PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42420-251Bearing,roller,needle

Jtekt Bearings North America Llc Div Kbna - Ord 1 · NSN 3110-00-004-3343 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-004-3343 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-004-3343. Primary manufacturer part number: 42420-251.
Features
  • Bearing,roller,needle — FSC 3110
  • Bore Diameter: 0.7500 INCHES NOMINAL IN
  • Style Designator: NON-SEPARABLE, OPEN END, DRAWN SHELL
  • Material: STEEL OVERALL
  • Alignment Type: RIGID
  • Surface Finish: GROUND
  • Overall Outside Diameter: 1.0000 INCHES NOMINAL IN
  • 7 verified cross-references
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,roller,needle, cataloged under National Stock Number 3110-00-004-3343, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Jtekt Bearings North America Llc Div Kbna - Ord 1. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-004-3343
Primary Part Number42420-251
Item NameBearing,roller,needle
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerJtekt Bearings North America Llc Div Kbna - Ord 1
StatusACTIVE
Bore Diameter0.7500 INCHES NOMINAL IN
Style DesignatorNON-SEPARABLE, OPEN END, DRAWN SHELL
MaterialSTEEL OVERALL
Alignment TypeRIGID
Surface FinishGROUND
Overall Outside Diameter1.0000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5925-00-047-3859B12-8 INTERCHANGEABLE
Thermal Release,circuit Breaker
Schneider Electric Usa, Inc. Dba Schneider Electric
3110-00-120-3086B-128 INTERCHANGEABLE
Bearing,roller,needle
Jtekt Bearings North America Llc Div Kbna - Ord 1
3030-00-529-0295 INTERCHANGEABLE
Belt,v
3030-00-640-4355 INTERCHANGEABLE
Belts,v,matched Set
3110-00-690-184447-140-238 INTERCHANGEABLE
Bearing,roller,needle
Timken Aerospace, Inc Dba Torrington Product
2940-01-239-611811-5703 INTERCHANGEABLE
Filter Element,fluid
Thermo King Corporation Dba Phoenix Global Distirbution.
5310-01-256-9257B12-8 INTERCHANGEABLE
Washer,flat
Roller Bearing Co of America, Inc Div Pic Design
4330-01-353-8067B128 INTERCHANGEABLE
Pneumatic Muffler,exhaust-Intake
Allied Witan Co Dba Alwitco
3110-01-494-9112 INTERCHANGEABLE
Bearing,roller,needle
Cross-Reference Index
Part NumberManufacturer
42420-251 Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
42420-251 Timken Aerospace, Inc Dba Torrington Product (USA)
42420-251 Goodrich Corporation Dba Trw Lucas Aerospace (USA)
42420-251 Triumph Gear Systems Inc Dba Triumph Gear Systems Inc (USA)
B-128 Timken Aerospace, Inc Dba Torrington Product (USA)
42420-251 PRIMARY Jtekt Bearings North America Llc Div Kbna - Ord 1 (USA)
M2607 Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
Related Parts
5925-00-047-3859INTERCHANGEABLE
THERMAL RELEASE,CIRCUIT BREAKER
B12-8
3110-00-120-3086INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
B-128
3030-00-529-0295INTERCHANGEABLE
BELT,V
3030-00-640-4355INTERCHANGEABLE
BELTS,V,MATCHED SET
3110-00-690-1844INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
47-140-238
2940-01-239-6118INTERCHANGEABLE
FILTER ELEMENT,FLUID
11-5703
5310-01-256-9257INTERCHANGEABLE
WASHER,FLAT
B12-8
4330-01-353-8067INTERCHANGEABLE
PNEUMATIC MUFFLER,EXHAUST-INTAKE
B128
3110-01-494-9112INTERCHANGEABLE
BEARING,ROLLER,NEEDLE

Frequently Asked Questions

What is NSN 3110-00-004-3343?

NSN 3110-00-004-3343 is a Bearing,roller,needle, manufactured by Jtekt Bearings North America Llc Div Kbna - Ord 1, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-004-3343?

NSN 3110-00-004-3343 has 7 cross-referenced part numbers: 42420-251 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 42420-251 (Timken Aerospace, Inc Dba Torrington Product), 42420-251 (Goodrich Corporation Dba Trw Lucas Aerospace), 42420-251 (Triumph Gear Systems Inc Dba Triumph Gear Systems Inc), B-128 (Timken Aerospace, Inc Dba Torrington Product) and 2 more.

What NSN replaces 3110-00-004-3343?

There are 9 known substitutes for 3110-00-004-3343: 5925-00-047-3859, 3110-00-120-3086, 3030-00-529-0295 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 42420-251?

Key specifications for 42420-251: Bore Diameter: 0.7500 INCHES NOMINAL IN; Style Designator: NON-SEPARABLE, OPEN END, DRAWN SHELL; Material: STEEL OVERALL; Alignment Type: RIGID. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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