| FEATURES PROVIDED | ALIGNING RING |
| SPECIAL FEATURES | OIL HOLES AND GROOVE IN OUTER RING |
| NONDEFINITIVE SPEC/STD DATA | 6 CLASS AND |
| 264 TYPE AND |
| 00 GRADE |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81348 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FFB185 |
| MATERIAL | STEEL COMP E52100 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| STYLE DESIGNATOR | DOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE |
| OVERALL WIDTH | 315.0 MILLIMETERS NOMINAL |
| BORE DIAMETER | 630.0 MILLIMETERS NOMINAL |
| OVERALL OUTSIDE DIAMETER | 1030.0 MILLIMETERS NOMINAL |
| STANDARD TOLERANCE DESIGNATION | RBEC NO.1 |
| BORE SHAPE | STRAIGHT |
| SURFACE FINISH | GROUND |
| RETAINER FABRICATION METHOD | MACHINED |
| INTERNAL FIT-UP DESIGNATION | TIGHT |