The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-01-154-8417, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Skf Usa Inc.. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-154-8417 |
| Primary Part Number | SB2157-105 |
| Item Name | Bearing,roller,cylindrical |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Skf Usa Inc. |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Internal Clearance | 0.0032 INCHES MINIMUM RADIAL AND 0.0042 INCHES MAXIMUM RADIAL IN |
| Locating Feature | NONLOCATING |
| Surface Finish | GROUND |
| Style Designator | SINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING WITH TWO ROLLER RETAINMENT RINGS ON OUTER, NON-SEPARABLE |
| Overall Outside Diameter | 4.7241 INCHES MINIMUM AND 4.7244 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Standard Tolerance Designation | ABEC NO.5 |
| Bore Diameter | 2.5588 INCHES MINIMUM AND 2.5591 INCHES MAXIMUM IN |
| Material | STEEL COMP 8620 INNER RING |
| Material | COPPER ALLOY ROLLER |
| Material | STEEL COMP 8620 OR STEEL COMP E52100 OUTER RING |
| Material | STEEL COMP 8620 OR STEEL COMP E52100 RETAINER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| SB2157-105 PRIMARY | Skf Usa Inc. (USA) |
| SB2157-105 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| MR213-C-401 | 5/1 Secondary reference Skf Usa Inc. |
NSN 3110-01-154-8417 is a Bearing,roller,cylindrical, manufactured by Skf Usa Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-154-8417 has 2 manufacturer part numbers on file: SB2157-105 (Skf Usa Inc.), SB2157-105 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for SB2157-105: Retainer Fabrication Method: MACHINED; Internal Clearance: 0.0032 INCHES MINIMUM RADIAL AND 0.0042 INCHES MAXIMUM RADIAL IN; Locating Feature: NONLOCATING; Surface Finish: GROUND. 13 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.