| MATERIAL | STEEL BALL |
| STEEL INNER RING |
| STEEL OPPOSITE SHIELD SIDE |
| STEEL OUTER RING |
| RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAL |
| STYLE DESIGNATOR | DOUBLE ROW, STAGGERED, BALL |
| SHANK STYLE | EXTERNALLY THREADED |
| ALIGNMENT TYPE | SELF-ALIGNING |
| SURFACE TREATMENT | CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES |
| SELF-ALIGNMENT ANGLE | 10.00 DEGREES NOMINAL |
| OVERALL LENGTH | 2.1930 INCHES MINIMUM AND |
| 2.2130 INCHES MAXIMUM |
| BORE DIAMETER | 0.1895 INCHES MINIMUM AND |
| 0.1900 INCHES MAXIMUM |
| OUTER RING WIDTH | 0.4280 INCHES MINIMUM AND |
| 0.4480 INCHES MAXIMUM |
| INNER RING WIDTH | 0.4950 INCHES MINIMUM AND |
| 0.5000 INCHES MAXIMUM |
| LENGTH FROM BORE CENTER TO SHANK END | 1.8020 INCHES MINIMUM AND |
| 1.8220 INCHES MAXIMUM |
| SHANK DIAMETER | 0.2500 INCHES NOMINAL |
| SHANK THREAD LENGTH | 0.9280 INCHES MINIMUM AND |
| 0.9480 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| SEAL QUANTITY | 2 |
| BEARING SEAL TYPE | CONTACT |
| SELF-ALIGNMENT LOCATION | INTERNAL |
| LUBRICATION MATERIAL | GREASE |
| SPECIAL FEATURES | KEYWAY ON SHANK PARALLEL TO AXIS 1.0000 IN. LG,0.0620 IN. MIN,0.0670 IN. MAX W,0.0490 IN. MIN,0.0540 IN. MAX DEEP |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 96906 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS21151-63 |