10B-1 Z=21 Simplex hammasr.

Hub sprocket for 10B roller chain and single row also for ANSI 50 roller chain
- 5/8 x 3/8 / DIN 8187
- Pitch 15.875 mm
- Tooth widths: 10B-1: 9.1 mm, 10B-2: 25.5 mm, 10B-3: 42.1 mm
- The name of the products with a ready-made keyway machined keyway indicates the drilling, e.g. D=30H7+ku
- Also available machined according to the drawing
- Material: C45

Markings:
- de=top diameter (mm)
- dp=pitch diameter (mm)
- dm=hub diameter (mm)
- D=diameter of the pre-drilled or finished shaft bore (mm)
- b=width of the individual tooth (mm)
- B=total tooth width (mm)