The Bearing Unit,ball, cataloged under National Stock Number 3130-01-025-1740, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Carrier Corp. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-025-1740 |
| Primary Part Number | KT63CZ190 |
| Item Name | Bearing Unit,ball |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Carrier Corp |
| Status | ACTIVE |
| Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Lubrication Fitting Type | HYDRAULIC |
| Assembly Overall Length | 2.6875 INCHES NOMINAL IN |
| Housing Height | 6.0625 INCHES NOMINAL IN |
| Mounting Slot Length | 1.1875 INCHES NOMINAL IN |
| Internal Fit-Up Designation | STANDARD |
| Mounting Hole Type | SLOTTED |
| Rotating Element Locking Method | SETSCREW LOCKING COLLAR |
| Seal Location | BOTH ENDS |
| 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 | 8.0000 INCHES NOMINAL IN |
| Housing Width | 10.1250 INCHES NOMINAL IN |
| Base Length | 2.6250 INCHES NOMINAL IN |
| Alignment Type | SELF-ALIGNING |
| Rolling Element Groove Quantity | 1 |
| Shaft End Type | OPEN |
| Base Thickness | 1.1250 INCHES NOMINAL IN |
| Bore Diameter | 2.6875 INCHES NOMINAL IN |
| Material | IRON CAST HOUSING |
| Material | STEEL RETAINER |
| Material | STEEL SEAL |
| Material | STEEL BEARING |
| Height From Bottom of Base to Bore Centerline | 3.0000 INCHES NOMINAL IN |
| Lubrication Material Document and Classification | P+80-15 FSCM 10855 MFR REF SINGLE MATERIAL RESPONSE |
| Lubrication Fitting Angle From Horizontal Centerline | 45.0 DEGREES NOMINAL |
| Load Capability Type | RADIAL AND THRUST |
| 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 |
|---|---|
| KT63CZ190 PRIMARY | Carrier Corp (USA) |
| SY211 | Skf Usa Inc. (USA) |
| RAK2 11/16 | Timken Co Div the Timken Company (USA) |
| P243K364 | Rexnord Industries, Llc Div Link-Belt Bearing Operation (USA) |
NSN 3130-01-025-1740 is a Bearing Unit,ball, manufactured by Carrier Corp, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-025-1740 has 4 manufacturer part numbers on file: KT63CZ190 (Carrier Corp), SY211 (Skf Usa Inc.), RAK2 11/16 (Timken Co Div the Timken Company), P243K364 (Rexnord Industries, Llc Div Link-Belt Bearing Operation).
Key specifications for KT63CZ190: Seal Type: CONTACT; Lubrication Material: GREASE; Lubrication Fitting Type: HYDRAULIC; Assembly Overall Length: 2.6875 INCHES NOMINAL IN. 30 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.