PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1B3921Cone and Rollers,tapered Roller

Caterpillar Inc Div Caterpillar Defense · NSN 3110-00-100-0285 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-0285 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-0285. Primary manufacturer part number: 1B3921.
Features
  • Cone and Rollers,tapered Roller — FSC 3110
  • Cone Corner Radius: 0.1410 INCHES NOMINAL IN
  • Bore Diameter: 2.7500 INCHES NOMINAL IN
  • Style Designator: NORMAL ANGLE
  • Cone Width: 1.4240 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Standard Tolerance Designation: AFBMA CLASS 2
  • 31 verified cross-references
Applications
  • Applications requiring Steel Overall construction
General Description

The Cone and Rollers,tapered Roller, cataloged under National Stock Number 3110-00-100-0285, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 31 commercial cross-references from 29 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-100-0285
Primary Part Number1B3921
Item NameCone and Rollers,tapered Roller
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Cone Corner Radius0.1410 INCHES NOMINAL IN
Bore Diameter2.7500 INCHES NOMINAL IN
Style DesignatorNORMAL ANGLE
Cone Width1.4240 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Standard Tolerance DesignationAFBMA CLASS 2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3610-00-045-1631 INTERCHANGEABLE
Feeder
2090-00-082-103356-6 INTERCHANGEABLE
Blade,windshield Wiper
Cornell-Carr Co., Inc.
5940-00-082-4952566 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
2010-00-213-0749 INTERCHANGEABLE
Staves,bearing
2530-00-453-59771-8144 INTERCHANGEABLE
Brake,munitions Tra
Pdi Ground Support Systems, Inc.
5340-00-497-34541809 3-4 INTERCHANGEABLE
Catch,clamping
Emhart Industries Inc Corbin Cabinet Lock Hardware Div
1680-00-540-9666665 INTERCHANGEABLE
Seat,aircraft
Ami Industries, Inc Div Utc Aerospace Systems
5961-00-574-393618-144 INTERCHANGEABLE
Transistor
Raytheon Company Dba Raytheon Co
1005-00-603-8601 INTERCHANGEABLE
Knob,windage,rear S
5935-00-783-2874S66TH INTERCHANGEABLE
Adapter,connector
Simmonds Precision Products Inc
Cross-Reference Index
Part NumberManufacturer
K566 Skf France (FRA)
MA1610 Allis-Chalmers Corp (USA)
425074 Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co (USA)
1B3921 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
566 Diamond Reo Truck Co (USA)
566 PRIMARY Rbc Bearings Incorporated Div West Trenton Division (USA)
425074 American Standard Inc Westinghouse Air Brake Co Div (USA)
MA1610 Itt Goulds Pumps, Inc. (USA)
4B0157 Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA)
62AX182 Mack Trucks Inc (USA)
566 Kaitlin Corp (USA)
566 Corbitt Co Inc (USA)
566 Arrow-Master, Incorporated (USA)
566 PRIMARY The Timken Corporation (USA)
5P1003 Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co (USA)
181-44 Napco International Llc Dba Napco International Inc (USA)
566 The Timken Company (FRA)
13277DC Navistar Intl Corp Truck Br Ohio Plant (USA)
566 Meritor Heavy Vehicle Systems, Llc (USA)
SFP2018 Kingham Trailer Co (USA)
Related Parts
3610-00-045-1631INTERCHANGEABLE
FEEDER
2090-00-082-1033INTERCHANGEABLE
BLADE,WINDSHIELD WIPER
56-6
5940-00-082-4952INTERCHANGEABLE
TERMINAL,LUG
566
2010-00-213-0749INTERCHANGEABLE
STAVES,BEARING
2530-00-453-5977INTERCHANGEABLE
BRAKE,MUNITIONS TRA
1-8144
5340-00-497-3454INTERCHANGEABLE
CATCH,CLAMPING
1809 3-4
1680-00-540-9666INTERCHANGEABLE
SEAT,AIRCRAFT
665
5961-00-574-3936INTERCHANGEABLE
TRANSISTOR
18-144
1005-00-603-8601INTERCHANGEABLE
KNOB,WINDAGE,REAR S
5935-00-783-2874INTERCHANGEABLE
ADAPTER,CONNECTOR
S66TH
3120-00-887-9171INTERCHANGEABLE
BUSHING,SLEEVE
K20973
5315-00-922-5858INTERCHANGEABLE
PIN,STRAIGHT,HEADED
18144

Frequently Asked Questions

What is NSN 3110-00-100-0285?

NSN 3110-00-100-0285 is a Cone and Rollers,tapered Roller, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-100-0285?

NSN 3110-00-100-0285 has 31 cross-referenced part numbers: K566 (Skf France), MA1610 (Allis-Chalmers Corp), 425074 (Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co), 1B3921 (Caterpillar Inc Div Caterpillar Defense), 566 (Diamond Reo Truck Co) and 26 more.

What NSN replaces 3110-00-100-0285?

There are 12 known substitutes for 3110-00-100-0285: 3610-00-045-1631, 2090-00-082-1033, 5940-00-082-4952 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1B3921?

Key specifications for 1B3921: Cone Corner Radius: 0.1410 INCHES NOMINAL IN; Bore Diameter: 2.7500 INCHES NOMINAL IN; Style Designator: NORMAL ANGLE; Cone Width: 1.4240 INCHES NOMINAL IN. 6 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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