The Bearing Unit,ball, cataloged under National Stock Number 3130-01-188-4878, is classified within Federal Supply Class 3130 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Gleason Reel Corp. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-188-4878 |
| Primary Part Number | G36-39 |
| Item Name | Bearing Unit,ball |
| FSC / FSG | 3130 / 31 — No Item Name Available |
| Manufacturer | Gleason Reel Corp |
| Status | ACTIVE |
| Bolt Circle Diameter | 4.7500 INCHES NOMINAL IN |
| Housing Length | 0.8661 INCHES NOMINAL IN |
| Collar Location | ONE END |
| Features Provided | GROUND ROLLING ELEMENT GROOVE |
| Seal Location | BOTH ENDS |
| Seal Type | CONTACT |
| Housing Diameter | 5.8750 INCHES NOMINAL IN |
| Rotating Element Locking Method | ECCENTRIC CAM LOCKING COLLAR |
| Internal Fit-Up Designation | STANDARD |
| Bore Diameter | 1.7500 INCHES NOMINAL IN |
| Lubrication Material | GREASE |
| Alignment Type | SELF-ALIGNING |
| Rolling Element Groove Quantity | 2 |
| Shaft End Type | OPEN |
| Load Capability Type | RADIAL |
| Block Type | FIXED |
| Mounting Hole Type | SQUARE |
| Mounting Hole Width | 0.5313 INCHES NOMINAL IN |
| Assembly Overall Length | 1.7188 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3130-01-188-4878 is a Bearing Unit,ball, manufactured by Gleason Reel Corp, classified under FSC 3130 (No Item Name Available). Status: active.
NSN 3130-01-188-4878 has 2 cross-referenced part numbers: G36-39 (Gleason Reel Corp), RA1 3/4 (Timken Co Div the Timken Company).
There are 3 known substitutes for 3130-01-188-4878: 3110-00-120-4169, 6685-00-136-3151, 3120-00-662-1876. Verify interchangeability with system specifications before substitution.
Key specifications for G36-39: Bolt Circle Diameter: 4.7500 INCHES NOMINAL IN; Housing Length: 0.8661 INCHES NOMINAL IN; Collar Location: ONE END; Features Provided: GROUND ROLLING ELEMENT GROOVE. 20 total characteristics are documented in the Federal Logistics Information System.