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 |
|---|---|
| 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DI |
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 |
|---|---|---|
| BQWC | CHAMFER/RADIUS OF OUTSIDE CORNER | 0.150 IN. RADIUS |
| SURF | SURFACE TREATMENT | PASSIVATED, QQ-P-35 |
| ABKV | OUTSIDE DIAMETER | 3.730 INCHES MINIMUM AND 3.770 INCHES MAXIMUM |
| AETC | METALLIC HARDNESS RATING | 32.0 MINIMUM ROCKWELL C AND 38.0 MAXIMUM ROCKWELL C |
| MATL | MATERIAL | STEEL, AMS 5643 |
| BCXD | BORE INSIDE DIAMETER | 1.2505 INCHES MINIMUM AND 1.2516 INCHES MAXIMUM |
| AQPL | FACE WIDTH | 0.940 INCHES NOMINAL |
| ASBM | HUB DIAMETER | 1.730 INCHES MINIMUM AND 1.770 INCHES MAXIMUM |
| STYL | STYLE DESIGNATOR | PLAIN, PROTRUDING HUBS |
| ADGE | BORE LENGTH | 1.000 INCHES NOMINAL |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |