4" 1-1/2" 8 Threaded 3-Jaw Backplate Assembly instructions included. D is 4". D2 is 10 2.90". Bolt circle is 3.3". Number of bolt holes is 3.
- Must be machined for concentricity
- Model Number: 3900-3212
- Item Package Dimension: 3.0" L x 6.0" W x 3.0" H
- Item Package Weight: 2.6 lb
- Must be machined for concentricity
- Model Number: 3900-3212
- Item Package Dimension: 3.0" L x 6.0" W x 3.0" H
- Item Package Weight: 2.6 lb