The Cam Follower,needle Bearing, cataloged under National Stock Number 3110-01-170-3844, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Link-Belt Cranes, L.p., Lllp. Government technical data includes 22 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-170-3844 |
| Primary Part Number | 1X5611 |
| Item Name | Cam Follower,needle Bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Link-Belt Cranes, L.p., Lllp |
| Status | ACTIVE |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN |
| Thread Length | 0.2500 INCHES MINIMUM IN |
| Style Designator | CAM FOLLOWER |
| Overall Outside Diameter | 0.4990 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Features Provided | LUBRICATION HOLE |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Stud Length | 0.6250 INCHES NOMINAL IN |
| Alignment Type | RIGID |
| Seal Quantity | 2 |
| Thread Class | 2A A |
| Standard Tolerance Designation | AFBMA STD TOLERANCE FOR CAN FOLLWER NEEDLE BEARING |
| Thread Quantity Per Inch | 28 |
| Material | STEEL OUTER RING |
| Material | RUBBER SYNTHETIC SEAL |
| Material | STEEL STUD |
| Material | STEEL ROLLER |
| Material | STEEL WASHER |
| Thread Series Designator | UNF |
| Stud Diameter | 0.2500 INCHES MINIMUM AND 0.2510 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 |
|---|---|
| 1X5611 | Link-Belt Cranes, L.p., Lllp (USA) |
| CRHSLB-8-1 | Timken Aerospace, Inc Dba Torrington Product (USA) |
| Reference | Meaning |
|---|---|
| CRHSLB-8-1 | 3/9 Design control — primary reference Timken Co Div the Timken Company |
| CFH1/2SB | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-01-170-3844 is a Cam Follower,needle Bearing, manufactured by Link-Belt Cranes, L.p., Lllp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-170-3844 has 2 manufacturer part numbers on file: 1X5611 (Link-Belt Cranes, L.p., Lllp), CRHSLB-8-1 (Timken Aerospace, Inc Dba Torrington Product).
1 possible match (shared part number, not a government interchangeability claim): 3110-01-274-9855. Verify interchangeability with system specifications before substitution.
Key specifications for 1X5611: Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Outer Ring Width: 0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN; Thread Length: 0.2500 INCHES MINIMUM IN. 22 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.