The Bearing Unit,ball, cataloged under National Stock Number 3130-00-623-3022, is classified within Federal Supply Class 3130 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 26 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-00-623-3022 |
| Primary Part Number | 8421539 |
| Item Name | Bearing Unit,ball |
| FSC / FSG | 3130 / 31 — No Item Name Available |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Center to Center Distance Between Mounting Holes Along Width | 6.2500 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Style Designator | PILLOW BLOCK, SOLID |
| Housing Height | 4.5000 INCHES MINIMUM AND 4.6200 INCHES MAXIMUM IN |
| Lubrication Fitting Angle From Horizontal Centerline | 90.0 DEGREES NOMINAL |
| Shaft End Type | OPEN |
| Collar Location | ONE END |
| Housing Width | 7.7500 INCHES MINIMUM AND 8.1200 INCHES MAXIMUM IN |
| Assembly Overall Length | 2.3700 INCHES MINIMUM AND 2.6700 INCHES MAXIMUM IN |
| Load Capability Type | RADIAL |
| Base Length | 2.1000 INCHES MINIMUM AND 2.4000 INCHES MAXIMUM IN |
| Mounting Hole Diameter | 0.6400 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN |
| Internal Fit-Up Designation | STANDARD |
| Rolling Element Groove Quantity | 1 |
| Bore Diameter | 1.9380 INCHES NOMINAL IN |
| Seal Location | BOTH ENDS |
| Alignment Type | SELF-ALIGNING |
| Seal Type | CONTACT |
| Features Provided | GROUND ROLLING ELEMENT GROOVE |
| Housing Length | 1.8300 INCHES MINIMUM AND 2.4700 INCHES MAXIMUM IN |
| Rotating Element Locking Method | SETSCREW LOCKING COLLAR |
| Block Type | FIXED |
| Base Thickness | 1.3800 INCHES NOMINAL IN |
| Mounting Hole Type | ROUND, UNTHREADED |
| Lubrication Material | GREASE |
| Height From Bottom of Base to Bore Centerline | 2.2500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3130-00-623-3022 is a Bearing Unit,ball, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 3130 (No Item Name Available). Status: active.
NSN 3130-00-623-3022 has 2 cross-referenced part numbers: A622 (Reliance Electric Company Dba Reliance & Dodge Brands), 8421539 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
There are 9 known substitutes for 3130-00-623-3022: 4320-00-058-3084, 5910-00-165-2848, 3040-00-471-8612 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8421539: Center to Center Distance Between Mounting Holes Along Width: 6.2500 INCHES NOMINAL IN; Material: STEEL OVERALL; Style Designator: PILLOW BLOCK, SOLID; Housing Height: 4.5000 INCHES MINIMUM AND 4.6200 INCHES MAXIMUM IN. 26 total characteristics are documented in the Federal Logistics Information System.