Bronze Bearing Idler Sprockets

Bronze Bearing Idler Sprockets

Idler Sprockets spin freely on built-in bearings to guide and control slack in your chain. Idler sprockets are self-lubricating and quiet. Idler sprockets will extend the lifetime of a roller chain and sprocket.These sprockets are made with a built in ball bearing and are intended to spin freely when mounted. Idlers are for taking up slack and tensioning drives that incorporate long lengths of roller chain. These sprockets come standard with hardened teeth.

Chain Size	21947
Number of Teeth	17
Strands	2
Outside Diameter	4.46
Pitch Diameter	4.082
Bearing Type	Bronze
Bearing Bore (inch)	1
Length Through Bore	1 3/4"
Chain Pitch	3/4"
Mfg. Number (Brewer)	D60B17U
Shaft Length	3 1/8"
Use With Shaft Part Number	SO3-F / NO3-C
Material	Steel
Teeth	Hardened
Weight (lbs)	4.2

35BR15 SPROCKET, BRONZE BEARING IDLER SPROCKET - 1/2" BORE

35BR21 SPROCKET, BRONZE BEARING IDLER SPROCKET - 7/8" BORE