brand Dodge
Model L050X1/2
$6.96 Each
Free shipping
#705502
L099X1-1/16
Dodge L099X1-1/16 L-jaw coupling hub half with 1-1/16" bore. Component for L099 size spider jaw coupling system. Cast iron construction for industrial power transmission applications.
Brand Dodge
Model L099X1-1/16
Call for pricing
#705510
L099X28MM
Dodge L099X28MM D-Flex coupling hub half with 28mm bore for industrial power transmission. Designed for use with D-Flex sleeve couplings, this hub half provides reliable torque transfer and accommodates misalignment. Manufactured from durable materials for long service life in demanding applications.
Brand Dodge
Model L099X28MM
$52.54 Each
Free shipping
#736933
L225X42MM
Dodge L225X42MM Type L jaw coupling hub, cast iron construction, 42mm bored-to-size bore, 4200 RPM max speed. Compatible with jaw coupling spider elements for flexible power transmission in industrial drive systems.
Brand Dodge
Model L225X42MM
$150.51 Each
Free Shipping orders over $100
#1358673
L075X5/8KW5/32
Dodge L075X5/8KW5/32 jaw coupling hub half with 5/8" bore and keywayed mounting. Designed for industrial power transmission applications, this hub half connects to a compatible jaw coupling spider element to transmit torque while dampening vibration and accommodating minor misalignment. Constructed for reliable performance in motor-to-pump, compressor, and conveyor drive systems.
Brand Dodge
Model L075X5/8KW5/32
$9.17 Each
Free shipping
#1358678
L090X3/8KW3/32
Dodge L090X3/8KW3/32 Type L jaw coupling hub with 3/8" keywayed bore. Cast iron construction for general industrial power transmission applications. Compatible with Type L jaw coupling assemblies, providing vibration damping and accommodating misalignment in shaft connections.
Brand Dodge
Model L090X3/8KW3/32
Call for pricing
#1796803
68514462015
Lovejoy catalog number 68514462015 is a CJ 28A hub for a Curved Jaw (CJ) coupling. This sintered iron hub features a 7/8" bore with a 3/16" keyway. It is designed to pair with a matching hub and a urethane spider (typically 92A Shore yellow) to form a complete CJ28 coupling assembly, offering high torque capacity and misalignment accommodation for industrial drives. The CJ series provides a fail-safe design and requires no lubrication.
Brand LoveJoy
Model 68514462015
$50.54 Each
Free shipping
#1797482
0685144443298
Lovejoy 685144443298 L090 jaw coupling hub features a 12 mm metric bore with a 4 x 1.8 mm keyway. This sintered iron hub is part of the L090 size, designed for standard jaw coupling assemblies. It pairs with any L090 or AL090 hub and a compatible spider element (NBR, urethane, Hytrel, or bronze) to create a complete elastomeric coupling for power transmission applications such as pumps, compressors, and conveyors.
Brand LoveJoy
Model 0685144443298
$14.07 Each
Free shipping
#2040333
30273678
Boston Gear 30273678 G89791 SSFC20 stainless steel rigid coupling with 3/4" bore. Constructed from 300-series stainless steel for corrosion resistance in washdown and food processing environments. Suitable for connecting shafts in power transmission applications requiring a non-lubricated, maintenance-free connection.
Brand Boston Gear
Model 30273678
$180.50 Each
Free Shipping orders over $100
#2079753
802.30.43
TBWOODS 802.30.43 HUCO JAW 30 17MM
Brand HUCO Products
Model 802.30.43
$30.23 Each
Free shipping
#2080735
L05012B
TB Woods L05012B L-Jaw coupling hub for size L050 with a 1/2" finished bore. Sintered iron construction for light-duty industrial drives. Pairs with a matching L-Jaw spider and a second L050 hub to form a complete flexible jaw coupling.
Brand TB Woods
Model L05012B
$5.16 Each
Free shipping
#2339717
L050B
MasterDrive L050B bronze insert for power transmission applications. Precision-machined for reliable performance and durability in industrial machinery. Designed to meet demanding operational requirements.
Brand MasterDrive
Model L050B
$18.16 Each
Free shipping
#2339752
L075-7/16
MasterDrive L075-7/16 L075 jaw coupling hub with 7/16-inch bore. Sintered iron construction for durable power transmission in industrial applications. Accommodates standard L-type spider inserts for misalignment compensation.
Brand MasterDrive
Model L075-7/16
$8.82 Each
Free shipping
#2339756
L075B
MasterDrive L075B bronze insert for power transmission assemblies. Precision-machined from high-quality bronze for durable, low-friction bearing surface on rotating shafts. Offers excellent wear resistance and corrosion protection in industrial applications.
Brand MasterDrive
Model L075B
$35.38 Each
Free shipping
#2339764
L090/095U
MasterDrive L090/095U urethane insert for L090/095 jaw couplings. Flexible spider dampens vibration and accommodates misalignment in power transmission applications. Durable urethane construction ensures long service life.
Brand MasterDrive
Model L090/095U
$16.02 Each
Free shipping
#2339770
L090-11/16
MasterDrive L090-11/16 L090 jaw coupling hub with 11/16" bore. Precision-machined from sintered iron for reliable power transmission in industrial applications. The L090 size accommodates standard spider inserts for misalignment and vibration dampening.
Brand MasterDrive
Model L090-11/16
$13.58 Each
Free shipping
#2339774
L090-19MM
MasterDrive L090-19MM L090 jaw coupling hub with 19mm bore. Precision-machined from high-grade steel for reliable power transmission in industrial applications. Designed for use with L090 spider insert for misalignment accommodation.
Brand MasterDrive
Model L090-19MM
$13.58 Each
Free shipping
#2339792
L095-11/16
MasterDrive L095-11/16 L095 jaw coupling hub with 11/16" bore. Cast iron construction for industrial power transmission applications. Designed for use with L095 spider insert to form a flexible jaw coupling.
Brand MasterDrive
Model L095-11/16
$20.74 Each
Free shipping
#2339796
L095-17MM
MasterDrive L095-17MM L095 jaw coupling hub with 17mm bore. Precision-machined from high-grade steel for industrial power transmission applications. Designed for use with MasterDrive BSC series jaw couplings, providing reliable torque transmission and misalignment accommodation.
Brand MasterDrive
Model L095-17MM
$20.74 Each
Free shipping
#2339813
L099-1/2
MasterDrive L099-1/2 L099 jaw coupling hub with 1/2-inch bore. Cast iron construction for industrial power transmission applications. Designed for use with L099 series spider inserts.
Brand MasterDrive
Model L099-1/2
$26.22 Each
Free shipping
#2925942
ML050 10MM NKW
Martin ML050 10MM NKW jaw coupling hub half for ML series flexible couplings. Features a 10mm plain bore with no keyway, designed for use with elastomeric spiders to accommodate angular and parallel misalignment. Manufactured from steel for reliable torque transmission in industrial power transmission applications.
Brand Martin Sprocket
Model ML050 10MM NKW
$4.27 Each
Free shipping
#2925947
ML050 14MM NKW
Martin ML050 14MM NKW jaw coupling hub half for ML series flexible couplings. Features a 14mm finished bore with no keyway (NKW), designed for use with elastomeric spiders to accommodate angular and parallel misalignment. Manufactured from steel for durability in power transmission applications.
Brand Martin Sprocket
Model ML050 14MM NKW
$4.27 Each
Free shipping
#2925950
ML050 16MM
Martin ML050 16MM jaw coupling hub half for ML series elastomeric couplings. Steel hub designed to mate with an elastomeric spider insert (sold separately) to form a flexible jaw coupling, accommodating angular misalignment. Suitable for power transmission applications requiring torsional flexibility and vibration damping.
Brand Martin Sprocket
Model ML050 16MM
$4.27 Each
Free shipping
#2925953
ML050 5MM
Martin ML050 5MM jaw coupling hub half, 5mm bore, steel. For ML series jaw couplings, connects shafts up to 5mm. Elastomeric spider sold separately. Provides reliable power transmission with minimal backlash for general industrial applications.
Brand Martin Sprocket
Model ML050 5MM
$4.27 Each
Free shipping
#2925954
ML050 6MM NKW
Martin ML050 6MM NKW jaw coupling hub half for ML series elastomeric couplings. Designed for 6mm shaft bore, this hub half mates with a spider element to form a flexible coupling that accommodates angular misalignment and dampens vibration in power transmission applications.
Brand Martin Sprocket
Model ML050 6MM NKW
$4.27 Each
Free shipping
#2925958
ML050 9MM
Martin ML050 9MM jaw coupling hub half for ML series elastomeric couplings. Steel hub designed to mate with an elastomeric spider element (sold separately) to create a flexible coupling for shaft-to-shaft connections. The ML series accommodates moderate misalignment and provides vibration damping in industrial power transmission applications.
Brand Martin Sprocket
Model ML050 9MM
$4.27 Each
Free shipping
#2925980
ML075 10MM
Martin ML075 10MM jaw coupling hub half for ML series elastomeric couplings. Steel hub half with 10mm bore, designed to mate with a corresponding hub and standard spider element (sold separately) to create a flexible coupling accommodating angular and parallel misalignment. Suitable for industrial power transmission applications requiring torsional vibration damping.
Brand Martin Sprocket
Model ML075 10MM
$8.53 Each
Free shipping
#2925984
ML075 14MM
Martin ML075 14MM jaw coupling hub half for ML series elastomeric couplings. Steel hub with 14mm bore, designed to mate with an elastomeric spider insert (sold separately) to create a flexible coupling that accommodates angular misalignment. Compatible with industry-standard jaw coupling components.
Brand Martin Sprocket
Model ML075 14MM
$8.53 Each
Free shipping
#2925988
ML075 17MM
Martin ML075 17MM jaw coupling hub half with 17mm bore for ML series flexible couplings. Steel construction mates with elastomeric spider element to accommodate angular and parallel misalignment. Compatible with industry-standard ML jaw coupling components.
Brand Martin Sprocket
Model ML075 17MM
$8.53 Each
Free shipping
#2925997
ML075 5/8N/S KW
Martin ML075 5/8N/S KW jaw coupling hub half for ML series flexible couplings. Features a 5/8" finished bore with a keyway and set screw (N/S) locking system. Cast iron construction for durability in general power transmission applications requiring misalignment accommodation and vibration dampening.
Brand Martin Sprocket
Model ML075 5/8N/S KW
$8.53 Each
Free shipping
#2925998
ML075 7/16 NSKW
Martin ML075 7/16 NSKW jaw coupling hub half for ML series flexible jaw couplings. 7/16" bore with non-set screw keyway (NSKW) for secure shaft mounting. Cast iron construction for durability in general-purpose power transmission applications.
Brand Martin Sprocket
Model ML075 7/16 NSKW
$8.53 Each
Free shipping
#2926003
ML090 10MM
Martin ML090 10MM jaw coupling hub half for ML series flexible couplings. Steel hub half designed to connect with an elastomeric spider element, accommodating angular and parallel misalignment. Compatible with industry-standard ML series jaw couplings.
Brand Martin Sprocket
Model ML090 10MM
$13.09 Each
Free shipping
#2926006
ML090 14MM
Martin ML090 14MM jaw coupling hub half, 14mm bore, steel. For ML series elastomeric jaw couplings, mates with a spider element (sold separately) to form a flexible coupling that accommodates angular misalignment. Steel hub construction.
Brand Martin Sprocket
Model ML090 14MM
$13.09 Each
Free shipping
#2926022
ML090 7/16 NSKW
Martin ML090 7/16 NSKW jaw coupling hub half with 7/16" finished bore and standard keyway, no setscrews. For ML series jaw couplings, mates with elastomeric spider element for flexible power transmission with up to 1/2 degree angular misalignment.
Brand Martin Sprocket
Model ML090 7/16 NSKW
$13.09 Each
Free shipping
#2926035
ML095 15MM NKW
Martin ML095 15MM NKW jaw coupling hub half for ML series flexible jaw couplings. Features a 15mm finished bore with no keyway (NKW), designed for use with an elastomeric spider element to accommodate angular and parallel misalignment. Manufactured from sintered steel for durability in power transmission applications.
Brand Martin Sprocket
Model ML095 15MM NKW
$20.00 Each
Free shipping
#2926037
ML095 17MM
Martin ML095 17MM jaw coupling hub half, 17mm bore, steel. Part of the ML series jaw coupling system, designed to connect with an elastomeric spider insert (sold separately) to accommodate angular misalignment. Compatible with standard industry jaw coupling spiders.
Brand Martin Sprocket
Model ML095 17MM
$20.00 Each
Free shipping
#2926046
ML095 5/8 NKW
Martin ML095 5/8 NKW jaw coupling hub half for ML series flexible couplings. Features a 5/8" plain bore with no keyway (NKW), designed for use with an elastomeric spider element to accommodate angular and parallel misalignment. Manufactured from steel.
Brand Martin Sprocket
Model ML095 5/8 NKW
$20.00 Each
Free shipping
#2926054
ML099 14MM
Martin ML099 14MM jaw coupling hub half with 14mm finished bore for ML series elastomeric couplings. Steel construction mates with a corresponding hub and flexible spider insert to accommodate angular and parallel misalignment. Compatible with industry-standard ML series jaw couplings.
Brand Martin Sprocket
Model ML099 14MM
$25.30 Each
Free shipping
#2926058
ML099 18MM
Martin ML099 18MM jaw coupling hub half for ML series elastomeric couplings. Steel hub with 18mm bore, designed to mate with a corresponding hub and standard spider element (sold separately) to create a flexible coupling accommodating angular misalignment. For use in power transmission applications requiring torsional flexibility and vibration damping.
Brand Martin Sprocket
Model ML099 18MM
$25.30 Each
Free shipping
#2926064
ML099 28MM
Martin ML099 28MM jaw coupling hub half for ML series flexible couplings. Steel hub half mates with an elastomeric spider element to accommodate angular and parallel misalignment. Designed for 28mm bore shafts.
Brand Martin Sprocket
Model ML099 28MM
$25.30 Each
Free shipping
#2926069
ML099 7/8 NKW
Martin ML099 7/8 NKW jaw coupling hub half for ML series flexible jaw couplings. Features a 7/8" plain bore with set screw locking (no keyway). Ductile iron construction. Compatible with standard elastomeric spiders for torque transmission and misalignment accommodation.
Brand Martin Sprocket
Model ML099 7/8 NKW
$25.30 Each
Free shipping
#2926070
ML099 7/8 NSKW
Martin ML099 7/8 NSKW jaw coupling hub half for ML series flexible couplings. 7/8" finished bore with keyway, designed to accept a standard Nylon (NS) spider element. Provides reliable torque transmission and misalignment accommodation.
Brand Martin Sprocket
Model ML099 7/8 NSKW
$25.30 Each
Free shipping
#2928822
GWE 5103.1-7
Ringfeder GWE 5103.1-7 SPECIFY H1_H2 BORE_KEY AND SPIDER WITH ORDER Servo insert coupling
Brand Ringfeder
Model GWE 5103.1-7
$67.49 Each
Free shipping