The Bearing Unit,ball, cataloged under National Stock Number 3130-01-017-4311, 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 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-017-4311 |
| Primary Part Number | RR 1 5/8 |
| Item Name | Bearing Unit,ball |
| FSC / FSG | 3130 / 31 — No Item Name Available |
| Manufacturer | Timken Co Div the Timken Company |
| Status | ACTIVE |
| Lubrication Material | GREASE |
| Seal Location | BOTH ENDS |
| Block Type | FIXED |
| Features Provided | GROUND ROLLING ELEMENT GROOVE |
| Bore Diameter | 1.6250 INCHES NOMINAL IN |
| Load Capability Type | RADIAL AND THRUST |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE BEARING |
| Material | STEEL COMP E52100 BEARING |
| Assembly Overall Length | 2.2188 INCHES NOMINAL IN |
| Rotating Element Locking Method | SETSCREW LOCKING COLLAR |
| Seal Type | CONTACT |
| Mounting Hole Width | 0.5262 INCHES MINIMUM AND 0.5362 INCHES MAXIMUM IN |
| Style Designator | FLANGE BLOCK |
| Housing Diameter | 5.8750 INCHES NOMINAL IN |
| Housing Length | 0.8750 INCHES NOMINAL IN |
| Collar Location | ONE END |
| Material | RUBBER SEAL |
| Rolling Element Groove Quantity | 1 |
| Alignment Type | SELF-ALIGNING |
| Shaft End Type | OPEN |
| Internal Fit-Up Designation | STANDARD |
| Mounting Hole Type | SQUARE |
| Bolt Circle Diameter | 4.7500 INCHES NOMINAL IN |
| Flange Thickness | 0.2680 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| RR 1 5/8 PRIMARY | Timken Co Div the Timken Company (USA) |
NSN 3130-01-017-4311 is a Bearing Unit,ball, manufactured by Timken Co Div the Timken Company, classified under FSC 3130 (No Item Name Available). Status: active.
NSN 3130-01-017-4311 has 1 cross-referenced part number: RR 1 5/8 (Timken Co Div the Timken Company).
There is 1 known substitute for 3130-01-017-4311: 2920-00-816-4578. Verify interchangeability with system specifications before substitution.
Key specifications for RR 1 5/8: Lubrication Material: GREASE; Seal Location: BOTH ENDS; Block Type: FIXED; Features Provided: GROUND ROLLING ELEMENT GROOVE. 25 total characteristics are documented in the Federal Logistics Information System.