The Bearing Unit,roller, cataloged under National Stock Number 3130-01-301-0621, 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 28 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-301-0621 |
| Primary Part Number | ZA-2208 |
| 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 | 3.500 INCHES NOMINAL IN |
| Housing Height | 5.438 INCHES NOMINAL IN |
| Mounting Slot Length | 1.000 INCHES NOMINAL IN |
| Internal Fit-Up Designation | STANDARD |
| Mounting Hole Type | SLOTTED |
| Rotating Element Locking Method | SETSCREW LOCKING COLLAR |
| Seal Location | BOTH ENDS |
| Block Type | FIXED |
| Style Designator | PILLOW BLOCK, SOLID |
| Collar Location | ONE END |
| Center to Center Distance Between Mounting Holes Along Width | 7.125 INCHES NOMINAL IN |
| Housing Width | 9.125 INCHES NOMINAL IN |
| Base Length | 2.625 INCHES NOMINAL IN |
| Alignment Type | SELF-ALIGNING |
| Rolling Element Groove Quantity | 2 |
| Shaft End Type | OPEN |
| Base Thickness | 1.500 INCHES NOMINAL IN |
| Bore Diameter | 2.5000 INCHES NOMINAL IN |
| Material | IRON CAST HOUSING |
| Material | STEEL SEAL |
| Material | STEEL BEARING |
| Height From Bottom of Base to Bore Centerline | 2.745 INCHES MINIMUM AND 2.755 INCHES MAXIMUM IN |
| Lubrication Fitting Angle From Horizontal Centerline | 30.0 DEGREES NOMINAL |
| Load Capability Type | RADIAL AND THRUST |
| Mounting Slot Width | 0.625 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 |
|---|---|
| 805-12411-90 | Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA) |
| ZA-2208 PRIMARY | Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA) |
NSN 3130-01-301-0621 is a Bearing Unit,roller, manufactured by Rexnord Industries, Llc Div Aerosspace Bearing Operation, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-301-0621 has 2 manufacturer part numbers on file: 805-12411-90 (Rexnord Industries, Llc Div Aerosspace Bearing Operation), ZA-2208 (Rexnord Industries, Llc Div Aerosspace Bearing Operation).
Key specifications for ZA-2208: Seal Type: CONTACT; Lubrication Material: GREASE; Lubrication Fitting Type: HYDRAULIC; Assembly Overall Length: 3.500 INCHES NOMINAL IN. 28 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.