The Bearing Unit,ball, cataloged under National Stock Number 3130-01-129-9956, 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 27 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-129-9956 |
| Primary Part Number | SCM2 15/16 |
| Item Name | Bearing Unit,ball |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Reliance Electric Company Dba Reliance & Dodge Brands |
| Status | ACTIVE |
| Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Lubrication Fitting Type | HYDRAULIC |
| Assembly Overall Length | 3.5000 INCHES NOMINAL IN |
| Housing Height | 7.2500 INCHES NOMINAL IN |
| Mounting Slot Length | 2.0000 INCHES NOMINAL IN |
| Internal Fit-Up Designation | STANDARD |
| Mounting Hole Type | SLOTTED |
| Rotating Element Locking Method | DIRECT |
| Seal Location | BOTH ENDS |
| Block Type | FIXED |
| Style Designator | PILLOW BLOCK, SOLID |
| Features Provided | GROUND ROLLING ELEMENT GROOVE |
| Center to Center Distance Between Mounting Holes Along Width | 9.0000 INCHES NOMINAL IN |
| Housing Width | 13.0000 INCHES NOMINAL IN |
| Base Length | 3.5000 INCHES NOMINAL IN |
| Alignment Type | SELF-ALIGNING |
| Rolling Element Groove Quantity | 1 |
| Shaft End Type | OPEN |
| Base Thickness | 1.2500 INCHES NOMINAL IN |
| Bore Diameter | 2.9375 INCHES NOMINAL IN |
| Material | STEEL BEARING |
| Material | COTTON SEAL |
| Height From Bottom of Base to Bore Centerline | 3.5000 INCHES NOMINAL IN |
| Lubrication Fitting Angle From Horizontal Centerline | 90.0 DEGREES NOMINAL |
| Load Capability Type | RADIAL AND THRUST |
| Mounting Slot Width | 0.9375 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 |
|---|---|
| SCM2 15/16 PRIMARY | Reliance Electric Company Dba Reliance & Dodge Brands (USA) |
| RAKH2 15/16 | Timken Co Div the Timken Company (USA) |
| Reference | Meaning |
|---|---|
| 126821 | 5/9 Secondary reference Reliance Electric Company Dba Reliance & Dodge Brands |
| 114585-1 | 5/9 Secondary reference U.S. Government activity |
| MP-47C | 5/9 Secondary reference Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co |
| 7859 ITEM 14 | 5/1 Secondary reference Conductix Inc Div Conductix Wampfler |
| 114585-1 | 5/1 Secondary reference L3harris Technologies, Inc. |
NSN 3130-01-129-9956 is a Bearing Unit,ball, manufactured by Reliance Electric Company Dba Reliance & Dodge Brands, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-129-9956 has 2 manufacturer part numbers on file: SCM2 15/16 (Reliance Electric Company Dba Reliance & Dodge Brands), RAKH2 15/16 (Timken Co Div the Timken Company).
Key specifications for SCM2 15/16: Seal Type: CONTACT; Lubrication Material: GREASE; Lubrication Fitting Type: HYDRAULIC; Assembly Overall Length: 3.5000 INCHES NOMINAL IN. 27 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.