The Bearing Unit,ball, cataloged under National Stock Number 3130-00-888-7415, is classified within Federal Supply Class 3130 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Arrow-Master, Incorporated. Government technical data includes 23 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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3130-00-888-7415 |
| Primary Part Number | ST22 |
| Item Name | Bearing Unit,ball |
| FSC / FSG | 3130 / 31 — No Item Name Available |
| Manufacturer | Arrow-Master, Incorporated |
| Status | CANCELLED |
| Shaft End Type | OPEN |
| Lubrication Material | GREASE |
| Lubrication Fitting Angle From Horizontal Centerline | 30.0 DEGREES NOMINAL |
| Lubrication Fitting Type | HYDRAULIC |
| Rotating Element Locking Method | DIRECT |
| Material | STEEL AND WOOL SEAL |
| Material | IRON CAST HOUSING |
| Internal Fit-Up Designation | STANDARD |
| Groove Width | 0.5312 INCHES NOMINAL IN |
| Bore Diameter | 1.3750 INCHES NOMINAL IN |
| Housing Width | 4.0000 INCHES NOMINAL IN |
| Load Capability Type | RADIAL |
| Seal Location | BOTH ENDS |
| Height From Bottom of Base to Bore Centerline | 3.5625 INCHES NOMINAL IN |
| Block Type | FIXED |
| Features Provided | GROUND ROLLING ELEMENT GROOVE |
| Housing Height | 5.0625 INCHES NOMINAL IN |
| Housing Length | 1.3750 INCHES NOMINAL IN |
| Rolling Element Groove Quantity | 1 |
| Assembly Overall Length | 1.7500 INCHES NOMINAL IN |
| Style Designator | FRAME TYPE |
| Alignment Type | SELF-ALIGNING |
| Seal Type | LABYRINTH |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 3130-00-888-7415 is a Bearing Unit,ball, manufactured by Arrow-Master, Incorporated, classified under FSC 3130 (No Item Name Available). Status: cancelled.
NSN 3130-00-888-7415 has 2 cross-referenced part numbers: ST22 (Arrow-Master, Incorporated), ST22 (Stephens-Adamson Inc a Sub of Allis-Chalmers Corp).
There are 3 known substitutes for 3130-00-888-7415: 6650-00-071-3102, 5999-00-272-2171, 4140-01-437-2871. Verify interchangeability with system specifications before substitution.
Key specifications for ST22: Shaft End Type: OPEN; Lubrication Material: GREASE; Lubrication Fitting Angle From Horizontal Centerline: 30.0 DEGREES NOMINAL; Lubrication Fitting Type: HYDRAULIC. 23 total characteristics are documented in the Federal Logistics Information System.
NSN 3130-00-888-7415 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.