The Bearing,roller,needle, cataloged under National Stock Number 3110-00-243-7102, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Jtekt Bearings North America Llc Div Kbna - Ord 1. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-243-7102 |
| Primary Part Number | 321908-1 |
| Item Name | Bearing,roller,needle |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Jtekt Bearings North America Llc Div Kbna - Ord 1 |
| Status | ACTIVE |
| Lubrication Material | OIL LUBRICATING |
| Style Designator | SEPARABLE INNER RACE, WITH ROLLER RETAINER, HARDENED AND GROUND |
| Overall Outside Diameter | 4.5000 INCHES NOMINAL IN |
| Alignment Type | RIGID |
| Standard Tolerance Designation | AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS |
| Bore Diameter | 3.0000 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 321908-1 PRIMARY | Jtekt Bearings North America Llc Div Kbna - Ord 1 (USA) |
| Reference | Meaning |
|---|---|
| 321908-1 | 1/2 Source control — Government-approved source U.S. Government activity |
| IR-485632 | 5/1 Secondary reference Timken Aerospace, Inc Dba Torrington Product |
| 1R-485632 | 5/1 Secondary reference Jtekt Bearings North America Llc Div Kbna - Ord 1 |
| 321908-1 | 5/9 Secondary reference Timken Aerospace, Inc Dba Torrington Product |
| IR485632-567232 | 5/9 Secondary reference Timken Aerospace, Inc Dba Torrington Product |
NSN 3110-00-243-7102 is a Bearing,roller,needle, manufactured by Jtekt Bearings North America Llc Div Kbna - Ord 1, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-243-7102 has 1 manufacturer part number on file: 321908-1 (Jtekt Bearings North America Llc Div Kbna - Ord 1).
2 possible matches (shared part number, not a government interchangeability claim): 5325-01-129-8649, 6150-01-140-8283. Verify interchangeability with system specifications before substitution.
Key specifications for 321908-1: Lubrication Material: OIL LUBRICATING; Style Designator: SEPARABLE INNER RACE, WITH ROLLER RETAINER, HARDENED AND GROUND; Overall Width: 2.0100 INCHES NOMINAL IN; Overall Outside Diameter: 4.5000 INCHES NOMINAL IN. 7 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.