NSN 3120-01-070-2146 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-070-2146. Manufacturer of record part number: KR20-CNB.
Inner Member Width: 1.0910 INCHES MINIMUM AND 1.0930 INCHES MAXIMUM IN
Outer Member Width: 0.9370 INCHES MINIMUM AND 0.9470 INCHES MAXIMUM IN
Style Designator: WITH INSERT AND/OR LINER
Static Radial Load Rating: 108000 POUNDS LBS
Bore Diameter: 1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
Outer Member Outside Diameter: 1.9995 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN
1 manufacturer part number on file
Identification
NSN: 3120-01-070-2146
NIIN: 010702146
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
Primary part number: KR20-CNB
Manufacturer: Kamatics Corporation
General Description
The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-01-070-2146, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Kamatics Corporation. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3120-01-070-2146
Primary Part Number
KR20-CNB
Item Name
Bearing,plain,self-Aligning
FSC / FSG
3120 / 31 — Bearings, Plain, Unmounted
Manufacturer
Kamatics Corporation
Status
ACTIVE
Inner Member Width
1.0910 INCHES MINIMUM AND 1.0930 INCHES MAXIMUM IN
Outer Member Width
0.9370 INCHES MINIMUM AND 0.9470 INCHES MAXIMUM IN
Style Designator
WITH INSERT AND/OR LINER
Static Radial Load Rating
108000 POUNDS LBS
Bore Diameter
1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
Outer Member Outside Diameter
1.9995 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN
Other items in FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288
3120-00-001-1288 · Item name not on file
3120-00-001-1835
3120-00-001-1835 · Item name not on file
3120-00-001-1838
3120-00-001-1838 · Item name not on file
3120-00-001-1928
3120-00-001-1928 · Item name not on file
3120-00-001-1934
3120-00-001-1934 · Item name not on file
3120-00-001-3933
3120-00-001-3933 · Item name not on file
3120-00-001-3937
3120-00-001-3937 · Item name not on file
3120-00-001-3938
3120-00-001-3938 · Item name not on file
Frequently Asked Questions
What is NSN 3120-01-070-2146?
NSN 3120-01-070-2146 is a Bearing,plain,self-Aligning, manufactured by Kamatics Corporation, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What part numbers are listed for NSN 3120-01-070-2146?
NSN 3120-01-070-2146 has 1 manufacturer part number on file: KR20-CNB (Kamatics Corporation).
What are the specifications of KR20-CNB?
Key specifications for KR20-CNB: Inner Member Width: 1.0910 INCHES MINIMUM AND 1.0930 INCHES MAXIMUM IN; Outer Member Width: 0.9370 INCHES MINIMUM AND 0.9470 INCHES MAXIMUM IN; Style Designator: WITH INSERT AND/OR LINER; Special Features: OUTER RACE MEMBER HARDNESS RATING ROCKWELL C SCALE 23.0 MIN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 3120-01-070-2146 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.