The Bearing,ball,annular, cataloged under National Stock Number 3110-01-369-8974, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Timken Co Div the Timken Company. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 3110-01-369-8974 |
| Primary Part Number | RA200RRB |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Timken Co Div the Timken Company |
| Status | ACTIVE |
| Bearing Seal Type | CONTACT |
| Outer Ring Width | 22.0 MILLIMETERS NOMINAL MM |
| Surface Finish | GROUND |
| Style Designator | SINGLE ROW BALL EXTERNAL SELF-ALIGNING, INNER RING EXTENDS ONE SIDE, WITH ECCENTRIC LOCKING COLLAR |
| Overall Outside Diameter | 90.0 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Seal Quantity | 2 |
| Bore Diameter | 50.0 MILLIMETERS NOMINAL MM |
| Material | STEEL COMP E52100 BALL |
| Material | RUBBER SYNTHETIC SEAL |
| Material | PLASTIC POLYAMIDE NYLON RETAINER |
| Material | STEEL COMP E52100 OUTER RING |
| Material | STEEL COMP E52100 INNER RING |
| 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 |
|---|---|
| RA200RRB PRIMARY | Timken Co Div the Timken Company (USA) |
| Reference | Meaning |
|---|---|
| 103837 | 5/9 Secondary reference U.S. Government activity |
| P18 ITEM 4-BEARING 2INID | 5/9 Secondary reference U.S. Government activity |
NSN 3110-01-369-8974 is a Bearing,ball,annular, manufactured by Timken Co Div the Timken Company, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-369-8974 has 1 manufacturer part number on file: RA200RRB (Timken Co Div the Timken Company).
3 possible matches (shared part number, not a government interchangeability claim): 5998-01-372-1286, 2510-01-555-5586, 5998-01-621-0741. Verify interchangeability with system specifications before substitution.
Key specifications for RA200RRB: Bearing Seal Type: CONTACT; Outer Ring Width: 22.0 MILLIMETERS NOMINAL MM; Surface Finish: GROUND; Style Designator: SINGLE ROW BALL EXTERNAL SELF-ALIGNING, INNER RING EXTENDS ONE SIDE, WITH ECCENTRIC LOCKING COLLAR. 14 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.