D12B21 72MM NKW
Description
MARTIN SPROCKET & GR D12B21 72MM NKW
Part # D12B21 72MM NKW
BDI # 23938991
Features
Chain Pitch - Inch:
0.75
Chain Size:
12B-2
Chain Pitch - Millimeter:
19.05
Pitch Diameter - Inch:
5.032
Inch - Metric:
Metric
Material:
Steel
Outside Diameter - Inch:
5.426
Other Features:
Duplex Type
Pitch Diameter - Millimeter:
127.82
Mounting Method:
Finished Bore
Features
Bore Profile:
Finished Bore
Component:
Hub
Inch - Metric:
Metric
Material:
Cast Iron
Outside Diameter - Inch:
6.18
Length Thru Bore - Millimeter:
79.248
Other Features:
Components May or May Not Intermix Among Brands | 3 Jaws
Mounting Method:
Set Screw
Hub Diameter - Millimeter:
127
Coupling Type:
Jaw Coupling