NSN 3110-00-937-1878
Part Details | AIRFRAME BALL BEARING
3110-00-937-1878 A cylindrical item in which the inner or outer ring turns upon row(s) of hardened BALL, BEARING which roll on a raceway, thus minimizing friction. These items are characterized by their noncorrosive qualities, lightness of weight, inch dimensions rather than metric, inner rings generally projecting beyond the faces of the outer ring, or a very narrow width inner ring having an outside diameter slightly larger than the bore diameter. Designed primarily for use in aircraft assemblies, such as control systems and surfaces of aircraft. Excludes BEARING, BALL, ANNULAR.
Alternate Parts: C525KS4, MSP4E9105, KSP42, KSP-4-2, MSP4E9105, MKSP4E9105, MKSP4E-9105, AAMKSP4E9106A, 3110-00-937-1878, 00-937-1878, 3110009371878, 009371878
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 31 | NOV 18, 1966 | 00-937-1878 | 00041 ( BEARING, BALL, AIRFRAME ) |
REFERENCE DRAWINGS & PICTURES
SINGLE ROW SELF ALIGNING SINGLE ROW INNER RING EXTENDED BOTH SIDES
Cross Reference | NSN 3110-00-937-1878
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| C525KS4 | 81755 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS |
| MSP4E9105 | 3NPS1 | RBC AIRCRAFT PRODUCTS, INC. |
| KSP-4-2 | 38443 | SKF USA INC.DBA SKF AEROENGINE NORTH AMERICA |
| MSP4E9105 | 21335 | TIMKEN COMPANY, THEDIV TIMKEN AEROSPACE |
| MKSP4E-9105 | 21335 | TIMKEN COMPANY, THEDIV TIMKEN AEROSPACE |
| AAMKSP4E9106A | 21335 | TIMKEN COMPANY, THEDIV TIMKEN AEROSPACE |
Technical Data | NSN 3110-00-937-1878
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | SINGLE ROW SELF ALIGNING SINGLE ROW INNER RING EXTENDED BOTH SIDES |
| BORE DIAMETER | 0.2498 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM |
| OVERALL OUTSIDE DIAMETER | 0.9009 INCHES MINIMUM AND 0.9014 INCHES MAXIMUM |
| OUTER RING WIDTH | 0.3350 INCHES NOMINAL |
| INNER RING WIDTH | 0.4790 INCHES MINIMUM AND 0.4840 INCHES MAXIMUM |
| LUBRICATION MATERIAL | GREASE |
| LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| SEAL QUANTITY | 2 |
| BEARING SEAL TYPE | CONTACT |
| ALIGNMENT TYPE | SELF-ALIGNING |
| SELF-ALIGNMENT LOCATION | INTERNAL |
| LOAD DIRECTION | RADIAL |
| SPECIAL FEATURES | 10 DEG SELF ALIGNMENT IN EITHER DIRECTION,40 TO 50 PCT FULL OF SPECIFIED LUBE,RINGS AND BALLS MODIFIED BY ADDITION OF 4 PCT MOLYBDENUM REPLACING PART OF THE CHROMIUM,RINGS AND BALLS HEAT STABILIZED TO 400 DEG F,RADIAL CLEARANCE 0.0001 IN. MIN TO 0.0004 IN. MAX,NO LOAD STARTING TORQUE 272 IN. OZ |
