Hi-Q Coupling Half, 0.88 Inch Bore, 3/16 Inch Key

Bore 0.88	Brand Maurey Manufacturing Co	Brand Maurey Manufacturing Co	Pack Size 1.00	UOM EA	Horsepower Rating Buna-N: 13.1, Urethane: 28.8	Key 3/16	Supplier Part Number L110-7/8	Alternate Part Numbers Alternate Part Number C1EP79	Product Weight 3.32 lbs

Product Questions & Answers

got a 7/8 shaft with a 3/16 keyway. is this the right coupling half for it?

Question by: Duane B on Apr 2, 2026, 3:16 PM

It matches a 0.875 inch (7/8) bore and a 3/16 inch key, so it’s intended for that shaft size and key.

Answer by: Customer Support on Apr 4, 2026, 9:26 AM

What size is the bore on this coupling half?

Question by: Billy R on Apr 27, 2025, 7:56 PM

The bore is 0.875 inches, or 7/8 of an inch.

Answer by: Customer Support on Apr 29, 2025, 6:10 AM

Model Number	Bore	Key	Horsepower Rating
FC095-1/2-W-1/8K	0.5	1/8	Buna-N: 3.2, Urethane: 5.0
FC095-3/4	0.75	3/16	Buna-N: 3.2, Urethane: 5.0
FC100-1-1/8	1.125	1/4	Buna-N: 7.2, Urethane: 11.9
FC100-3/4	0.75	3/16	Buna-N: 7.2, Urethane: 11.9
FC095-1-1/8	1.125	1/4	Buna-N: 3.2, Urethane: 5.0
FC100-1-3/8	1.375	5/16	Buna-N: 7.2, Urethane: 11.9
FC100-1/2	0.5	--	Buna-N: 7.2, Urethane: 11.9
FC100-5/8	0.625	3/16	Buna-N: 7.2, Urethane: 11.9
FC100-7/8	0.875	3/16	Buna-N: 7.2, Urethane: 11.9
FC110-1-1/8	1.125	1/4	Buna-N: 13.1, Urethane: 28.8
FC110-3/4	0.75	3/16	Buna-N: 13.1, Urethane: 28.8
FC110-7/8	0.875	3/16	Buna-N: 13.1, Urethane: 28.8
FC095-1	1	1/4	Buna-N: 3.2, Urethane: 5.0
L100-1	1		Buna-N: 7.2, Urethane: 11.9