Note: Gear coupling grease is essential for satisfactory operation for all flexible gear hubs & sleeves. The amount of lubrication you need for your coupling can be found in the installation instructions under "lube capacity" for your given coupling.

Lovejoy Gear Coupling Grease is specifically designed for gear coupling applications to increase coupling life while drastically reducing maintenance time. Its high viscosity base oil and tackifier combine to keep the grease in place and prevent separation and it is in complete compliance with NSI/AGMA 9001-B97 lubrication recommendations.

Lovejoy Coupling Grease is dark brown in color and manufactured with a lithium soap/polymer thickener, which has superior resistance to oil separation when subjected to high centrifugal forces normally found in couplings. Bearing or general purpose greases tend to separate and lose effectiveness due to high centrifugal forces on the various ingredients at high rotational speeds. These high centrifugal forces encountered in couplings separate the base oil from the thickeners. Heavy thickeners, which have no lubrication qualities, accumulate in the gear tooth mesh area resulting in premature coupling failure. Lovejoy Gear Coupling Grease is designed to highly resistant to centrifugal separation of the oil and thickener, which allows the lubricant to be used for a relatively long period of time.

One of the secrets to the success of Lovejoy Gear Coupling Grease is the variable consistency throughout the working cycle of the application. The consistency of our gear coupling grease changes with the operating conditions. Working of the lubricant under actual service conditions causes the grease to become semi-fluid, functionally solash lubricating the wear surfaces of the coupling. As the grease cools, it returns to the original consistency, thereby preventing leakage.

Lovejoy Gear Coupling Grease is available from stock in 14 oz. cartridges, 1 lb. and 5 lb. cans.

For use with all Standard Lovejoy flanged gear coupling types (F, FFR, FRR, FA, FL, etc).

The Flanged Coupling Accessory Kits include a gasket and the required bolts to connect the two flanges of a flanged gear coupling together. For flex hubs, the flanges will be on the sleeve. For rigid hubs, the flange will be on the rigid hub.

Note 1: The standard exposed bolt ("E") kits are designed to connect two flanges that are also designated as exposed bolt("E") style. Shrouded bolt ("S") kits are designed to connect two shrouded bolt ("S") flanges. Please ensure the coupling flanges and accessory kit are of the same style (either "E" or "S").

Note 2: Accessory Kits DO NOT include gear coupling grease. Gear coupling grease is essential for satisfactory gear coupling operation, and must be purchased separately.

For use with all Standard Lovejoy flanged coupling types (F, FFR, FRR, FA, FL, etc).

Gaskets are included in the Flanged Coupling Accessory Kits, and generally not ordered stand alone unless as a replacement part.

Note: The standard exposed bolt ("E") gaskets are designed to connect two flanges that are also designated as exposed bolt("E") style. Shrouded bolt ("S") gaskets are designed to connect two shrouded bolt ("S") flanges. Please ensure the coupling flanges and gasket are of the same style (either "E" or "S").

For use with F (Flex-Flex) or FFR (Flex-Rigid) couplings.

The F Type coupling consists of two flex hubs, two sleeves and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The F Type has a max angular misalignment of 3.0 degrees (1.5 degrees per gear mesh).

The FFR Type coupling consists of one flex hub, one rigid hub, one sleeve, and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The FFR Type has a max angular misalignment of 1.5 degrees (1.5 degrees per gear mesh).

For larger torques, consider the FHD Type gear coupling in sizes 10 through 30.

For use with F (Flex-Flex) or FFR (Flex-Rigid) couplings.

The F Type coupling consists of two flex hubs, two sleeves and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The F Type has a max angular misalignment of 3.0 degrees (1.5 degrees per gear mesh).

The FFR Type coupling consists of one flex hub, one rigid hub, one sleeve, and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The FFR Type has a max angular misalignment of 1.5 degrees (1.5 degrees per gear mesh).

For larger torques, consider the FHD Type gear coupling in sizes 10 through 30.

For use with F (Flex-Flex) or FFR (Flex-Rigid) couplings.

The F Type coupling consists of two flex hubs, two sleeves and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The F Type has a max angular misalignment of 3.0 degrees (1.5 degrees per gear mesh).

The FFR Type coupling consists of one flex hub, one rigid hub, one sleeve, and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The FFR Type has a max angular misalignment of 1.5 degrees (1.5 degrees per gear mesh).

For larger torques, consider the FHD Type gear coupling in sizes 10 through 30.

The F Type coupling consists of two flex hubs, two sleeves and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The F Type has a max angular misalignment of 3.0 degrees (1.5 degrees per gear mesh).

For use with F (Flex-Flex) or FFR (Flex-Rigid) couplings.

The F Type coupling consists of two flex hubs, two sleeves and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The F Type has a max angular misalignment of 3.0 degrees (1.5 degrees per gear mesh).

The FFR Type coupling consists of one flex hub, one rigid hub, one sleeve, and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The FFR Type has a max angular misalignment of 1.5 degrees (1.5 degrees per gear mesh).

For larger torques, consider the FHD Type gear coupling in sizes 10 through 30.

For use with F (Flex-Flex) or FFR (Flex-Rigid) couplings.

The F Type coupling consists of two flex hubs, two sleeves (with O-Rings) and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The F Type has a max angular misalignment of 3.0 degrees (1.5 degrees per gear mesh).

The FFR Type coupling consists of one flex hub, one rigid hub, one sleeve (with O-Ring), and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The FFR Type has a max angular misalignment of 1.5 degrees (1.5 degrees per gear mesh).

For larger torques, consider the FHD Type gear coupling in sizes 10 through 30.

Note: F Type Flex Sleeves generally come with the required O-Ring. Other than for replacement purposes, F Type O-Rings are generally not ordered as a stand alone product. The F Type O-Ring works for both Exposed and Shrouded Bolt styles. F Type O-Rings do not work for FA (Alloy Steel) Type couplings.

For use with FFR (Flex-Rigid) or FRR (Rigid-Rigid) couplings.

The FFR Type coupling consists of one flex hub, one rigid hub, one sleeve, and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The FFR Type has a max angular misalignment of 1.5 degrees (1.5 degrees per gear mesh).

The FRR Type coupling consists of two rigid hubs and one accessory kit. Exposed bolts (E) are also the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The FRR Type coupling does not accommodate for any angular misalignment.

For larger torques, consider the FHD Type gear coupling in sizes 10 through 30.

For use with FFR (Flex-Rigid) or FRR (Rigid-Rigid) couplings.

The FFR Type coupling consists of one flex hub, one rigid hub, one sleeve, and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The FFR Type has a max angular misalignment of 1.5 degrees (1.5 degrees per gear mesh).

The FRR Type coupling consists of two rigid hubs and one accessory kit. Exposed bolts (E) are also the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The FRR Type coupling does not accommodate for any angular misalignment.

For larger torques, consider the FHD Type gear coupling in sizes 10 through 30.

For use with FFR (Flex-Rigid) or FRR (Rigid-Rigid) couplings.

The FFR Type coupling consists of one flex hub, one rigid hub, one sleeve, and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The FFR Type has a max angular misalignment of 1.5 degrees (1.5 degrees per gear mesh).

The FRR Type coupling consists of two rigid hubs and one accessory kit. Exposed bolts (E) are also the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The FRR Type coupling does not accommodate for any angular misalignment.

For larger torques, consider the FHD Type gear coupling in sizes 10 through 30.

The FMM Type coupling consists of one universal  hub (FMM Mill Type), one standard F Type flex hub, two standard F Type flex sleeves, and one accessory kit. This coupling is supplied with exposed bolts as standard, with shrouded bolts are available upon request through size 5.5.

The FMM Type Mill Universal hub accommodates AISE Mill Motor frame sizes (with the two sleeves and second hub being standard F Type).

The FMM Type coupling consists of one universal hub (FMM Mill Type), one standard F Type flex hub, two standard F Type flex sleeves, and one accessory kit. This coupling is supplied with exposed bolts as standard, with shrouded bolts are available upon request through size 5.5.

The FMM Type Mill Universal hub accommodates AISE Mill Motor frame sizes (with the two sleeves and second hub being standard F Type).

The FMM Type coupling consists of one universal  hub (FMM Mill Type), one standard F Type flex hub, two standard F Type flex sleeves, and one accessory kit. This coupling is supplied with exposed bolts as standard, with shrouded bolts are available upon request through size 5.5.

The FMM Type Mill Universal hub accommodates AISE Mill Motor frame sizes (with the two sleeves and second hub being standard F Type).

This drop-out spacer design allows for ease of maintenance without disturbing the equipment mountings. It has a lightweight construction to reduce the load on equipment bearings.

The FSPCR Type coupling consists of two standard F Type flex hubs, two standard F Type sleeves, one FSPCR Type spacer and two accessory kits. This coupling is available in either exposed bolts or shrouded bolt design.

Note: BSE = Distance "Between Shaft Ends"

For use with FA (Alloy Steel) Flex-Flex couplings.

The FA Type coupling provides a higher nominal torque value than standard F Type couplings, and consists of two FA Type flex hubs, two FA Type sleeves (with seals) and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The FA Type has a max angular misalignment of 3.0 degrees (1.5 degrees per gear mesh).

For use with FA (Alloy Steel) Flex-Flex couplings.

The FA Type coupling provides a higher nominal torque value than standard F Type couplings, and consists of two FA Type flex hubs, two FA Type sleeves (with seals) and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The FA Type has a max angular misalignment of 3.0 degrees (1.5 degrees per gear mesh).

For use with FA (Alloy Steel) Flex-Flex couplings.

The FA Type coupling provides a higher nominal torque value than standard F Type couplings, and consists of two FA Type flex hubs, two FA Type sleeves (with seals) and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The FA Type has a max angular misalignment of 3.0 degrees (1.5 degrees per gear mesh).

For use with FA (Alloy Steel) Flex-Flex couplings.

The FA Type coupling provides a higher nominal torque value than standard F Type couplings, and consists of two FA flex hubs, two FA sleeves and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The FA Type has a max angular misalignment of 3.0 degrees (1.5 degrees per gear mesh).

Note: The FA Type seal is generally included when ordering the FA Type sleeve, and not ordered as a stand alone product.

The FAMM Type coupling consists of one universal  hub (FAMM Mill Type), one standard FA Type flex hub, two standard FA Type flex sleeves, and one accessory kit. This coupling is supplied with exposed bolts as standard, with shrouded bolts are available upon request through size 5.5.

The FAMM Type Mill Universal hub accommodates AISE Mill Motor frame sizes (with the two sleeves and second hub being standard FA Type).

For use with FLA (Flex-Flex All-Metal Labyrinth Seal) and FLAFR (Flex-Rigid All-Metal Labyrinth Seal) couplings.

The FLA Type coupling consists of two special FLA Type flex hubs, two FLA sleeves and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The FLA Type has a max angular misalignment of 3.0 degrees (1.5 degrees per gear mesh).

The FLAFR Type coupling consists of one special FLA flex hub, one FA rigid hub, one FLA flex sleeve, and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The FLAFR Type has a max angular misalignment of 1.5 degrees (1.5 degrees per gear mesh).

For use with FLA (Flex-Flex All-Metal Labyrinth Seal) and FLAFR (Flex-Rigid All-Metal Labyrinth Seal) couplings.

The FLA Type coupling consists of two special FLA Type flex hubs, two FLA sleeves and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The FLA Type has a max angular misalignment of 3.0 degrees (1.5 degrees per gear mesh).

The FLAFR Type coupling consists of one special FLA flex hub, one FA rigid hub, one FLA flex sleeve, and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The FLAFR Type has a max angular misalignment of 1.5 degrees (1.5 degrees per gear mesh).

For use with FLA (Flex-Flex All-Metal Labyrinth Seal) and FLAFR (Flex-Rigid All-Metal Labyrinth Seal) couplings.

The FLA Type coupling consists of two special FLA Type flex hubs, two FLA sleeves and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The FLA Type has a max angular misalignment of 3.0 degrees (1.5 degrees per gear mesh).

The FLAFR Type coupling consists of one special FLA flex hub, one FA rigid hub, one FLA flex sleeve, and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The FLAFR Type has a max angular misalignment of 1.5 degrees (1.5 degrees per gear mesh).

The FLAMM Type coupling consists of one FLAMM Mill Type hub, one standard FLA Type flex hub, two standard FLA Type flex sleeves, and one accessory kit. This coupling is supplied with exposed bolts as standard, with shrouded bolts are available upon request through size 5.5.

The FLAMM Type Mill hub accommodates AISE Mill Motor frame sizes (with the two sleeves and second hub being standard FLA Type).

The FLAMM Type coupling consists of one FLAMM Mill Type hub, one standard FLA Type flex hub, two standard FLA Type flex sleeves, and one accessory kit. This coupling is supplied with exposed bolts as standard, with shrouded bolts are available upon request through size 5.5.

The FLAMM Type Mill hub accommodates AISE Mill Motor frame sizes (with the two sleeves and second hub being standard FLA Type).

These are re-order parts (shear pins) for a pre-existing special shear pin gear coupling.

Designed to limit and protect equipment against excessive torque or sudden shock loads.

Should you have a new gear coupling application that requires shear pins, please contact Lovejoy's application engineering department.

Sier-Bath Heavy Duty Flanged Sleeve Gear Couplings

The FHD Type coupling consists of two flex hubs, two sleeves with bolt-on seal carriers and one accessory kit. This coupling is supplied with exposed bolts (E) only. The FHD type coupling has heat treated bolts for greater strength.

Designed for high torque, low-speed applications that occur in mill operations.