20B-1 Z=21 TL/2517 TL Sprocket

Sprocket for 20B roller chain and in simplex design also for ANSI 100 roller chain with taper bore
- 1 1/4 x 3/4 / DIN 8187
- Pitch 31.75 mm
- Tooth widths 20B-1: 18.5 mm 20B-2: 54.6 mm 20B-3: 91.0 mm
- Material: C45
- Our selection also includes a wide range of taper locks for various shaft bores

Markings:
- TL/ = taper lock size
- de = top diameter (mm)
- dp = pitch diameter (mm)
- dm= boss diameter (mm)
- b = width of a single tooth (mm)
- B = total tooth width (mm)