The Ball,bearing, cataloged under National Stock Number 3110-01-487-0842, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-487-0842 |
| Item Name | Ball,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Special Test Features | BEARING STABILIZED FOR OPERATING TEMPERATURE: -54 DEGREES FAHRENHEIT TO +350 DEGREES FAHRENHEIT |
| Supplementary Features | BEARING ANSI/ABMA ABEC GRADE: 3; INTERNAL DIAMETRAL CLEARANCE WITH GAGE LOAD: .0008-.0016; INTERNAL DIAMETRAL CLEARANCE GAGE LOAD PER SPECIFICATION: SC5354; CROSS CORNER DIMENSION A WITH THRUST A: .2086-.2190; CROSS CORNER DIMENSION B WITH THRUST B: .2086-.2190;CAGE PILOT SURFACE: INNER RING LANDS; CAGE PILOT DIAMETRAL CLEARANCE: .006-.012;CAGE POCKET TO BALL DIAMETRAL CLEARANCE: .010-.016;CONSTRUCTION OF CAGE HALVES: TWO PIECE RIVETED; HARDNESS: HRC 28-38; PLATING SPECIFICATION: AMS2412 OR AMS2410; PLATING THICKNESS: .0005-.0015; BALL ANSI/ABMA GRADE: 10; DIAMETER: .1403-.1409; QUANTITY: 6; HARDNESS: HRC 58 MIN; BASIC BEARING SIZE: 4A; INITIAL APPLICATION: T55 AGB POS NUMBER 21; PITCH DIAMETER: .501;FREE STATE CONTACT ANGLE: 16.3-35.1 DEGREES;FREE STATE DIAMETRAL CLEARANCE: .00059-.00142;FREE STATE END PLAY: .0030-.0063;OUTER RING RACEWAY CURVATURE: 51.38%-52.60%;INNER RING RACEWAY CURVATURE: 51.38%-52.60%;OUTER RING EFFECTVE RACEWAY DEPTH: 13.4 MIN; INNER RING: 13.8 A |
| Material | STEEL COMP 4340 CAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2-310-166-02 | 3/2 Design control — primary reference U.S. Government activity |
| 2-310-166-02-99193 | 1/2 Source control — Government-approved source U.S. Government activity |
| 2-310-166-02 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-01-487-0842 is a Ball,bearing, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
Key specifications for 3110-01-487-0842: Special Test Features: BEARING STABILIZED FOR OPERATING TEMPERATURE: -54 DEGREES FAHRENHEIT TO +350 DEGREES FAHRENHEIT; Supplementary Features: BEARING ANSI/ABMA ABEC GRADE: 3; INTERNAL DIAMETRAL CLEARANCE WITH GAGE LOAD: .0008-.0016; INTERNAL DIAMETRAL CLEARANCE GAGE LOAD PER SPECIFICATION: SC5354; CROSS CORNER DIMENSION A WITH THRUST A: .2086-.2190; CROSS CORNER DIMENSION B WITH THRUST B: .2086-.2190;CAGE PILOT SURFACE: INNER RING LANDS; CAGE PILOT DIAMETRAL CLEARANCE: .006-.012;CAGE POCKET TO BALL DIAMETRAL CLEARANCE: .010-.016;CONSTRUCTION OF CAGE HALVES: TWO PIECE RIVETED; HARDNESS: HRC 28-38; PLATING SPECIFICATION: AMS2412 OR AMS2410; PLATING THICKNESS: .0005-.0015; BALL ANSI/ABMA GRADE: 10; DIAMETER: .1403-.1409; QUANTITY: 6; HARDNESS: HRC 58 MIN; BASIC BEARING SIZE: 4A; INITIAL APPLICATION: T55 AGB POS NUMBER 21; PITCH DIAMETER: .501;FREE STATE CONTACT ANGLE: 16.3-35.1 DEGREES;FREE STATE DIAMETRAL CLEARANCE: .00059-.00142;FREE STATE END PLAY: .0030-.0063;OUTER RING RACEWAY CURVATURE: 51.38%-52.60%;INNER RING RACEWAY CURVATURE: 51.38%-52.60%;OUTER RING EFFECTVE RACEWAY DEPTH: 13.4 MIN; INNER RING: 13.8 A; Special Features: BALL MATERIAL: AMS 6440 OR AMS 6444; METALLURGICAL CONTROL SPECIFICATION: SC5354; HARDNESS: HRC 58 MIN; OUTER RING MATERIAL: AMS6440 OR AMS6444, METALLURGICAL CONTROL SPECIFICATION: SC5354; INNER RING MATERIAL: AMS6440 OR AMS6444, METALLURGICAL CONTROL SPECIFICATION: SC5354; Part Name Assigned by Controlling Agency: BEARING BALL CONRAD.. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.