NOTE #1. Large bearing pin is provided with an oil passage. 1.00" through 4.00" diameter joints are also fitted with a ball spring oil fitting to retain lubricant.
NOTE #2. Curtis standard single universal joints will operate through angles of 35. For applications requiring greater angles, special design can be employed, enabling the joint to operate at angles up to 45.
| Catalog Number | CJ643BKW1SS |
| Outside Diameter (A) | 0.625+ .000 - .003 |
| Bore Diameter (B) | 0.3125± .001 |
| Total Length (C) | 2.250± .020 |
| Centerline to End (C/2) | 1.125± .010 |
| Hub Length (D) | 0.813± .015 |
| Set Screw Hole Location (D/2) | 0.406± .015 |
| Set Screw Size (E) | 10-32 NFUnified Std Threads Class 3B |
| Keyway Size (F) | 0.094 X 0.047Commercial Tolerance |
| Far Side to Bottom of Keyway (G) | 0.352+ .010 - .000 |
| Shaft to Shaft Distance (H) | 0.625 |
| Static Torque Rating | 900Inch Pounds |
| Compression or Tension Load | 2000Pounds |
| Approximate Weight | 0.14Pounds |
Joint is permanently assembled with small bearing pin riveted in place. | |