The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-101-4194, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is The Timken Corporation. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3110-00-101-4194 |
| Primary Part Number | 749A742 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | CANCELLED |
| Cup Width | 1.4375 INCHES NOMINAL IN |
| Style Designator | STRAIGHT BORE, NORMAL ANGLE |
| Overall Outside Diameter | 5.9090 INCHES NOMINAL IN |
| Backface Corner Radius | 0.1250 INCHES NOMINAL IN |
| Cone Corner Radius | 0.1400 INCHES NOMINAL IN |
| Standout Width | 0.3125 INCHES NOMINAL IN |
| Cone Width | 1.8375 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Bore Diameter | 3.2500 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 749A742 | Ntn Bearing Corporation of America (USA) |
| 749A742 PRIMARY | The Timken Corporation (USA) |
| 749A742 PRIMARY | Rbc Bearings Incorporated Div West Trenton Division (USA) |
| Reference | Meaning |
|---|---|
| 12273107 | 5/1 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| 3110001014194 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 9-063-01-0020 | 5/9 Secondary reference Air Products & Chemicals, Inc |
| 36PS33 | 5/9 Secondary reference Chicago Pneumatic Tool Co |
| 36PS33 | 5/9 Secondary reference U.S. Government activity |
| 703255 | C/1 Advisory reference — outside the item-of-supply concept Army Weapons Command Attn Amswe-Ree-S |
| 749A742 | 5/9 Secondary reference Tyson Bearing Co Div Skf Industries Inc |
| 749A742 | 5/9 Secondary reference Federal-Mogul Corp Government Sales Dept |
| 36PS33 | 5/9 Secondary reference Air Products & Chemicals, Inc |
| FFB187/01-617 | 5/9 Secondary reference U.S. Government activity |
NSN 3110-00-101-4194 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: cancelled.
NSN 3110-00-101-4194 has 3 manufacturer part numbers on file: 749A742 (Ntn Bearing Corporation of America), 749A742 (The Timken Corporation), 749A742 (Rbc Bearings Incorporated Div West Trenton Division).
2 possible matches (shared part number, not a government interchangeability claim): 5331-01-020-2317, 2540-01-521-0602. Verify interchangeability with system specifications before substitution.
Key specifications for 749A742: Cup Width: 1.4375 INCHES NOMINAL IN; Style Designator: STRAIGHT BORE, NORMAL ANGLE; Overall Width: 1.7500 INCHES NOMINAL IN; Overall Outside Diameter: 5.9090 INCHES NOMINAL IN. 10 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.
NSN 3110-00-101-4194 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.