The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-155-7450, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-155-7450 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Cup Width | 0.3750 INCHES NOMINAL IN |
| Style Designator | STRAIGHT BORE, NORMAL ANGLE |
| Material Document and Classification | QQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-624 FED SPEC 3RD MATERIAL RESPONSE OR 66 FED STD 4TH MATERIAL RESPONSE CONE |
| Material Document and Classification | QQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-624 FED SPEC 3RD MATERIAL RESPONSE OR 66 FED STD 4TH MATERIAL RESPONSE CUP |
| Material Document and Classification | QQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-624 FED SPEC 3RD MATERIAL RESPONSE OR 66 FED STD 4TH MATERIAL RESPONSE ROLLER |
| Overall Outside Diameter | 1.9687 INCHES NOMINAL IN |
| Backface Corner Radius | 0.0400 INCHES NOMINAL IN |
| Cone Corner Radius | 0.0460 INCHES NOMINAL IN |
| Standout Width | 0.1563 INCHES NOMINAL IN |
| Cone Width | 0.5614 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Bore Diameter | 0.8750 INCHES NOMINAL IN |
| Material | STEEL RETAINER |
| Material | STEEL COMP 4320 OR STEEL COMP 4620 OR STEEL COMP 8620 OR STEEL COMP E52100 ROLLER |
| Material | STEEL COMP 4320 OR STEEL COMP 4620 OR STEEL COMP 8620 OR STEEL COMP E52100 CUP |
| Material | STEEL COMP 4320 OR STEEL COMP 4620 OR STEEL COMP 8620 OR STEEL COMP E52100 CONE |
| 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 |
|---|---|
| FF-B-187 | 4/1 Identification reference U.S. Government activity |
| MS19081-15 | 2/2 Government specification standardization U.S. Government activity |
| 07087-07196 | 5/1 Secondary reference Federal-Mogul Corp Government Sales Dept |
| C0NEN007087CUPN007196 | 5/1 Secondary reference The Timken Corporation |
| 189 AND 190 | 5/9 Secondary reference Winsmith Div Umc Industries Inc |
| A33-2H3CT12 | 5/9 Secondary reference Winsmith Div Umc Industries Inc |
| MI82B | 5/9 Secondary reference Clausing Corp |
NSN 3110-00-155-7450 is a Bearing,roller,tapered, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
Key specifications for 3110-00-155-7450: Cup Width: 0.3750 INCHES NOMINAL IN; Style Designator: STRAIGHT BORE, NORMAL ANGLE; Material Document and Classification: QQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-624 FED SPEC 3RD MATERIAL RESPONSE OR 66 FED STD 4TH MATERIAL RESPONSE CONE; Material Document and Classification: QQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-624 FED SPEC 3RD MATERIAL RESPONSE OR 66 FED STD 4TH MATERIAL RESPONSE CUP. 16 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.