Lovejoy Coupler, L075 X 7/16"

Lovejoy Coupler, L075 X 7/16"

The L075.437 Lovejoy Jaw Coupler Hub is a precision-machined L075 series hub designed for reliable torque transmission in compact drive systems. Built from sintered iron and paired with a SOX (NBR) rubber spider, this fail-safe jaw coupling delivers smooth power transfer while reducing vibration and accommodating minor misalignment. With oil-resistant elastomer performance and high-speed capability, it’s a dependable solution for industrial and equipment drive applications.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: L075.437
• Description: L075-HUB-7/16-1/8X1/16KW
• Brand: Lovejoy
• Coupling Type: Jaw
• Coupling Size: L075
• Hub Style: Style 1
• Material: Sintered Iron
• Color: Metallic
• Number of Jaws: 3
• Bore Size: 7/16 in
• Keyway Size (W x D): 1/8 x 1/16 in
• Length Thru Bore: 0.82 in (20.83 mm)
• Hub Length: 1.32 in (33.53 mm)
• Overall Length: 2.130 in (54.10 mm)
• Outside Diameter: 1.75 in (44.45 mm)
• Min. Bore: 0.250 in (6 mm)
• Max. Bore: 0.875 in (22.00 mm)
• Dimension G: 0.5 in (12.7 mm)
• Dimension SL: 0.31 in (7.87 mm)
• Dimension T: 1/4-20
• Cubic Inches: 4.04250 in³
• Weight (Hub): 0.46 lb
• Weight (Complete Coupling – Max Bore): 1.00 lb
• Weight (Complete Coupling – Min Bore): 0.80 lb
• Nominal Torque: 90 in·lb
• Max Speed: 11,000 rpm
• Rated HP @ 100 rpm: 0.14 hp
• Rated HP @ 1,200 rpm: 1.68 hp
• Rated HP @ 1,800 rpm: 2.57 hp
• Rated HP @ 3,600 rpm: 5.04 hp
• Elastomer Type: SOX (Nitrile Butadiene / Buna-N Rubber)
• Elastomer Temp Range: -40°F to 212°F (-40°C to 100°C)

Performance & Design Features

• Fail-safe design — continues to perform if elastomer fails
• No metal-to-metal contact
• Resistant to oil, dirt, sand, moisture, and grease
• Oil-resistant Buna-N spider with resilience similar to natural rubber
• Over 850,000 bore size combinations available across the Lovejoy jaw coupling line

Ideal For

• Electric motor to pump or gearbox connections
• Industrial machinery requiring vibration dampening
• Applications needing compact, high-speed couplings
• Equipment exposed to oil or greasy environments
• Drive systems where smooth torque transfer beats unnecessary shock loading