| MATERIAL | STEEL INNER RING |
| STEEL LOADING GROOVE SIDE |
| COPPER ALLOY OR |
| ALUMINUM ALLOY RETAINER |
| STEEL ROLLER |
| STYLE DESIGNATOR | DOUBLE ROW, CONCAVE ROLLERS, ROLLER SELF-CONTAINED, OUTER AND INNER RACEWAYS CONVEX, NON-SEPARABLE |
| OVERALL WIDTH | 230.0 MILLIMETERS NOMINAL |
| BORE DIAMETER | 670.0 MILLIMETERS NOMINAL |
| OVERALL OUTSIDE DIAMETER | 980.0 MILLIMETERS NOMINAL |
| STANDARD TOLERANCE DESIGNATION | RBEC NO.1 |
| BORE SHAPE | STRAIGHT |
| SURFACE FINISH | GROUND |
| RETAINER FABRICATION METHOD | MACHINED |
| INTERNAL CLEARANCE | 0.0079 INCHES MINIMUM RADIAL AND |
| 0.0110 INCHES MAXIMUM RADIAL |
| FEATURES PROVIDED | ALIGNING RING |
| SPECIAL FEATURES | TWO 3/4-10X1 1/4 IN. DEEP TAPPED HOLES EQUALLY SPACED ON A 37 1/4 IN. BOLT CIRCLE ON OUTER RING FACE,THREE 1/2-13X1 1/8 IN. DEEP TAPPED HOLES EQUALLY SPACED ON A 36 5/8 IN. BOLT CIRCLE ON SAME OUTER RING FACE |
| 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 |