| BORE DIAMETER | 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM |
| HARDNESS RATING | 27.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER |
| HARDNESS RATING | 56.0 ROCKWELL C MINIMUM INNER MEMBER |
| INNER MEMBER WIDTH | 0.3410 INCHES MINIMUM AND 0.3430 INCHES MAXIMUM |
| LUBRICATION FEATURE | GROOVE INTERNAL OUTER MEMBER |
| LUBRICATION FEATURE | GROOVE EXTERNAL OUTER MEMBER |
| LUBRICATION FEATURE | GROOVE INTERNAL INNER MEMBER |
| LUBRICATION FEATURE | PERFORATION INNER MEMBER |
| LUBRICATION FEATURE | PERFORATION OUTER RACE MEMBER |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD 1ST MATERIAL RESPONSE OR AMS 5630 ASSN STD 2ND MATERIAL RESPONSE INNER MEMBER |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-21164 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-6758 ASSN STD 2ND MATERIAL RESPONSE OR MIL-S-6050 ASSN STD 3RD MATERIAL RESPONSE OUTER RACE MEMBER |
| MATERIAL | GREASE AND DISULFIDE MOLYBDENUM LUBRICATION |
| MATERIAL | STEEL COMP E4340 OR STEEL COMP 4130 OR STEEL COMP 8630 OUTER RACE MEMBER |
| MATERIAL | STEEL COMP E52100 OR STEEL COMP 440C INNER MEMBER |
| OUTER MEMBER OUTSIDE DIAMETER | 0.6557 INCHES MINIMUM AND 0.6562 INCHES MAXIMUM |
| OUTER MEMBER WIDTH | 0.2450 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM |
| SPECIAL FEATURES | PLATING OF INNER RACE MEMBER TO BE 0.0002 IN. MIN THICK ON SPHERICAL SURFACES,0.0005 IN. THICK ON FACES |
| SPECIFICATION/STANDARD DATA | 96906-MS21155S4 GOVERNMENT STANDARD |
| STATIC RADIAL LOAD RATING | 7080 POUNDS |
| STYLE DESIGNATOR | WITHOUT INSERT OR LINER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE INNER MEMBER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OUTER RACE MEMBER |
| SURFACE TREATMENT | CADMIUM OUTER RACE MEMBER |
| SURFACE TREATMENT | CHROMIUM INNER MEMBER |