Reviews Finished Bore Sprockets

Liftmaster Chamberlain Craftsman Garage Door Opener Comp Gear Kit for 41A5021

100% Brand New Authentic Liftmaster Chamberlain Craftsman Part Liftmaster Chamberlain Craftsman Garage Door Opener Comp Gear Kit For 41A5021.
Fits these Liftmaster Models: 985, 1240, 1240R, 1245, 1245R, 1245LK, 1250, 1255, 1255R, 1260, 1260LK, 1265, 215WD, 220WD, 315WD, 320WD, 1345, 2245, 2255, 2265, 2565, 3245, 3255, and 3265..
Do not use for openers with dual sprockets on the output shaft. Do not use for openers with dual sprockets on the output shaft..
Fits these Chamberlain Models: 1100, 1200, 2100, 2200, 4100, 4200, CG40, CG40D, CG42D, PD100, PD200, PD210, PD210D, PD212, PD212D, PD600, PD610, PD610D, PD612KLD, PD612K, 5100, 6200, 7200, 7220, 7320, 7420, 7520D, 4893OD, HD200D..
Also fits openers labeled under various names such as: Sears Craftsman, True Value, Master Mechanic, and some units from Wayne Dalton. Liftmaster also “private labeled” openers for regional suppliers and dealers – usually it is very easy to see that it is a Liftmaster opener with a different name on the cover. Compare your parts to the picture above. The Large Gear is 2 3/4″ x 1/2″ wide, with a 1/2″ bore. The worm gear is 1 1/8″ OD, and the teeth are 1 1/4″ wide (all sizes are approximate)..

VIRTIONZ replacement Gear & Sprocket Kit for LiftMaster Sears Craftsman 41C4220A, 41A2817 Garage Door.
Specs - Large Gear: 2 3/4" x 1/2" with 1/2" bore. Worm Gear: 1 1/8" Outside Diameter with 1 1/4" wide teeth..
Includes - (1) Gear & Sprocket Kit with Worm Gear, Grease, Motor Shaft Bearings, Sprocket Bearings & Hardware.
If your garage door opener is a 1/2 HP or 1/3 HP chain drive model with a production date of 1984 to present, this kit will be compatible.
Do NOT use for garage openers with dual sprockets on the output shaft.

The ROP Shop replacement Gear & Sprocket Kit for LiftMaster 1245LK, 1250, 1255, 1255R, 1260 Garage Doors.
Specs - Large Gear: 2 3/4" x 1/2" with 1/2" bore. Worm Gear: 1 1/8" Outside Diameter with 1 1/4" wide teeth. Refer to images 2 & 3 for more information.
Includes - (1) Gear & Sprocket Kit with Worm Gear, Grease, Motor Shaft Bearings, Sprocket Bearings & Hardware.
Compatible with Residential Chamberlain, Liftmaster, Sears Craftsman, Master Mechanic and Garage Master, 1/2, 1/3, 3/4 HP chain drive models manufactured 1984 to present.
Do NOT use for garage openers with dual sprockets on the output shaft.
Not compatible with Sears openers made before 1984 - body color of powerhead unit: brown, green, or yellow.

[COMPATIBILITY] This Go Kart Sprocket designed with 60 Tooth, works with 40/41/420 Chain for Go Karts and Mini Bikes.Note:This is a 9-3/4" sprocket and please double check what size you need.If this one is too big for you,we also have 8" sprockets B08MX2W7NF..
[PREMIUM QUALITY] Made of high-quality metal, durable to use..
[PERFECTLY FIT] Great replacement for a proper fit and easy installation..
[PRODUCT DIMENSIONS] 9-3/4" diameter, 60 tooth sprocket with a 2-1/8" bore.
8 x 3/8" mounting holes, spaced 1-1/4" apart..
[BUY WITH CONFIDENCE] This 60 Tooth Go Kart Sprocket comes with 6 months warranty. For any reason you're not completely satisfied, you can ask for a replacement or full refund..

Total Length: 22mm/0.87 inch, Outside Diameter : 14mm/0.55 inch.
Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies..
Top tight type rigid coupling with 2/4 screws to hold the shaft tightly.
high torque with rigidity, low inertia and excellent sensitivity..
NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use..
Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling..

Heavy duty reduction box twin-chain design for bigger torque transmission than standard reduction box with single chains..
The reduction box comes with clutch(the bore on the clutch:1/2 inch=12.7mm) and 11/13/14/17/20 teeth total 5 pcs of sprockets.The sprocket fits T8F chain(8 pitch) only..
Reduction Ratio: 3 to 1 chain reducer. Please confirm size of your original part. This is 91mm, not 116mm. We marked the size in the last picture.
Fit for 43/47/49cc 2-stroke Pocket Mini Bike / Scooter / ATV..
180 days warranty and 100% money back guarantee if not satisfied..

Connection Bore Diameter: 6mm to 1/4 inch.
Total Length: 25mm/0.98 inch, Outside Diameter : 18mm/0.7 inch.
Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies..
Top tight type rigid coupling with 2/4 screws to hold the shaft tightly.
high torque with rigidity, low inertia and excellent sensitivity..
NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use..
Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling..

Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies..
Top tight type rigid coupling with 2/4 screws to hold the shaft tightly.
high torque with rigidity, low inertia and excellent sensitivity..
NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use..
Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling..

Connection Bore Diameter: 1/4 inch to 1/4 inch.
Total Length: 25mm /0.98 inch, Outside Diameter : 14mm/ 0.55 inch.
Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies..
Top tight type rigid coupling with 2/4 screws to hold the shaft tightly.
high torque with rigidity, low inertia and excellent sensitivity..
NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use..
Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling..