AMC 2026 catalogue

Power Transmission

Jaw and Shaft Couplings

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POWER TRANSMISSION

Jaw Couplings

Coupling Hubs—3 jaw insert design is complete with keyway and set screw. No lubrication required.

▪Standard tolerance: +0.001/- 0.000",

all bore dimensions

Polyurethane Spider Inserts—Recommended where moderate-to-heavy shock loads are encountered.

▪Temp. rang: -32° to 200°F (-35° to 93°C) WWG2L065 WWG2L067

Size

Bore

Dia. Outside Dia.

Overall Length

Item

No. Jaw Coupling Hub

FC12 1⁄2" 1.25" 2.31" WWG2L030

FC15

1⁄2" 1.50" 2.75" WWG2L031 9⁄16" 1.50" 2.75" WWG2L032 5⁄8" 1.50" 2.75" WWG2L033 3⁄4" 1.50" 2.75" WWG2L034 7⁄8" 1.50" 2.75" WWG2L035

FC20

1⁄2" 2.00" 3.69" GUS2L036 9⁄16" 2.00" 3.69" WWG2L037 5⁄8" 2.00" 3.69" WWG2L038 7⁄8" 2.00" 3.69" WWG2L040 15⁄16" 2.00" 3.69" WWG2L041

FC25

7⁄8" 2.50" 4.13" WWG2L043 1" 2.50" 4.13" WWG2L044 1 3⁄16" 2.50" 4.13" WWG2L046 1 1⁄4" 2.50" 4.13" WWG2L047

FC30

1" 3.00" 5.47" WWG2L048 1 1⁄4" 3.00" 5.47" WWG2L050 1 3⁄8" 3.00" 5.47" WWG2L051 1 7⁄16" 3.00" 5.47" WWG2L052 1 1⁄2" 3.00" 5.47" WWG2L053 FC38 1 1⁄4" 3.75" 6.31" WWG2L054

Size

Shaft Dia. Range (in.) Rated Torque

HP Rating @ 100 RPM

HP Rating @ 300 RPM

HP Rating @ 690 RPM

HP Rating @ 870 RPM

HP Rating @ 1750 RPM

Item

No. Oil Impregnated Spider Insert

FC15 1⁄2 - 7⁄8" 500 in.-lbs. 0.80 2.4 5.5 6.9 13.9 WWG2L067 FC20 1⁄2 - 1 1⁄8" 1,000 in.-lbs. 1.60 4.8 10.9 13.8 — WWG2L070 FC25 3⁄4 - 1 3⁄8" 1,800 in.-lbs. 2.90 8.6 19.7 24.8 — WWG2L073 FC30 1 - 1 5⁄8" 3,200 in.-lbs. 5.10 15.2 35.0 — — WWG2L076 FC38 1 1⁄4 - 1 7⁄8" 7,000 in.-lbs. 11.10 33.3 — — — WWG2L079 Oil Resistant Spider Insert

FC12 3⁄8 - 5⁄8" 125 in.-lbs. 0.19 0.56 1.2 1.6 3.0 WWG2L066 FC15 1⁄2 - 7⁄8" 125 in.-lbs. 0.20 0.6 1.4 1.7 3.5 WWG2L068 FC25 3⁄4 - 1 3⁄8" 450 in.-lbs. 0.70 2.1 4.9 6.2 12.5 WWG2L074 FC30 1 - 1 5⁄8" 800 in.-lbs. 1.30 3.8 8.8 11.0 22.2 WWG2L077 FC38 1 1⁄4 - 1 7⁄8" 1,600 in.-lbs. 2.50 7.6 17.5 22.1 44.4 WWG2L080 Polyurethane Spider Insert

FC15 1⁄2 - 7⁄8" 250 in.-lbs. 0.37 1.1 2.5 3.1 6.0 WWG2L069 FC20 1⁄2 - 1 1⁄8" 470 in.-lbs. 0.70 2.1 4.6 5.7 11.1 WWG2L072 FC25 3⁄4 - 1 3⁄8" 845 in.-lbs. 1.20 3.7 8.1 10.1 19.3 WWG2L075 FC30 1 - 1 5⁄8" 1,500 in.-lbs. 2.20 6.5 14.4 17.9 34.3 WWG2L078 FC45 1 3⁄4 - 2 1⁄8" 5,250 in.-lbs. 7.50 22.4 49.2 61.0 115.9 WWG2L084 Synthetic Rubber Spider Insert

FC12 3⁄8 - 5⁄8" 65 in.-lbs. 0.10 0.3 0.7 0.9 1.8 WWG2L065

BOSTON GEAR

Synthetic Rubber Spider Inserts— Recommended where minimal noise is desired, particularly at motor speeds.

▪Oil- resistant ▪Temp. range: -32° to 200°F (-35° to 93°C)

Jaw Couplings L-type couplings are designed for close-coupling applications.

Coupling Hubs—Maintenance-free couplings connect to drive shafts to provide dependable power transfer, even in high-temperature applications. Plated metal construction requires no lubrication. Simple design helps assure easy installation and consistent performance. Coupling keyway dimensions conform to DIN 6885, JIS B 1310-1976, UNI 6604 - 1969, USAS B 17.1-1967, GB 1095-1979 standards.

▪Max. angular misalignment: 1° ▪Max. parallel misalignment: 0.015"

Spider Inserts—Oil- and high temperature-resistant inserts conform to the sintered alloy couplings to help them maintain position and structure for equal power transfer.

▪Temp. rang: -40° to 100°C (Buna N); -51° to 121°C (Hytrel®)

GGF29HZ10 GGF29HY49

Size Rated Torque

HP Rating @ 100 RPM

HP Rating @

1,200 RPM HP Rating @

1,800 RPM HP Rating @ 3,600 RPM

Item

No. Spider Insert

L050 26 in.-lbs. 0.04 0.49 0.73 1.47 GGF29HZ10

L070 114 in.-lbs. 0.18 2.17 3.25 6.51 GGF29HZ16 44 in.-lbs. 0.07 0.83 1.25 2.51 GGF29HZ09

L075 227 in.-lbs. 0.36 4.32 6.48 12.97 GGF29HZ17 90 in.-lbs. 0.14 1.67 2.51 5.03 GGF29HZ11

L090/L095 561 in.-lbs. 0.63/0.89 7.63/10.68 11.45/16.02 22.90/32.04 GGF29HZ18 315 in.-lbs. 0.23/0.30 2.74/3.69 4.11/5.54 8.23/11.08 GGF29HZ08

L099/L100 1,134 in.-lbs. 1.36/1.80 16.37/21.59 24.56/32.39 49.12/64.78 GGF29HZ15 415 in.-lbs. 0.49/0.65 5.99/7.9 8.99/11.85 17.99/23.7 GGF29HZ07

L110 788 in.-lbs. 1.25 15 22.5 45.01 GGF29HZ12 2,268 in.-lbs. 3.59 43.18 64.77 129.55 GGF29HZ14

L150 3,708 in.-lbs. 5.88 70.6 105.9 211.8 GGF29HZ13 1,260 in.-lbs. 1.99 23.99 35.98 71.97 GGF29HZ05

L190 4,680 in.-lbs. 7.42 89.1 133.66 267.3 GGF29HZ19 1,702 in.-lbs. 2.70 32.4 48.6 97.22 GGF29HZ06 * Total length of assembled coupling with jaws engaged to full depth (assembled coupling = 2 hubs + 1 spider).

Size

Outside

Dia.

Overall Length*

Item

No. Jaw Coupling Hub

L050

1.08" 1.05" GGF29HY57 1.08" 1.05" GGF29HY74 1.08" 1.05" GGF29HY75 1.08" 1.05" GGF29HY76 1.08" 1.05" GGF29HY94 1.08" 1.05" GGF29HY97

L070

1.36" 1.20" GGF29HY77 1.36" 1.20" GGF29HY78 1.36" 1.20" GGF29HY79 1.36" 1.20" GGF29HY95

L075

1.75" 1.26" GGF29HY82 1.75" 1.26" GGF29HY83 1.75" 1.26" GGF29HY80 1.75" 1.26" GGF29HY81 1.75" 1.26" GGF29HY96

L090

2.10" 1.26" GGF29HY84 2.10" 1.26" GGF29HY85 2.10" 1.26" GGF29HY86 2.10" 1.26" GGF29HY87

L095

2.10" 1.45" GGF29HY88 2.10" 1.45" GGF29HY89 2.10" 1.45" GGF29HY90 2.10" 1.45" GGF29HY59 2.10" 1.45" GGF29HY98 2.10" 1.45" GGF29HY99 2.10" 1.45" GGF29HZ01

Size

Outside

Dia.

Overall Length*

Item

No.

L100

2.53" 2.05" GGF29HY91 2.53" 2.05" GGF29HY92 2.53" 2.05" GGF29HY93 2.53" 2.05" GGF29HZ02 2.53" 2.05" GGF29HZ03 2.53" 2.05" GGF29HZ04

L110

3.31" 2.49" GGF29HY58 3.31" 2.49" GGF29HY67 3.31" 2.49" GGF29HY68 3.31" 2.49" GGF29HY69 3.31" 2.49" GGF29HY70 3.31" 2.49" GGF29HY71 3.31" 2.49" GGF29HY72 3.31" 2.49" GGF29HY73

L150

3.75" 2.69" GGF29HY53 3.75" 2.69" GGF29HY54 3.75" 2.69" GGF29HY55 3.75" 2.69" GGF29HY56 3.75" 2.69" GGF29HY49 3.75" 2.69" GGF29HY50 3.75" 2.69" GGF29HY51 3.75" 2.69" GGF29HY52

L190

4.50" 3.06" GGF29HY60 4.50" 3.06" GGF29HY61 4.50" 3.06" GGF29HY62 4.50" 3.06" GGF29HY63 4.50" 3.06" GGF29HY64 4.50" 3.06" GGF29HY65 4.50" 3.06" GGF29HY66

DAYTON

Flexible Shaft Couplings Permits misalignment up to 1⁄8” parallel and up to 7° angular for direct-drive equipment. Flexible buna-nitrile rubber sleeve with knurled steel hub inserts on each end. Locks to shaft with socket. Set screws provided (1⁄4”-20). Rated capacity 1⁄2 HP at 1,725 RPM.

Bore Dia. (in.)

Outside Dia. (in.)

Overall Length (in.)

Item

No. 1⁄2 1 1⁄8 2 1⁄2 DMD2X497 1⁄2 1 1⁄8 3 DMD2X498 1⁄2 1 1⁄8 3 1⁄2 DMD2X499

DAYTON

DMD2X497