The Bearing Unit,roller, cataloged under National Stock Number 3130-01-159-8644, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Reliance Electric Company Dba Reliance & Dodge Brands. Government technical data includes 28 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-159-8644 |
| Primary Part Number | 041223-041159 |
| Item Name | Bearing Unit,roller |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Reliance Electric Company Dba Reliance & Dodge Brands |
| Status | ACTIVE |
| Seal Type | SELF-ALIGNING |
| Lubrication Material | GREASE |
| Lubrication Fitting Type | HYDRAULIC |
| Assembly Overall Length | 7.5000 INCHES NOMINAL IN |
| Housing Height | 12.0000 INCHES NOMINAL IN |
| Mounting Slot Length | 2.0000 INCHES NOMINAL IN |
| Internal Fit-Up Designation | STANDARD |
| Mounting Hole Type | SLOTTED |
| Rotating Element Locking Method | ADAPTER |
| Seal Location | ONE END |
| Block Type | FLOATING |
| Style Designator | PILLOW BLOCK, OPTIONAL SPLIT |
| Features Provided | GROUND ROLLING ELEMENT GROOVE |
| Center to Center Distance Between Mounting Holes Along Width | 15.5000 INCHES MINIMUM AND 17.5000 INCHES MAXIMUM IN |
| Housing Width | 20.1250 INCHES NOMINAL IN |
| Base Length | 5.8750 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes Along Length | 3.3750 INCHES NOMINAL IN |
| Alignment Type | SELF-ALIGNING |
| Rolling Element Groove Quantity | 2 |
| Shaft End Type | OPEN |
| Base Thickness | 2.5000 INCHES NOMINAL IN |
| Bore Diameter | 5.0000 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Housing Length | 7.5000 INCHES NOMINAL IN |
| Height From Bottom of Base to Bore Centerline | 6.0000 INCHES NOMINAL IN |
| Lubrication Fitting Angle From Horizontal Centerline | 45.0 DEGREES NOMINAL |
| Load Capability Type | RADIAL AND THRUST |
| Mounting Slot Width | 1.0000 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 |
|---|---|
| 041223-041159 PRIMARY | Reliance Electric Company Dba Reliance & Dodge Brands (USA) |
| Reference | Meaning |
|---|---|
| PL13501200 ITEM 18 | 5/9 Secondary reference U.S. Government activity |
NSN 3130-01-159-8644 is a Bearing Unit,roller, manufactured by Reliance Electric Company Dba Reliance & Dodge Brands, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-159-8644 has 1 manufacturer part number on file: 041223-041159 (Reliance Electric Company Dba Reliance & Dodge Brands).
Key specifications for 041223-041159: Seal Type: SELF-ALIGNING; Lubrication Material: GREASE; Lubrication Fitting Type: HYDRAULIC; Assembly Overall Length: 7.5000 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.