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

Description & Features

This Hi-Q Coupling Half from Maurey Manufacturing features a 0.88 inch bore and a 3/16 inch key, designed to prevent metal-to-metal contact and compensate for minor angular and center line misalignments.

Common applications include coupling hydraulic pumps to electric motors. The coupling is precision machined and rust resistant for fast installation. It is rated to 13.1 HP with a Buna-N spider and 28.8 HP with a Urethane spider, based on driving hydraulic pumps at 1800 RPM.

SKU: FC110-7/8

Supplier Part Number (MPN): L11078

Alternate Part Numbers: C1EP79

Specifications

Coupling Size L110	For Use With Hi-Q® Flexible Couplings	Horsepower Rating Buna-N: 13.1 hp, Urethane: 28.8 hp	Material Steel	Sg Materials FC050-FC095 - Sintered Metal, FC099-FC225 - Machined Cast Iron	Sg Temperature Range -20 to 180 deg F Buna-N Spider, -80 to 180 deg F Urethane Spider

Product Questions & Answers (2)

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

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

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

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.

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

What size is the bore on this coupling half?

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

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