Description & Specifications
Our 78A7 sprocket is an engineering class sprocket designed to handle demanding industrial applications. Manufactured from durable 1045 steel, this sprocket features hardened teeth for enhanced wear resistance and a black oxide finish for superior corrosion protection. It ensures reliable performance and long service life even in challenging environments. This 7 tooth sprocket is compatible with a wide range of engineering class chains.
Chain Compatibility:
- Welded Steel Chains
- WH78, WR78
- Rooftop Transfer Chains
- H78A, H78B, 81XRT
- Steel Bushed Chains
- S188
- Combination Chains
- C188
- Conveyor Roller Chains
- 81X, 81XH, 81XHH
- Offset Sidebar Chain
- 881, 882, 588

78A7 Sprocket Dimensions
- Bore (B):15/16"
- Tooth Count:7
- Pitch Diameter (PD):6.013"
- Sprocket Thickness (T):0.875"
- Material:1045CD
- Hardened Teeth:Yes (HRC 40-50)
- Type Of Finish:Black Oxide
All dimensions listed are nominal values.

