Material: Steel C45, not hardened. Pre-bored. Sprockets with 45 teeth and above are made of grey cast iron GG25.

General dimensions: B1 = 10,8 mm, B3 = 49,8 mm, c = 2,0 mm, r3 = 19 mm.
Other dimensions: See the table.

services: online CAD catalog

The supplied 3D models, pictures and technical drawings are made with reasonable care. Nevertheless liability is excluded for the accuracy and correctness of this data.

see also:

Connecting Link with Spring Clip No. 11/E

Tripple-Strand Roller Chains

Cranked Link No. 12/L

Triple-Plate Wheels DRL without Hub, Pitch 3/4 x 7/16", ISO 12 B-3

found in parts groups: