NSN 3110-01-257-6976
Part Details | INNER BEARING RING
3110-01-257-6976 The inner component of a ball or roller bearing which provides a contact surface for the rolling elements of an antifriction bearing.
Alternate Parts: SE532, SE-532, SB25171, SB2517-1, 3110-01-257-6976, 01-257-6976, 3110012576976, 012576976
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 31 | JUN 23, 1987 | 01-257-6976 | 00028 ( RING, BEARING, INNER ) |
REFERENCE DRAWINGS & PICTURES
SOLID INNER RACE, JOURNAL AND NEEDLE
Cross Reference | NSN 3110-01-257-6976
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| SE-532 | 92563 | MCGILL MANUFACTURING COMPANY, INC. |
| SB2517-1 | 78286 | SIKORSKY AIRCRAFT CORPORATIONDBA SIKORSKY |
Technical Data | NSN 3110-01-257-6976
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | SOLID INNER RACE, JOURNAL AND NEEDLE |
| OVERALL WIDTH | 3.4980 INCHES MINIMUM AND 3.4985 INCHES MAXIMUM |
| BORE DIAMETER | 1.7490 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM |
| OVERALL OUTSIDE DIAMETER | 2.1245 INCHES MINIMUM AND 2.1250 INCHES MAXIMUM |
| STANDARD TOLERANCE DESIGNATION | AFBMA STD TOLERANCE FOR AIRFRAME NEEDLE BEARINGS |
| BORE SHAPE | STRAIGHT |
| SURFACE FINISH | GROUND |
| FEATURES PROVIDED | LUBRICATION HOLE AND LUBRICATION GROOVE |
| TEST DATA DOCUMENT | 81349-MIL-T-8679 ND 100.0 PCT MGNFUX MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| CRITICALITY CODE JUSTIFICATION | ATEST$$AFTLD |
| FUNCTIONAL DESCRIPTION | CRTL APPL ACFT FLIGHT SAFETY |
| REFERENCE DATA AND LITERATURE | MFR SELECTED ITEM DWG SB2517,DOD-STD-100,PARA 201.4.5 |
| SUPPLEMENTARY FEATURES | HARDNESS RC 60.0 MIN 65.0 MAX; OPERATING TEMP M65.0 P250.0 DEG F |