The S-4 split hub is designed for easy weldment onto a split A-plate sprocket and is precision manufactured from high-strength steel. S-4 hubs have a bore range of 2-3/4" to 4" and are 7-5/8" in diameter. They are pieced together with two high-strength sprocket head-cap bolts. For more information or to get a quote on S-4 split hubs please contact us and we will be happy to assist you.

S-4 Hub Dimensions

• Hub Size: S-4
• Bore Range: 2-3/4" - 4"
• Hub Diameter: 7-5/8"
• Hub Length: 1-1/2"
• Bolt Size: 3/4" X 5-1/2"
• Weight: 14.4 LBS
• Minimum #50 Sprocket Tooth Count: 48
• Minimum #60 Sprocket Tooth Count: 40
• Minimum #80 Sprocket Tooth Count: 30
• Minimum #100 Sprocket Tooth Count: 25
• Minimum #120 Sprocket Tooth Count: 21
• Minimum #140 Sprocket Tooth Count: 19
• Minimum #160 Sprocket Tooth Count: 17
• Minimum #180 Sprocket Tooth Count: 16
• Minimum #200 Sprocket Tooth Count: 15
• Minimum #240 Sprocket Tooth Count: 12

Note:

For B-hub configuration use one split hub with A-plate sprocket.

For C-hub configuration use two split hubs with A-plate sprocket.