LiftMaster/Chamberlain Replacement Parts - Black Oxide Steel Sprockets with Keyways for #41 and #50 Roller Chains

LiftMaster's high-durability sprockets, are available in various sizes and configurations to meet your specific needs. These sprockets are designed for compatibility with both #41 and #50 Roller Chains, offering precision engineering and reliable performance in demanding environments. Each sprocket is crafted from high-quality steel and finished with a black oxide coating, ensuring superior durability and resistance to corrosion over time.

LiftMaster sprockets come in different bore sizes and keyway configurations, providing a secure and stable fit that prevents any movement during operation. Whether you need a 1" or 1 1/4" bore size, our sprockets ensure a snug and secure connection, making them ideal for a wide range of applications, including garage door systems, industrial machinery, and more.

PRECISION ENGINEERING: Designed for #41 and #50 Roller Chains, our sprockets ensure smooth and accurate operation in various applications.
DURABLE CONSTRUCTION: Made from high-strength steel with a black oxide finish, offering enhanced durability and corrosion resistance.
SECURE FIT: Available with 1" and 1 1/4" bore sizes and 1/4" or 3/8" keyways, ensuring a stable and secure connection.
VERSATILE CONFIGURATIONS: Choose from multiple teeth counts and pitch diameters to find the ideal sprocket for your system.
LONG-LASTING PERFORMANCE: Built to withstand heavy use in industrial and residential environments, ensuring reliable and consistent performance.

Technical Specifications:

41B48 x 1" Sprocket with 1/4" Keyway:

• Chain Compatibility: #41 Roller Chain
  
• Number of Teeth: 48 Teeth
  
• Pitch: 1/2"
  
• Pitch Type: Single
  
• Pitch Diameter: 7.6449"
  
• Hub Type: B
  
• Hub Diameter: 3-1/4"
  
• Number Of Hubs: 1
  
• Bore Size: 1" (25.4 mm)
  
• Keyway Width: 1/4" (6.35 mm)
  
• Keyway Depth: 1/8" (3.18 mm)
  
• Material: Steel
  
• No. Of Setscrews: 2
  
• Type of Finish: Black Oxide

41B48 x 1 1/4" Sprocket with 1/4" Keyway:

• Chain Compatibility: #41 Roller Chain
  
• Number of Teeth: 48 Teeth
  
• Pitch: 1/2"
  
• Pitch Type: Single
  
• Pitch Diameter: 7.9659"
  
• Hub Type: B
  
• Hub Diameter: 3-1/4"
  
• Number Of Hubs: 1
  
• Bore Size: 1 1/4" (25.4 mm)
  
• Keyway Width: 1/4" (6.35 mm)
  
• Keyway Depth: 1/8" (3.18 mm)
  
• Material: Steel
  
• No. Of Setscrews: 2
  
• Type of Finish: Black Oxide

50B18 x 1" Sprocket with 1/4" Keyway:

• Chain Compatibility: #50 Roller Chain
  
• Number of Teeth: 18 Teeth
  
• Pitch: 5/8"
  
• Pitch Type: Single
  
• Pitch Diameter: 7.9659"
  
• Hub Type: B
  
• Hub Diameter: 3-1/4"
  
• Number Of Hubs: 1
  
• Bore Size: 1" (25.4 mm)
  
• Keyway Width: 1/4" (6.35 mm)
  
• Keyway Depth: 1/8" (3.18 mm)
  
• Material: Steel
  
• No. Of Setscrews: 2
  
• Type of Finish: Black Oxide

50B18 x 1 1/4" Sprocket with 1/4" Keyway:

• Chain Compatibility: #50 Roller Chain
  
• Number of Teeth: 18 Teeth
  
• Pitch: 5/8"
  
• Pitch Type: Single
  
• Pitch Diameter: 7.6449"
  
• Hub Type: B
  
• Hub Diameter: 3-1/4"
  
• Number Of Hubs: 1
  
• Bore Size: 1 1/4" (25.4 mm)
  
• Keyway Width: 1/4" (6.35 mm)
  
• Keyway Depth: 1/8" (3.18 mm)
  
• Material: Steel
  
• No. Of Setscrews: 2
  
• Type of Finish: Black Oxide

50B24 x 1" Sprocket with 1/4" Keyway:

• Chain Compatibility: #50 Roller Chain
  
• Number of Teeth: 24 Teeth
  
• Pitch: 5/8"
  
• Pitch Type: Single
  
• Pitch Diameter: 7.6449"
  
• Hub Type: B
  
• Hub Diameter: 3-1/4"
  
• Number Of Hubs: 1
  
• Bore Size: 1" (25.4 mm)
  
• Keyway Width: 1/4" (6.35 mm)
  
• Keyway Depth: 1/8" (3.18 mm)
  
• Material: Steel
  
• No. Of Setscrews: 2
  
• Type of Finish: Black Oxide

50B24 x 1 1/4" Sprocket with 1/4" Keyway:

• Chain Compatibility: #50 Roller Chain
  
• Number of Teeth: 24 Teeth
  
• Pitch: 5/8"
  
• Pitch Type: Single
  
• Pitch Diameter: 7.6449"
  
• Hub Type: B
  
• Hub Diameter: 3-1/4"
  
• Number Of Hubs: 1
  
• Bore Size: 1 1/4" (25.4 mm)
  
• Keyway Width: 1/4" (6.35 mm)
  
• Keyway Depth: 1/8" (3.18 mm)
  
• Material: Steel
  
• No. Of Setscrews: 2
  
• Type of Finish: Black Oxide

50B40 x 1" Sprocket with 1/4" Keyway:

• Chain Compatibility: #50 Roller Chain
  
• Number of Teeth: 40 Teeth
  
• Pitch: 5/8"
  
• Pitch Type: Single
  
• Pitch Diameter: 7.6449"
  
• Hub Type: B
  
• Hub Diameter: 3-1/4"
  
• Number Of Hubs: 1
  
• Bore Size: 1" (25.4 mm)
  
• Keyway Width: 1/4" (6.35 mm)
  
• Keyway Depth: 1/8" (3.18 mm)
  
• Material: Steel
  
• No. Of Setscrews: 2
  
• Type of Finish: Black Oxide

50B40 x 1 1/4" Sprocket with 1/4" Keyway:

• Chain Compatibility: #50 Roller Chain
  
• Number of Teeth: 40 Teeth
  
• Pitch: 5/8"
  
• Pitch Type: Single
  
• Pitch Diameter: 7.6449"
  
• Hub Type: B
  
• Hub Diameter: 3-1/4"
  
• Number Of Hubs: 1
  
• Bore Size: 1 1/4" (25.4 mm)
  
• Keyway Width: 1/4" (6.35 mm)
  
• Keyway Depth: 1/8" (3.18 mm)
  
• Material: Steel
  
• No. Of Setscrews: 2
  
• Type of Finish: Black Oxide

50B40 x 1 1/4" Sprocket with 3/8" Keyway:

• Chain Compatibility: #50 Roller Chain
  
• Number of Teeth: 40 Teeth
  
• Pitch Type: Single
  
• Pitch Diameter: 7.6449"
  
• Pitch: 5/8"
  
• Hub Type: B
  
• Hub Diameter: 3-1/4"
  
• Number Of Hubs: 1
  
• Bore Size: 1 1/4" (25.4 mm)
  
• Keyway Width: 3/8" (9.53 mm)
  
• Keyway Depth: 3/16" (4.76 mm)
  
• Material: Steel
  
• No. Of Setscrews: 2
  
• Type of Finish: Black Oxide

Upgrade your equipment with LiftMaster's precision-engineered sprockets, available in various sizes and configurations to fit your specific needs.