PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4000185Bearing,roller,cylindrical

Skf Usa Inc. · NSN 3110-00-416-9421 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-416-9421 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-416-9421. Primary manufacturer part number: 4000185.
Features
  • Bearing,roller,cylindrical — FSC 3110
  • Surface Finish: GROUND
  • Locating Feature: NONLOCATING
  • Retainer Fabrication Method: MACHINED
  • Style Designator: SINGLE ROW, CYLINDRICAL ROLLERS, TWO-DIRECTION LOCATING, SPLIT OUTER RING, INNER AND OUTER RINGS GROOVED FOR FOUR POINT ROLLER CONTACT, SEPARABLE
  • Precious Material: SILVER
  • Material Document and Classification: PWA-725,97497 MFR REF 3RD MATERIAL RESPONSE ROLLER
  • Material: STEEL COMP 4340 RETAINER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 4340 Retainer construction
General Description

The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-00-416-9421, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Skf Usa Inc.. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-416-9421
Primary Part Number4000185
Item NameBearing,roller,cylindrical
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusACTIVE
Surface FinishGROUND
Locating FeatureNONLOCATING
Retainer Fabrication MethodMACHINED
Style DesignatorSINGLE ROW, CYLINDRICAL ROLLERS, TWO-DIRECTION LOCATING, SPLIT OUTER RING, INNER AND OUTER RINGS GROOVED FOR FOUR POINT ROLLER CONTACT, SEPARABLE
Precious MaterialSILVER
Material Document and ClassificationPWA-725,97497 MFR REF 3RD MATERIAL RESPONSE ROLLER
MaterialSTEEL COMP 4340 RETAINER
MaterialSTEEL OUTER RING
Material Document and ClassificationPWA-725,97497 MFR REF 2ND MATERIAL RESPONSE OUTER RING
MaterialSTEEL ROLLER
MaterialSTEEL INNER RING
Material Document and ClassificationPWA-725,97497 MFR REF 1ST MATERIAL RESPONSE INNER RING
Overall Outside Diameter8.8578 INCHES MINIMUM AND 8.8583 INCHES MAXIMUM IN
Bore Diameter6.4957 INCHES MINIMUM AND 6.4961 INCHES MAXIMUM IN
Internal Clearance0.0053 INCHES MINIMUM RADIAL AND 0.0063 INCHES MAXIMUM RADIAL IN
Standard Tolerance DesignationRBEC NO.5
Bore ShapeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2520-01-036-07964003833 INTERCHANGEABLE
Clutch Assembly,friction
Funk Mfg Co Sub of Deere and Co
3030-01-565-581740001-85 INTERCHANGEABLE
Belt,positive Drive
Harley Davidson Motor Co Inc
6150-01-630-5614986 1041 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Hiab Usa Inc
2590-01-714-4321400-0185 INTERCHANGEABLE
Bracket,vehicular Components
Critical Solutions International, Llc
Cross-Reference Index
Part NumberManufacturer
4035598 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
4000185 PRIMARY Skf Usa Inc. (USA)
4023319 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
4000185 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
4023319 Timken Co Div the Timken Company (USA)
4053498 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
2520-01-036-0796INTERCHANGEABLE
CLUTCH ASSEMBLY,FRICTION
4003833
3030-01-565-5817INTERCHANGEABLE
BELT,POSITIVE DRIVE
40001-85
6150-01-630-5614INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
986 1041
2590-01-714-4321INTERCHANGEABLE
BRACKET,VEHICULAR COMPONENTS
400-0185

Frequently Asked Questions

What is NSN 3110-00-416-9421?

NSN 3110-00-416-9421 is a Bearing,roller,cylindrical, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-416-9421?

NSN 3110-00-416-9421 has 6 cross-referenced part numbers: 4035598 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4000185 (Skf Usa Inc.), 4023319 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4000185 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4023319 (Timken Co Div the Timken Company) and 1 more.

What NSN replaces 3110-00-416-9421?

There are 4 known substitutes for 3110-00-416-9421: 2520-01-036-0796, 3030-01-565-5817, 6150-01-630-5614 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4000185?

Key specifications for 4000185: Surface Finish: GROUND; Locating Feature: NONLOCATING; Retainer Fabrication Method: MACHINED; Special Features: SILVER PLATE CAGE ROLLER POCKETS AND LAND RIDING SURF PER AMS 2412 0.001-0.002 THK,BAKE AT 475-500F. 19 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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