The Bearing Unit,roller, cataloged under National Stock Number 3130-00-151-9659, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Rexnord Industries, Llc Div Aerosspace Bearing Operation. Government technical data includes 24 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through both NSN and commercial part number lookups. 17 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-00-151-9659 |
| Primary Part Number | ZA2104 |
| Item Name | Bearing Unit,roller |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Rexnord Industries, Llc Div Aerosspace Bearing Operation |
| Status | ACTIVE |
| Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Lubrication Fitting Type | HYDRAULIC |
| Assembly Overall Length | 2.6875 INCHES NOMINAL IN |
| Housing Height | 3.4375 INCHES NOMINAL IN |
| Mounting Slot Length | 0.8125 INCHES NOMINAL IN |
| Internal Fit-Up Designation | STANDARD |
| Mounting Hole Type | SLOTTED |
| Rotating Element Locking Method | SETSCREW LOCKING COLLAR |
| Seal Location | BOTH ENDS |
| Style Designator | PILLOW BLOCK, SOLID |
| Collar Location | BOTH ENDS |
| Features Provided | GROUND ROLLING ELEMENT GROOVE |
| Center to Center Distance Between Mounting Holes Along Width | 4.7500 INCHES NOMINAL IN |
| Housing Width | 6.3125 INCHES NOMINAL IN |
| Base Length | 2.1250 INCHES NOMINAL IN |
| Alignment Type | SELF-ALIGNING |
| Rolling Element Groove Quantity | 2 |
| Base Thickness | 0.8750 INCHES NOMINAL IN |
| Bore Diameter | 1.2500 INCHES NOMINAL IN |
| Height From Bottom of Base to Bore Centerline | 1.7500 INCHES NOMINAL IN |
| Lubrication Fitting Angle From Horizontal Centerline | 30.0 DEGREES NOMINAL |
| Load Capability Type | RADIAL |
| Mounting Slot Width | 0.5000 INCHES NOMINAL 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 |
|---|---|
| ZA2104 PRIMARY | Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA) |
| Reference | Meaning |
|---|---|
| CV20-8301VGZPC2 | 5/9 Secondary reference Merritt-Chapman and Scott Corp New York Shipbuilding Co Div |
| 201-365PC61 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| ZA104 | 5/9 Secondary reference Rexnord Industries, Llc Div Aerosspace Bearing Operation |
| CV2031340-8301VHNPC8 | 5/9 Secondary reference Merritt-Chapman and Scott Corp New York Shipbuilding Co Div |
| 201-353PC8 | 5/9 Secondary reference Otis Elevator Co Sub of United Technologies Corp |
| CV20-8301VGZPC2 | 5/9 Secondary reference Otis Elevator Co Sub of United Technologies Corp |
| C14543ABCPC47 | 5/9 Secondary reference Merritt-Chapman and Scott Corp New York Shipbuilding Co Div |
| 201-365PC61 | 5/9 Secondary reference Otis Elevator Co Sub of United Technologies Corp |
| 201-315PC2 | 5/9 Secondary reference Otis Elevator Co Sub of United Technologies Corp |
| 201-315PC2 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| CV2031340-8301VHNPC8 | 5/9 Secondary reference Otis Elevator Co Sub of United Technologies Corp |
| ZA104 | 5/1 Secondary reference Otis Elevator Co Sub of United Technologies Corp |
| PB900-1-1-4 | 5/1 Secondary reference Emerson Electric Co Browning Mfg Div |
| C14543ABCPC47 | 5/9 Secondary reference Otis Elevator Co Sub of United Technologies Corp |
| 178030-131-C47 | 5/9 Secondary reference Otis Elevator Co Sub of United Technologies Corp |
| BUS1350 | 5/9 Secondary reference Otis Elevator Co Sub of United Technologies Corp |
| 201-353PC8 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 3130-00-151-9659 is a Bearing Unit,roller, manufactured by Rexnord Industries, Llc Div Aerosspace Bearing Operation, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-00-151-9659 has 1 manufacturer part number on file: ZA2104 (Rexnord Industries, Llc Div Aerosspace Bearing Operation).
Key specifications for ZA2104: Seal Type: CONTACT; Lubrication Material: GREASE; Lubrication Fitting Type: HYDRAULIC; Assembly Overall Length: 2.6875 INCHES NOMINAL IN. 24 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.