NSN 3130-01-212-4800
Part Details | BEARING UNIT HOUSING
3130-01-212-4800 A single or multiple piece item without ball, plain or roller bearing(s). It is designed to meet various or specific conditions of mounting. For items with bearings, see BEARING UNIT, BALL; BEARING UNIT, PLAIN; and BEARING UNIT, ROLLER.
Alternate Parts: 912120, 912120, 912120, 3130-01-212-4800, 01-212-4800, 3130012124800, 012124800
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
31 | JUL 12, 1985 | 01-212-4800 | 30559 ( HOUSING, BEARING UNIT ) |
REFERENCE DRAWINGS & PICTURES
PILLOW BLOCK, OPTIONAL SPLIT

Cross Reference | NSN 3130-01-212-4800
Part Number | Cage Code | Manufacturer |
---|---|---|
912120 | 49956 | RAYTHEON COMPANYDBA RAYTHEON |
912120 | 3B150 | RAYTHEON COMPANYDBA RAYTHEON |
912120 | 54X10 | RAYTHEON COMPANYDBA RAYTHEON |
Technical Data | NSN 3130-01-212-4800
Characteristic | Specifications |
---|---|
BORE DIAMETER | 1.7500 INCHES NOMINAL |
STYLE DESIGNATOR | 8 PILLOW BLOCK, OPTIONAL SPLIT |
BASE THICKNESS | 0.750 INCHES NOMINAL |
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH | 4.500 INCHES NOMINAL |
HOUSING HEIGHT | 3.120 INCHES NOMINAL |
HOUSING WIDTH | 5.750 INCHES NOMINAL |
BASE LENGTH | 1.376 INCHES NOMINAL |
ASSEMBLY OVERALL LENGTH | 1.500 INCHES NOMINAL |
HEIGHT FROM BOTTOM OF BASE TO BORE CENTERLINE | 1.625 INCHES NOMINAL |
MOUNTING HOLE TYPE | ROUND, UNTHREADED |
MOUNTING HOLE DIAMETER | 0.542 INCHES MINIMUM AND 0.557 INCHES MAXIMUM |
LUBRICATION FITTING TYPE | PIPE PLUG |
LUBRICATION FITTING ANGLE FROM HORIZONTAL CENTERLINE | 45.0 DEGREES NOMINAL |
SHAFT END TYPE | OPEN |
SPECIAL FEATURES | 32.0 MICROIN FINISH ON BORE; INTERNAL FLANGE 1.750 IN. DIA,0.136 IN. WIDE,1.157 IN. FROM FRONT FACE; REDUCED DIA BORE SAME END AS INTERNAL FLANGE TO 1.871 IN. DIA,0.207 IN. DEEP FROM BACK FACE; FOUR EQUALLY SPACED HOLES IN FROM FSACE,0.380 IN. MIN DEEP,0.250 IN. 20UNC-2B THREADS,2.124 IN. APART; 0.3138 DIA BY 0.380 IN. DEEP HOLE IN BASE |