The Bearing,roller,needle, cataloged under National Stock Number 3110-01-172-5608, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Rbc Aircraft Products, Inc.. Government technical data includes 19 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-172-5608 |
| Primary Part Number | YCRS-18CP |
| Item Name | Bearing,roller,needle |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Rbc Aircraft Products, Inc. |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Bearing Seal Type | CONTACT |
| Outer Ring Width | 0.6200 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN |
| Surface Finish | GROUND |
| Style Designator | CAM ROLLER, HARDENED AND GROUND, NON-SEPARABLE |
| Overall Outside Diameter | 1.1240 INCHES MINIMUM AND 1.1250 INCHES MAXIMUM IN |
| Features Provided | LUBRICATION HOLE AND LUBRICATION GROOVE |
| Alignment Type | RIGID |
| Surface Treatment | CHROMIUM OUTER RING |
| Surface Treatment | CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES |
| Seal Quantity | 2 |
| Standard Tolerance Designation | AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS |
| Bore Diameter | 0.3121 INCHES MINIMUM AND 0.3127 INCHES MAXIMUM IN |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | RUBBER SEAL |
| Material | STEEL ROLLER |
| Material | STEEL RETAINING PLATE |
| Inner Ring Width | 0.6775 INCHES MINIMUM AND 0.6925 INCHES MAXIMUM IN |
| 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 |
|---|---|
| YCRS-18CP PRIMARY | Rbc Aircraft Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| YCRS-18CP | 5/9 Secondary reference Timken Aerospace, Inc Dba Torrington Product |
| CYR-1-1/8 SCP | 5/9 Secondary reference Mcgill Manufacturing Company Inc Use CAGE Code 92563 for Cataloging. |
| YCRS-18CP | C/1 Advisory reference — outside the item-of-supply concept Timken Co Div the Timken Company |
NSN 3110-01-172-5608 is a Bearing,roller,needle, manufactured by Rbc Aircraft Products, Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-172-5608 has 1 manufacturer part number on file: YCRS-18CP (Rbc Aircraft Products, Inc.).
Key specifications for YCRS-18CP: Retainer Fabrication Method: MACHINED; Bearing Seal Type: CONTACT; Outer Ring Width: 0.6200 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN; Surface Finish: GROUND. 19 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.