NSN 3110-00-624-3621
Part Details | DUPLEX BALL BEARING
3110-00-624-3621 Two single row annular ball bearings selected dimensionally to be a matched pair or set. The ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. May include a single row angular contact bearing with faces specially ground for duplex mounting.
Alternate Parts: SB11131, SB1113-1, 108KSZD400, 9108PDBE7160, 3110-00-624-3621, 00-624-3621, 3110006243621, 006243621
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
31 | JAN 01, 1963 | 00-624-3621 | 30213 ( BEARING, BALL, DUPLEX ) |
REFERENCE DRAWINGS & PICTURES
COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING

Cross Reference | NSN 3110-00-624-3621
Part Number | Cage Code | Manufacturer |
---|---|---|
SB1113-1 | 78286 | SIKORSKY AIRCRAFT CORPORATIONDBA SIKORSKY |
108KSZD400 | 38443 | SKF USA INC.DBA SKF AEROENGINE NORTH AMERICA |
9108PDBE7160 | 21335 | TIMKEN COMPANY, THEDIV TIMKEN AEROSPACE |
Technical Data | NSN 3110-00-624-3621
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING |
OVERALL WIDTH | 30.0 MILLIMETERS NOMINAL |
BORE DIAMETER | 40.0 MILLIMETERS NOMINAL |
OVERALL OUTSIDE DIAMETER | 68.0 MILLIMETERS NOMINAL |
LUBRICATION MATERIAL | GREASE |
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-25537 MIL SPEC SINGLE MATERIAL RESPONSE |
STANDARD TOLERANCE DESIGNATION | ABEC NO.1 |
SURFACE FINISH | GROUND |
RETAINER FABRICATION METHOD | PRESSED |
SEAL QUANTITY | 2 |
BEARING SEAL TYPE | CONTACT |
LOAD DIRECTION | ANGULAR |
INTERNAL FIT-UP DESIGNATION | STANDARD |
SPECIAL FEATURES | STABILIZED FOR OPERATION AT 250 DEG F; PERMANENTLY MARK SAME SERIAL NO. ON EACH BEARING OF SET; LUBRICATE 1/3 FULL; ASSY RELATIONSHIP MARKING V ON OD OF BEARING ELEMENTS |