The Bearing,roller,needle, cataloged under National Stock Number 3110-00-446-3211, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Rbc Bearings Incorporated Div West Trenton Division. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 13 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-446-3211 |
| Primary Part Number | 10921639 |
| Item Name | Bearing,roller,needle |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Rbc Bearings Incorporated Div West Trenton Division |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Surface Finish | GROUND |
| Style Designator | SEPARABLE INNER RACE, WITH ROLLER RETAINER, HARDENED AND GROUND |
| Overall Outside Diameter | 4.3750 INCHES NOMINAL IN |
| Alignment Type | RIGID |
| Standard Tolerance Designation | AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS |
| Bore Diameter | 3.5000 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 |
|---|---|
| 10921639 PRIMARY | Rbc Bearings Incorporated Div West Trenton Division (USA) |
| 10921639 PRIMARY | Timken Aerospace, Inc Dba Torrington Product (USA) |
| Reference | Meaning |
|---|---|
| 10921639 | 5/9 Secondary reference Ina Bearing Co |
| 1SE5337 | 5/9 Secondary reference Orange Roller Bearing Co Inc |
| 10921639 | 5/9 Secondary reference Mcgill Manufacturing Company Inc Use CAGE Code 92563 for Cataloging. |
| C6548A | 5/9 Secondary reference Timken Co Div the Timken Company |
| 3110004463211 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| SE511-1 | 5/9 Secondary reference Mcgill Manufacturing Company Inc Use CAGE Code 92563 for Cataloging. |
| C6548A | 5/1 Secondary reference Rbc Bearings Incorporated Div West Trenton Division |
| FC68094 | 5/9 Secondary reference Schaeffler Group Usa Inc. Dba Ina Bearing |
| 10921639 | 5/9 Secondary reference Schaeffler Group Usa Inc. Dba Ina Bearing |
| C6548A | 5/9 Secondary reference Ina Bearing Co |
| 10921639 | 3/2 Design control — primary reference U.S. Government activity |
| 10921639 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
| C6548A | 5/1 Secondary reference Timken Aerospace, Inc Dba Torrington Product |
NSN 3110-00-446-3211 is a Bearing,roller,needle, manufactured by Rbc Bearings Incorporated Div West Trenton Division, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-446-3211 has 2 manufacturer part numbers on file: 10921639 (Rbc Bearings Incorporated Div West Trenton Division), 10921639 (Timken Aerospace, Inc Dba Torrington Product).
Key specifications for 10921639: Retainer Fabrication Method: PRESSED; Surface Finish: GROUND; Style Designator: SEPARABLE INNER RACE, WITH ROLLER RETAINER, HARDENED AND GROUND; Overall Width: 1.5100 INCHES NOMINAL IN. 8 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.