R-90-1 is a right-hand standard ball screw with a 4.000 inch diameter and 1.000 inch lead, designed for linear motion applications. It has a total length of 12.600 inches and a ball nut mounting flange with six 1.031-inch thru holes on an 8.000-inch bolt circle. The ball screw weighs 31.90 lbs per foot and the associated ball nut weighs 41.07 lbs. It has a dynamic load rating of 85,000 lbs for 1,000,000 inches of travel and a maximum static load rating of 476,950 lbs. The ball nut features a 1/8-27 NPT port and uses 186 balls with a nominal diameter of 0.085 inches. The ball screw is paired with a matching ball nut part number R-90-2 and uses a mounting flange part number R-90-3.
| Rockford Ball Screw | |
|---|---|
| Product Category | Ball Screws |
| Product Number | R-90-1 |
| Product Name | Inch Ball Screws |
| Design Features | Right Hand Thread |
| Design | English Design Arrangement |
| Screw O.D. | 4 inch (102 mm) |
