PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

612Cup,tapered Roller Bearing

Rbc Bearings Incorporated Div West Trenton Division · NSN 3110-00-100-0331 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-0331 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-0331. Primary manufacturer part number: 612.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Backface Corner Radius: 0.1250 INCHES NOMINAL IN
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Material: STEEL OVERALL
  • Outside Diameter: 4.7500 INCHES NOMINAL IN
  • Style Designator: NORMAL ANGLE
  • 50 verified cross-references
  • Primary manufacturer: Rbc Bearings Incorporated Div West Trenton Division
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Cup,tapered Roller Bearing, cataloged under National Stock Number 3110-00-100-0331, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rbc Bearings Incorporated Div West Trenton Division. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 38 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-100-0331
Primary Part Number612
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerRbc Bearings Incorporated Div West Trenton Division
StatusCANCELLED
Backface Corner Radius0.1250 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA CLASS 2
MaterialSTEEL OVERALL
Outside Diameter4.7500 INCHES NOMINAL IN
Style DesignatorNORMAL ANGLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5342-00-055-264221158-1 INTERCHANGEABLE
Mount,resilient,weapon System
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
5330-00-073-3342 INTERCHANGEABLE
Gasket
3110-00-100-3149 INTERCHANGEABLE
Cone and Rollers,tapered Roller
5965-00-113-5185 INTERCHANGEABLE
Headset-Microphone
5805-00-166-501193-085 INTERCHANGEABLE
Generator,ringing,static
Charles Industries, Llc Div Telecom
5340-00-200-7086466-12 INTERCHANGEABLE
Bumper
Hamilton Sundstrand Corporation
4810-00-203-937630-052 INTERCHANGEABLE
Valve,gate
Hydro-Aire Aerospace Corp
3030-00-224-83580408030 INTERCHANGEABLE
Belting,v,adjustable Link
Fenner America Inc Fenner Manheim Div
6625-00-241-2311BT-102 INTERCHANGEABLE
Test Set,battery
Hoyt Electrical Instrument Works, Inc. Dba Hoyt Electrical Instrument Works Inc
5342-00-245-47213005-3 INTERCHANGEABLE
Dust Plug,chain
Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division
Cross-Reference Index
Part NumberManufacturer
36601H Navistar International Corporation Dba Navistar (USA)
612 Tyson Bearing Co Div Skf Industries Inc (USA)
93085 White Motor Corp (USA)
211581 General Motors Corp (USA)
46612 Diamond Reo Truck Co (USA)
30053 Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA)
A42486X White Motor Corp (USA)
612 Federal-Mogul Corp Government Sales Dept (USA)
1B5846 White Motor Corp (USA)
17G88 Oshkosh Corp (USA)
612 Arrow-Master, Incorporated (USA)
30053 Hyster-Yale Group, Inc. (USA)
612 Nsk Corp Bearing Div (USA)
142321 General Motors Corp (USA)
0042896-1 New Holland Construction (USA)
426519 Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co (USA)
612 Diamond Reo Truck Co (USA)
612 Corbitt Co Inc (USA)
612 Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (USA)
03113-0632-3 S/N 131122/13112363 Timken Gears & Services Inc. Div Philadelphia Gear (USA)
Related Parts
5342-00-055-2642INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
21158-1
5330-00-073-3342INTERCHANGEABLE
GASKET
3110-00-100-3149INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
5965-00-113-5185INTERCHANGEABLE
HEADSET-MICROPHONE
5805-00-166-5011INTERCHANGEABLE
GENERATOR,RINGING,STATIC
93-085
5340-00-200-7086INTERCHANGEABLE
BUMPER
466-12
4810-00-203-9376INTERCHANGEABLE
VALVE,GATE
30-052
3030-00-224-8358INTERCHANGEABLE
BELTING,V,ADJUSTABLE LINK
0408030
6625-00-241-2311INTERCHANGEABLE
TEST SET,BATTERY
BT-102
5342-00-245-4721INTERCHANGEABLE
DUST PLUG,CHAIN
3005-3
2530-00-248-3594INTERCHANGEABLE
HUB CAP,WHEEL
236041R11
2825-00-390-4064INTERCHANGEABLE
STEM AND HEAD,VALVE
32564AND31341

Frequently Asked Questions

What is NSN 3110-00-100-0331?

NSN 3110-00-100-0331 is a Cup,tapered Roller Bearing, manufactured by Rbc Bearings Incorporated Div West Trenton Division, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-100-0331?

NSN 3110-00-100-0331 has 50 cross-referenced part numbers: 36601H (Navistar International Corporation Dba Navistar), 612 (Tyson Bearing Co Div Skf Industries Inc), 93085 (White Motor Corp), 211581 (General Motors Corp), 46612 (Diamond Reo Truck Co) and 45 more.

What NSN replaces 3110-00-100-0331?

There are 12 known substitutes for 3110-00-100-0331: 5342-00-055-2642, 5330-00-073-3342, 3110-00-100-3149 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 612?

Key specifications for 612: End Item Identification: MRAP BUFFALO MK2A2; Backface Corner Radius: 0.1250 INCHES NOMINAL IN; Standard Tolerance Designation: AFBMA CLASS 2; Material: STEEL OVERALL. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-100-0331 still in active supply?

NSN 3110-00-100-0331 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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