Grid Coupling Hubs - Inch Bore / Keyway, Horizontal & Vertical Cover Style On The Timken Company

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The Lovejoy Grid coupling is an ideal coupling for applications where excellent performance is desired and additional requirements for vibration dampening may exist. The Horizontal Split Cover design is recommended in applications where there may be some constraints on the diameter of the coupling. The vertical design is recommended for applications where higher speed is one of the requirements. Features

Designed for ease of maintenance and grid spring replacement
High tensile grid springs ensure superior coupling performance and longer coupling life
Split covers allow for easy access to grid springs
Interchangeable with industry standard grid couplings

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Keyway Size (in)

Lovejoy® Grid Coupling Size

Part Number	Item Name	Description	Bore Size	Set Screw Style Coupling Size (Dimension T)	Keyway Size (W x D)	Length thru Bore	Lovejoy® Grid Coupling Size	CAD

69790405511	N/A Grid Coupling Hub w/ Keyway	N/A 1090-HUB-2-3/4-5/8X5/16KW	N/A 2 3/4 in	N/A 5/16-18	N/A 5/8 x 5/16 in	N/A 3.880 in98.55 mm	N/A 1090	N/A
69790405512	N/A Grid Coupling Hub w/ Keyway	N/A 1090-HUB-2-7/8-3/4X3/8KW	N/A 2 7/8 in	N/A 5/16-18	N/A 3/4 x 3/8 in	N/A 3.880 in98.55 mm	N/A 1090	N/A
69790404386	N/A Grid Coupling Hub w/ Keyway	N/A 1090-HUB-2-15/16-3/4X3/8KW	N/A 2 15/16 in	N/A 5/16-18	N/A 3/4 x 3/8 in	N/A 3.880 in98.55 mm	N/A 1090	N/A
69790405513	N/A Grid Coupling Hub w/ Keyway	N/A 1090-HUB-3"-3/4X3/8KW	N/A 3 in	N/A 5/16-18	N/A 3/4 x 3/8 in	N/A 3.880 in98.55 mm	N/A 1090	N/A
69790405514	N/A Grid Coupling Hub w/ Keyway	N/A 1090-HUB-3-1/8-3/4X3/8KW	N/A 3 1/8 in	N/A 5/16-18	N/A 3/4 x 3/8 in	N/A 3.880 in98.55 mm	N/A 1090	N/A
69790405515	N/A Grid Coupling Hub w/ Keyway	N/A 1090-HUB-3-1/4-3/4X3/8KW	N/A 3 1/4 in	N/A 5/16-18	N/A 3/4 x 3/8 in	N/A 3.880 in98.55 mm	N/A 1090	N/A
69790405516	N/A Grid Coupling Hub w/ Keyway	N/A 1090-HUB-3-3/8-7/8X7/16KW	N/A 3 3/8 in	N/A 5/16-18	N/A 7/8 x 7/16 in	N/A 3.880 in98.55 mm	N/A 1090	N/A
69790406158	N/A Grid Coupling Hub w/ Keyway	N/A 1090-HUB-3-7/16-7/8X7/16KW	N/A 3 7/16 in	N/A 5/16-18	N/A 7/8 x 7/16 in	N/A 3.880 in98.55 mm	N/A 1090	N/A
69790405517	N/A Grid Coupling Hub w/ Keyway	N/A 1090-HUB-3-1/2-7/8X7/16KW	N/A 3 1/2 in	N/A 5/16-18	N/A 7/8 x 7/16 in	N/A 3.880 in98.55 mm	N/A 1090	N/A
69790405519	N/A Grid Coupling Hub w/ Keyway & Puller Hole	N/A 1100-HUB-2.4980/2.4990-5/8X5/16KW	N/A 2 1/2 in	N/A No Setscrew	N/A 5/8 x 5/16 in	N/A 4.750 in120.65 mm	N/A 1100	N/A
69790405520	N/A Grid Coupling Hub w/ Keyway & Puller Hole	N/A 1100-HUB-2.6230/2.6240-5/8X5/16KW	N/A 2 5/8 in	N/A No Setscrew	N/A 5/8 x 5/16 in	N/A 4.750 in120.65 mm	N/A 1100	N/A
69790405521	N/A Grid Coupling Hub w/ Keyway & Puller Hole	N/A 1100-HUB-2.7480/2.7490-5/8X5/16KW	N/A 2 3/4 in	N/A No Setscrew	N/A 5/8 x 5/16 in	N/A 4.750 in120.65 mm	N/A 1100	N/A
69790405522	N/A Grid Coupling Hub w/ Keyway & Puller Hole	N/A 1100-HUB-2.8730/2.8740-3/4X3/8KW	N/A 2 7/8 in	N/A No Setscrew	N/A 3/4 x 3/8 in	N/A 4.750 in120.65 mm	N/A 1100	N/A
69790405523	N/A Grid Coupling Hub w/ Keyway & Puller Hole	N/A 1100-HUB-2.9980/2.9990-3/4X3/8KW	N/A 3 in	N/A No Setscrew	N/A 3/4 x 3/8 in	N/A 4.750 in120.65 mm	N/A 1100	N/A
69790405524	N/A Grid Coupling Hub w/ Keyway & Puller Hole	N/A 1100-HUB-3.1220/3.1235-3/4X3/8KW	N/A 3 1/8 in	N/A No Setscrew	N/A 3/4 x 3/8 in	N/A 4.750 in120.65 mm	N/A 1100	N/A
69790405525	N/A Grid Coupling Hub w/ Keyway & Puller Hole	N/A 1100-HUB-3.2470/3.2485-3/4X3/8KW	N/A 3 1/4 in	N/A No Setscrew	N/A 3/4 x 3/8 in	N/A 4.750 in120.65 mm	N/A 1100	N/A
69790405526	N/A Grid Coupling Hub w/ Keyway & Puller Hole	N/A 1100-HUB-3.3720/3.3735-7/8X7/16KW	N/A 3 3/8 in	N/A No Setscrew	N/A 7/8 x 7/16 in	N/A 4.750 in120.65 mm	N/A 1100	N/A
69790405527	N/A Grid Coupling Hub w/ Keyway & Puller Hole	N/A 1100-HUB-3.4970/3.4985-7/8X7/16KW	N/A 3 1/2 in	N/A No Setscrew	N/A 7/8 x 7/16 in	N/A 4.750 in120.65 mm	N/A 1100	N/A
69790405528	N/A Grid Coupling Hub w/ Keyway & Puller Hole	N/A 1100-HUB-3.6220/3.6235-7/8X7/16KW	N/A 3 5/8 in	N/A No Setscrew	N/A 7/8 x 7/16 in	N/A 4.750 in120.65 mm	N/A 1100	N/A
69790405529	N/A Grid Coupling Hub w/ Keyway & Puller Hole	N/A 1100-HUB-3.7470/3.7485-7/8X7/16KW	N/A 3 3/4 in	N/A No Setscrew	N/A 7/8 x 7/16 in	N/A 4.750 in120.65 mm	N/A 1100	N/A
69790405530	N/A Grid Coupling Hub w/ Keyway & Puller Hole	N/A 1100-HUB-3.8720/3.8735-1"X1/2KW	N/A 3 7/8 in	N/A No Setscrew	N/A 1 x 1/2 in	N/A 4.750 in120.65 mm	N/A 1100	N/A
69790405531	N/A Grid Coupling Hub w/ Keyway & Puller Hole	N/A 1100-HUB-3.9970/3.9985-1"X1/2KW	N/A 4 in	N/A No Setscrew	N/A 1 x 1/2 in	N/A 4.750 in120.65 mm	N/A 1100	N/A
69790405532	N/A Grid Coupling Hub w/ Keyway & Puller Hole	N/A 1110-HUB-2.9980/2.9990-3/4X3/8KW	N/A 3 in	N/A No Setscrew	N/A 3/4 x 3/8 in	N/A 5.00 in127.00 mm	N/A 1110	N/A
69790405533	N/A Grid Coupling Hub w/ Keyway & Puller Hole	N/A 1110-HUB-3.1220/3.1235-3/4X3/8KW	N/A 3 1/8 in	N/A No Setscrew	N/A 3/4 x 3/8 in	N/A 5.00 in127.00 mm	N/A 1110	N/A
69790405534	N/A Grid Coupling Hub w/ Keyway & Puller Hole	N/A 1110-HUB-3.2470/3.2485-3/4X3/8KW	N/A 3 1/4 in	N/A No Setscrew	N/A 3/4 x 3/8 in	N/A 5.00 in127.00 mm	N/A 1110	N/A

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