The Bearing Unit,ball, cataloged under National Stock Number 3130-01-170-3207, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Ketchie-Houston, Inc. Government technical data includes 28 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-170-3207 |
| Primary Part Number | KH-2271-1A |
| Item Name | Bearing Unit,ball |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Ketchie-Houston, Inc |
| Status | ACTIVE |
| Lubrication Material | GREASE OR OIL |
| Lubrication Fitting Type | CUP |
| Assembly Overall Length | 7.0000 INCHES NOMINAL IN |
| Housing Height | 9.1250 INCHES NOMINAL IN |
| Mounting Slot Length | 1.2500 INCHES NOMINAL IN |
| Internal Fit-Up Designation | STANDARD |
| Mounting Hole Type | SLOTTED |
| Rotating Element Locking Method | ECCENTRIC CAM LOCKING COLLAR |
| Block Type | FIXED |
| Style Designator | PILLOW BLOCK, SOLID |
| Collar Location | ONE END |
| Features Provided | GROUND ROLLING ELEMENT GROOVE |
| Center to Center Distance Between Mounting Holes Along Width | 12.3750 INCHES NOMINAL IN |
| Housing Width | 15.3750 INCHES NOMINAL IN |
| Base Length | 4.3750 INCHES NOMINAL IN |
| Alignment Type | SELF-ALIGNING |
| Rolling Element Groove Quantity | 2 |
| Shaft End Type | CLOSED OR OPEN |
| Base Thickness | 1.2500 INCHES NOMINAL IN |
| Bore Diameter | 2.9375 INCHES NOMINAL IN |
| Material | IRON CAST HOUSING |
| Material | STEEL BEARING |
| Material | STEEL COLLAR |
| Housing Length | 7.0000 INCHES NOMINAL IN |
| Height From Bottom of Base to Bore Centerline | 4.5625 INCHES NOMINAL IN |
| Lubrication Fitting Angle From Horizontal Centerline | 90.0 DEGREES NOMINAL |
| Load Capability Type | RADIAL |
| Mounting Slot Width | 1.0000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| KH-2271-1A PRIMARY | Ketchie-Houston, Inc (USA) |
| SAOL2 15/16FX | Timken Co Div the Timken Company (USA) |
NSN 3130-01-170-3207 is a Bearing Unit,ball, manufactured by Ketchie-Houston, Inc, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-170-3207 has 2 manufacturer part numbers on file: KH-2271-1A (Ketchie-Houston, Inc), SAOL2 15/16FX (Timken Co Div the Timken Company).
Key specifications for KH-2271-1A: Lubrication Material: GREASE OR OIL; Lubrication Fitting Type: CUP; Assembly Overall Length: 7.0000 INCHES NOMINAL IN; Housing Height: 9.1250 INCHES NOMINAL IN. 28 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.