Part Details | TAPERED ROLLER BEARING
3110-00-253-7881 A cylindrical device in which the inner cone or outer cup turns upon a single or double row of tapered hardened rollers which roll easily in a race, thus minimizing friction and designed to carry a radial load and capable of sustaining axial thrust. Excludes BEARING, ROLLER, THRUST.
Alternate Parts: FFB187, NA558SW552D, 3110-00-253-7881, 00-253-7881, 3110002537881, 002537881
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 31 | JUL 23, 1969 | 00-253-7881 | 00021 ( BEARING, ROLLER, TAPERED ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT BORE, DOUBLE CUP, SINGLE CONES, NON-ADJUSTABLE
Cross Reference | NSN 3110-00-253-7881
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| FFB187 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| NA558SW552D | 60038 | TIMKEN CORPORATION, THEDIV TIMKEN COMPANY |
Technical Data | NSN 3110-00-253-7881
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | STRAIGHT BORE, DOUBLE CUP, SINGLE CONES, NON-ADJUSTABLE |
| OVERALL WIDTH | 3.1250 INCHES MINIMUM AND 3.1350 INCHES MAXIMUM |
| BORE DIAMETER | 2.3750 INCHES MINIMUM AND 2.3755 INCHES MAXIMUM |
| OVERALL OUTSIDE DIAMETER | 4.8750 INCHES MINIMUM AND 4.8760 INCHES MAXIMUM |
| BACKFACE CORNER RADIUS | 0.0600 INCHES NOMINAL |
| STANDOUT WIDTH | 0.3125 INCHES NOMINAL |
| CONE CORNER RADIUS | 0.1400 INCHES NOMINAL |
| CUP WIDTH | 2.5000 INCHES NOMINAL |
| STANDARD TOLERANCE DESIGNATION | AFBMA CLASS 2 |
| RETAINER FABRICATION METHOD | PRESSED |
| SPECIAL FEATURES | OIL HOLES AND GROOVE IN CUP,4 OIL SLOTS IN EACH CONE,0.0090 IN. MAX BENCH LATERAL ZZZTJTY764 |
| NONDEFINITIVE SPEC/STD DATA | 764 TYPE |