Boston Gear FC20-3/4 Shaft Coupler hub

Name: Boston Gear FC20-3/4 Shaft Coupler hub - Twin Spring Coupling - Universal joint, jaw coupling and elastomeric coupling replacements
SKU: B004NEWIHW
Price: 72.25 USD
Availability: InStock

Size – Jaw Couplings FC20

Bore Dia. 3/4 in

Keyway Size Type 3/16 in x 3/32 in

Material – Hubs Steel

Outside Dia. 2 in

Assembled Coupling Length 3.69 in

Overall Length 3.69 in

UNSPSC 31163003

Product Description: Steel Jaw Coupling Hubs connect to drive shafts to provide dependable power transfer in high-temperature applications. A complete assembly requires two hubs and one jaw coupling spider, available separately.

SKU: B004NEWIHW Categories: Couplings, Couplings, Collars & Universal Joiners, Jaw Couplings Tags: Boston Gear, elastomeric coupling, hub, jaw coupling

Description

Boston Gear FC20-3/4 Shaft Coupler hub

Specifications

Max Outside Diameter: 2.0000 in

Max Torque: 1,000 in lb

Overall Assy Length: 4.8125 in

Hub Diameter: 1.7500 in

Bore Diameter: 3/4 in

Coupling Size: FC20

Weight: 1.100 lb

Thru Bore Length: 1.4375 in

Max HP (Bronze Insert): 18.2 HP @1150 RPM Max

Max HP (Rubber Insert): 13.7 HP @3450 RPM Max

Max HP (Poly Insert): 20.7 HP @3450 RPM Max

https://www.bostongear.com/ecatalog?page=product&cid=fc_series_coupling_half&id=FC20_3_4

https://twinspringcoupling.com/?s=boston+gear+fc20&post_type=product

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Couplings

Lovejoy L110 HUB 27T

Specifications

Description	L110 HUB 27T 16/32DP W/L'LOC
Coupling Type	Jaw
Material	Sintered Iron
Color	Metallic
Weight	2.40 lb
Weight (Complete Coupling w/ Min. Bores)	5.30 lb
Weight (Complete Coupling w/ Max. Bores)	6.60 lb

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TB Wood’s L22545MM

TB Wood's L22545MM

L225 x 45 mm. Bore, Cast Iron Material

Model: L22545MM

TB Wood's L-Jaw couplings are designed to meet high-quality standards while remaining affordable. Available with four insert materials and three hub materials, L-Jaw couplings are 100% interchangeable with industry-standard designs.

Couplings

Lovejoy L100 HUB 20MM w/KW

Lovejoy 68514452093 Specifications

Description	L100 HUB 20MM 6X2.8MM KW
Hub Style	1
Coupling Type	Jaw
Material	Sintered Iron
Color	Metallic
# of Jaws	3
Elastomeric Member	SOX (NBR) Rubber
Weight	1.49 lb
Weight (Complete Coupling w/ Min. Bores)	2.40 lb
Weight (Complete Coupling w/ Min. Bores)	3.20 lb

For use with Lovejoy L type Jaw style flexible coupling assembly (sold separately)
Iron sintered with powdered metals for strength, durability, and corrosion resistance
Transfers shock and misalignment to the center element of the coupling assembly for reduced wear on the shaft assembly
Country of origin: United States

Boston Gear XFCR45 Rubber Shaft Coupling Insert

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Boston Gear XFCR15 Rubber Shaft Coupling Insert

Boston Gear Rubber Spider Insert for Boston Gear FC15 and SSFC15

Boston Gear SSFC20-1 Jaw Coupling Hub 1/4 in x 1/8 in KW

Couplings

Boston Gear FC20-15/16 jaw coupling hub

Key Features

Size - Jaw Couplings FC20
Keyway Size Type 1/4 in x 1/8 in
Material - Hubs Steel
Outside Dia. 2 in
Assembled Coupling Length 3.69 in

Boston Gear XFCR25 Rubber Coupling Insert

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Boston Gear XFCR12 Rubber Spider Insert

Boston Gear Rubber spider insert for Boston Gear FC12 and SSFC12

Size - Jaw Couplings: FC12
Material - Spiders: Synthetic Rubber
Rated Torque: 65 in-lb
Max. RPM: 3,600 RPM
HP Rating @ 100 RPM: 0.10
Temp. Range: -32 Degrees to 200 Degrees F
Type: Oil Resistant

Couplings

Boston Gear XFCA15 Polyurethane Shaft Coupling Insert

Boston Gear Polyurethane Spider Insert for Boston Gear FC15 and SSFC15

BOSTON GEAR Polyurethane Spider Insert: FC15, 250 in-lb Rated Torque, 3,600 RPM Max., -32° to 200°F

Couplings

Boston Gear XFCR25 Rubber Coupling Insert

Boston Gear Rubber spider insert for Boston Gear FC25 and SSFC25

BOSTON GEAR Oil Resistant Spider Insert: FC25, 450 in-lb Rated Torque, 3,600 RPM Max., -32° to 200°F

Mfr. Model XFCR25

Couplings

Boston Gear XFCA25 Polyurethane Shaft Coupling Insert

Size - Jaw Couplings: FC25
Material - Spiders: Polyurethane
Rated Torque: 845 in-lb
Max. RPM: 3,600 RPM
HP Rating @ 100 RPM: 1.20
Temp. Range: -32 Degrees to 200 Degrees F
HP Rating @ 1750 RPM: 19.3 hp

Couplings

Boston Gear XFCR45 Rubber Shaft Coupling Insert

Boston Gear Rubber Spider Insert for Boston Gear FC45 and SSFC45

Size - Jaw Couplings: FC45
Material - Spiders: Synthetic Rubber
Rated Torque: 2,800 in-lb
Max. RPM: 1,800 RPM
HP Rating @ 100 RPM: 4.40
Temp. Range: -32 Degrees to 200 Degrees F
Coupling Size: FC45
XFCR45 RUBBER INSERT 08090

Couplings

Lovejoy L-AL 099-100 Solid Jaw Coupling Elastomer Spider

Lovejoy 68514411494 Specifications

Description	L/AL099/100 SPIDER SOX
Coupling Type	Jaw
Material	SOX (NBR) Rubber
Insert Style	Solid
Color	Black
Type	Elastomeric Insert
Weight	0.06 lb

Couplings

Lovejoy L/AL110 SPIDER SOX OCT 1-3/16

Lovejoy 68514411711 Specifications

Description	L/AL110 SPIDER SOX OCT 1-3/16
Coupling Type	Jaw
Material	SOX (NBR) Rubber
Insert Style	Open Center
Color	Black
Type	Elastomeric Insert
Weight	0.15 lb

Couplings

Boston Gear XFCR20 Rubber Coupling Insert

Boston Gear Rubber Spider insert for Boston Gear FC20 and SSFC20

MFR DESCRIPTION

XFCR20 RUBBER INSERT 08082

Oil-Resistant Synthetic Rubber is recommended where quietness is desired, particularly at motor speeds
Polyurethane is recommended where moderate to heavy shock loads are encountered
Oil-Impregnated Bost-Bronze is recommended for high torque loads, particularly at slower speeds

Couplings

Lovejoy L/AL110 SPIDER BRONZE 1-3/16

Lovejoy 68514411727 Specifications

Description	L/AL110 SPIDER BNZ OCT 1-3/16
Coupling Type	Jaw
Material	Bronze
Insert Style	Open Center
Color	Bronze
Type	Elastomeric Insert
Weight	0.68 lb

BOSTON GEAR SSFC20 7/8 Jaw Coupling Hub w KW

Couplings

Boston Gear FC20-1/2 Jaw coupling hub

RPM [MAX]	1800 rpm
LENGTH THROUGH BORE	1.57 in
OUTSIDE DIA.	2 in
KEYWAY SIZE	1/8 x 1/16
LOCK TYPE	Setscrew

COUPLING SIZE	FC20
MATERIAL	Steel
HUB DIA.	1 3/4 in
WEIGHT	1.181 LB
EAN OR UPC	781711082584

Couplings

Lovejoy L110 HUB 11T

Lovejoy 68514437909 Specifications

Description	L110 HUB 11T 16/32DP W/L'LOC
Coupling Type	Jaw
Material	Sintered Iron
Color	Metallic
Weight	2.90 lb
Weight (Complete Coupling w/ Min. Bores)	5.30 lb
Weight (Complete Coupling w/ Max. Bores)	6.60 lb

For use with Lovejoy L type Jaw style flexible coupling assembly (sold separately)
Iron sintered with powdered metals for strength, durability, and corrosion resistance
Splines are keyed to mesh with the splines of a shaft for a secure connection between hub and shaft
Transfers shock and misalignment to the center element of the coupling assembly for reduced wear on the shaft assembly

Couplings

Boston Gear XFCBB30 BOST-BRONZ Shaft Coupling Insert

Boston Gear Bost-Bronz spider insert for Boston Gear FC30 and SSFC30

MFR # BRONZE INSERTS 08072

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Couplings

Lovejoy L100 HUB 1-1/8 w/ KW

Lovejoy 68514411518 Specifications

Description	L100 HUB 1-1/8 1/4X1/8 KW
Hub Style	1
Coupling Type	Jaw
Material	Sintered Iron
Color	Metallic
# of Jaws	3
Elastomeric Member	SOX (NBR) Rubber
Weight	1.34 lb
Weight (Complete Coupling w/ Max. Bores)	3.20 lb
Weight (Complete Coupling w/ Min. Bores)	2.40 lb

Couplings

Lovejoy L110 HUB 37.5MM

Lovejoy 68514476496 Specifications

Description	L110 HUB 37.5MM *10X4MM KW
Hub Style	1
Coupling Type	Jaw
Material	Sintered Iron
Color	Metallic
# of Jaws	3
Elastomeric Member	SOX (NBR) Rubber
Weight	2.70 lb
Weight (Complete Coupling w/ Min. Bores)	5.30 lb
Weight (Complete Coupling w/ Min. Bores)	6.60 lb

For use with Lovejoy L type Jaw style flexible coupling assembly (sold separately)
Iron sintered with powdered metals for strength, durability, and corrosion resistance
Transfers shock and misalignment to the center element of the coupling assembly for reduced wear on the shaft assembly

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Boston Gear SSFC20-1 Jaw Coupling Hub 1/4 in x 1/8 in KW

SSFC Series Insert (3 Jaw) Type Couplings are made of 316 Stainless Steel and are available with precision machined bored or solid hubs. The SSFC Series coupling offers three types of inserts for different service requirements.

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Boston Gear XFCR38 Rubber Coupling Insert

Boston Gear Rubber Spider Insert for Boston Gear FC38 and SSFC38

Size - Jaw Couplings: FC38
Material - Spiders: Synthetic Rubber
Rated Torque: 1,600 in-lb
Max. RPM: 1,800 RPM
HP Rating @ 100 RPM: 2.50
Temp. Range: -32 Degrees to 200 Degrees F
Item: Oil Resistant Spider Insert

Spider

Lovejoy AL100 HUB 25MM

Lovejoy 68514476391 Specifications

Description	AL100 HUB 25MM 8X3.3MM KW 2SS
Hub Style	1
Coupling Type	Jaw
Material	Aluminum
Color	Silver
# of Jaws	3
Elastomeric Member	SOX (NBR) Rubber
Weight	0.56 lb
Weight - Solid	1.10 lb
Weight (Complete Coupling w/ Max. Bores)	1.50 lb

Couplings

Boston Gear SSFC20-3/4 SS Jaw Coupling Hub

Boston Gear SSFC20 3/4" SS Jaw Coupling Hub

Bore Dia. 3/4 in Keyway Size Type 3/16 in x 3/32 in Outside Dia. 2 in Assembled Coupling Length 3.69 in Keyway Size 3/16" x 3/32" Overall Length 3.69 in UPC Number 884107384221

Boston Gear XFCBB12 BOST-BRONZ Shaft Coupling Insert

Couplings

Boston Gear XFCBB20 Bost-Bronz Coupling Insert

OVERVIEW

MFR DESCRIPTION

XFCBB20 BRONZE INSERTS 08068

Oil-Resistant Synthetic Rubber is recommended where quietness is desired, particularly at motor speeds
Polyurethane is recommended where moderate to heavy shock loads are encountered
Oil-Impregnated Bost-Bronze is recommended for high torque loads, particularly at slower speeds

Boston Gear Bost-Bronz spider insert for FC20 and SSFC20

Boston Gear FC20-3/4 Shaft Coupler hub