The Bearing Unit,ball, cataloged under National Stock Number 3130-00-805-6531, is classified within Federal Supply Class 3130 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Timken Co Div the Timken Company. 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3130-00-805-6531 |
| Primary Part Number | PB3/4 |
| Item Name | Bearing Unit,ball |
| FSC / FSG | 3130 / 31 — No Item Name Available |
| Manufacturer | Timken Co Div the Timken Company |
| Status | CANCELLED |
| Base Thickness | 0.1000 INCHES NOMINAL IN |
| Shaft End Type | OPEN |
| Rotating Element Locking Method | SETSCREW LOCKING COLLAR |
| Seal Type | CONTACT |
| Mounting Hole Diameter | 0.3750 INCHES NOMINAL IN |
| Housing Length | 0.8594 INCHES NOMINAL IN |
| Material | STEEL HOUSING |
| Style Designator | PILLOW BLOCK, SEPARABLE W/O INNERLINER |
| Material | RUBBER SYNTHETIC SEAL |
| Block Type | FIXED |
| Seal Location | BOTH ENDS |
| Housing Height | 1.9844 INCHES NOMINAL IN |
| Height From Bottom of Base to Bore Centerline | 1.0000 INCHES NOMINAL IN |
| Collar Location | ONE END |
| Mounting Hole Type | ROUND, UNTHREADED |
| Internal Fit-Up Designation | STANDARD |
| Load Capability Type | RADIAL |
| Lubrication Material | GREASE |
| Rolling Element Groove Quantity | 1 |
| Features Provided | GROUND ROLLING ELEMENT GROOVE |
| Housing Width | 3.3750 INCHES NOMINAL IN |
| Alignment Type | SELF-ALIGNING |
| Center to Center Distance Between Mounting Holes Along Width | 3.0000 INCHES NOMINAL IN |
| Assembly Overall Length | 1.5480 INCHES NOMINAL IN |
| Bore Diameter | 0.7500 INCHES NOMINAL IN |
| Base Length | 1.2500 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 3130-00-805-6531 is a Bearing Unit,ball, manufactured by Timken Co Div the Timken Company, classified under FSC 3130 (No Item Name Available). Status: cancelled.
NSN 3130-00-805-6531 has 2 cross-referenced part numbers: PB3/4 (Timken Co Div the Timken Company), 64502 (Altra Industrial Motion Corp.).
There are 8 known substitutes for 3130-00-805-6531: 3130-00-108-0677, 6150-00-113-6590, 5305-00-138-4617 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for PB3/4: Base Thickness: 0.1000 INCHES NOMINAL IN; Shaft End Type: OPEN; Rotating Element Locking Method: SETSCREW LOCKING COLLAR; Seal Type: CONTACT. 26 total characteristics are documented in the Federal Logistics Information System.
NSN 3130-00-805-6531 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.