| B1 Max Shaft Penetration, B2 Max Shaft Penetration | 1.812 in |
| Bore (B1), Small Bore (B2) | 1.3750 in |
| Bore Tolerance | +0.0020 in / +0.0005 in |
| Clearance Diameter (C) MAX | 2.772 in |
| Country of Origin | USA |
| Finish Specification | Bright, No Plating |
| Forged Clamp Screw | 5/16-24 |
| Full Bearing Support Required? | No |
| Hex Wrench Size | 1/4 in |
| Keyway (K1), Keyway (K2) | 5/16 in |
| Length (L) | 3 5/8 in |
| Manufacturer | Ruland Manufacturing |
| Material Specification | Type 303 Austenitic, Non-Magnetic Bar |
| Maximum Speed | 4,000 RPM |
| Moment of Inertia | 3.4538 lb-in |
| Note 1 | Performance ratings are for guidance only. The user must determine suitability for a particular application. |
| Number of Screws | 4 ea |
| Nypatch? Anti-Vibration Hardware?, Precision Honed Bores?, Zero-Backlash? | Yes |
| Outer Diameter (OD) | 2 1/2 in |
| Rated Torque | 2900 in-lb |
| Recommended Shaft Tolerance | +0.0000 in / -0.0005 in |
| Screw Finish | Bright |
| Screw Location (R) | 0.986 in |
| Screw Material | 18-8 300 Series Stainless Steel with |
| Seating Torque | 190 lb-in |
| Tariff Code | 8483.60.8000 |
| Temperature | -40?F to 350?F (-40?C to 176?C) |
| UNSPC | 31163009 |
| UPC | 634529001790 |
| Weight (lbs) | 3.334100 |