Sprocket 41B18 1" Shaft 1/4" keyway
LiftMaster Trolley Roller Chain Pack #41 for 16ft Door Nickel Plated
LiftMaster Trolley Roller Chain Pack #41 for 14ft Door Nickel Plated
Doorlec Sprocket 41B12 Plain Bore 1"
LiftMaster Trolley Roller Chain Pack #41 for 18ft Door
Sprocket 41B36 x 1-1/4" Bore 1/4" Keyway
Doorlec Sprocket 41B29 5/8" Bore
Manaras #41 chain 48 Pitch (24" long)
LiftMaster Drive Chain #41 10' Box Nickel Plated
Roller Chain #40 Stainless Steel 100ft Pack **DISCONTINUED
LiftMaster Roller Chain #41 Stainless Steel 10ft/pk **DISCONTINUED
Sprocket 32 Teeth 3/4" Bore
LiftMaster Trolley Roller Chain Pack #41 for 18ft Door Nickel Plated
Sprocket 41B10T 3/4" Bore
LiftMaster Chain Tension Kit APT
Doorlec Sprocket 41B12-5/8" Plain Bore
Sprocket 41B36 x 1" Bore 1/4" Keyway
Double Sprocket 41B14 / 41A32 with 3/4" Bushing
Micanan Limit Chain with Link
Double Sprocket 41B14 / 41A32 with 1" Bushing