| MATERIAL | STEEL COMP E52100 OR |
| STEEL COMP 440C INNER MEMBER |
| STEEL COMP E4340 OR |
| STEEL COMP 4130 OR |
| STEEL COMP 8630 OUTER RACE MEMBER |
| STYLE DESIGNATOR | WITHOUT INSERT OR LINER |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD 1ST MATERIAL RESPONSE OR |
| AMS 5630 ASSN STD 2ND MATERIAL RESPONSE INNER MEMBER |
| 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 |
| HARDNESS RATING | 56.0 ROCKWELL C MINIMUM INNER MEMBER |
| 27.0 ROCKWELL C MINIMUM AND |
| 36.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER |
| SURFACE TREATMENT | CHROMIUM INNER MEMBER |
| CADMIUM OUTER RACE MEMBER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE INNER MEMBER |
| QQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OUTER RACE MEMBER |
| BORE DIAMETER | 0.2495 INCHES MINIMUM AND |
| 0.2500 INCHES MAXIMUM |
| 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 |
| INNER MEMBER WIDTH | 0.3410 INCHES MINIMUM AND |
| 0.3430 INCHES MAXIMUM |
| LUBRICATION MATERIAL | GREASE, MIL-G-21164 |
| LUBRICATION FEATURE | GROOVE EXTERNAL OUTER MEMBER |
| PERFORATION INNER MEMBER |
| GROOVE INTERNAL INNER MEMBER |
| GROOVE INTERNAL OUTER MEMBER |
| PERFORATION OUTER RACE MEMBER |
| STATIC RADIAL LOAD RATING | 7080 POUNDS |
| 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 |