Part Number
Part Number:
NSN:
NIIN:
Item Name:
ROLLER , LINEAR-ROTARY MOTION
Definition:
A CYLINDRICAL BODY HAVING A CENTRALLY LOCATED HOLE TO ACCOMMODATE A PIN OR SHAFT FOR ATTACHMENT TO A PUSH ROD GUIDE, YOKE, ROCKER ARM, TURNTABLE, OR RAIL. THE ITEM PROVIDES A ROLLING CONTACT WITH THE FACE OF A VALVE STEM, OR THE LOBES OF A CAM RING OR CAMSHAFT ON ENGINES, FUEL INJECTION PUMPS, LATCHES, TURNTABLES, PARALLEL BEARING SURFACES REQUIRING A ROLLER SUPPORT, AND THE LIKE. EXCLUDES BEARING, ROLLER, CYLINDRICAL; ROLLER, ELECTRICAL SWITCH; AND FRICTION BEARINGS. SEE ALSO CAM FOLLOWER, NEEDLE BEARING.
CAGE Information
| Code | Company |
|---|---|
| 51228 | ECOLAIRE INC BALDWIN-HAMILTON CO DIV |
Federal Supply Class
Title
BEARINGS, PLAIN, UNMOUNTED
Inclusions:
INCLUDES SLEEVE BEARINGS; SPLIT BEARINGS; WASHER TYPE BEARINGS; JEWEL BEARINGS.
Exclusions:
EXCLUDES ANTIFRICTION BEARINGS (FSC 3110); MOUNTED BEARINGS (FSC 3130).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ASBM | HUB DIAMETER | 1.250 INCHES NOMINAL |
| ASBM | HUB DIAMETER | 1.250 INCHES NOMINAL |
| AQPL | FACE WIDTH | 0.611 INCHES MINIMUM AND 0.616 INCHES MAXIMUM |
| FEAT | SPECIAL FEATURES | 0.125 IN. RADIUS HUB TO FACE |
| BQWC | CHAMFER/RADIUS OF OUTSIDE CORNER | 0.031 IN. |
| MATL | MATERIAL | STEEL |
| ABKV | OUTSIDE DIAMETER | 2.495 INCHES MINIMUM AND 2.505 INCHES MAXIMUM |
| AETC | METALLIC HARDNESS RATING | 58.0 MINIMUM ROCKWELL C AND 60.0 MAXIMUM ROCKWELL C |
| AASG | CASEHARDENING INDICATOR | CASEHARDENED |
| STYL | STYLE DESIGNATOR | PLAIN, PROTRUDING HUBS |
| ADGE | BORE LENGTH | 0.969 INCHES NOMINAL |
| BCXD | BORE INSIDE DIAMETER | 0.9325 INCHES MINIMUM AND 0.9380 INCHES MAXIMUM |
| BQWD | CHAMFER/RADIUS OF INSIDE CORNER | 0.016 IN. BY 45 DEG |