Roller Chain Sprocket With Hardened Teeth Type B Hub For 35 Chain Single Strand Bored To Size Three Eighth Inch Pitch Twenty One Teeth Bore Diameter Five Eighth Inch Hub Two Inch OD Width 0.168 Inch Built To Last

Type B bored sprocket for 3/8 chain with hardened teeth
✔️ Single sprocket, 21 teeth, bore 5/8 in, outer dia 2 in

This Type B bored-to-size sprocket is designed for use with series 35 chain in straight-line drive setups. It features hardened teeth, a hub extension, a full-depth keyway, and two setscrews to secure the sprocket to the shaft.

Dimensión	Inches	Milímetros
Dientes	21	21
Pitch	3/8	9.525
Diámetro interior	5/8	15.875
Outer diameter	2.0	50.8
Width	0.168	4.27

✅ For 3/8 in pitch series 35 chain drive
✅ Hardened teeth for extended wear life
✅ Hub extension with keyway and two setscrews for secure mounting
✅ Shaft size range 3/8 to 1-1/4 in
✅ High carbon steel construction for durability

💡 What is a bored-to-size Type B sprocket used for in a chain drive system?

Here's a handy, clear overview to help you decide.

- Provides secure shaft mounting with a full-depth keyway and two setscrews
- Suited for straight-line chain drives using 3/8 in pitch on 21-teeth sprockets
- Made from high carbon steel for rugged durability