PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1187Bearing,ball,annular

Skf Usa Inc. · NSN 3110-00-686-1116 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-686-1116 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-686-1116. Primary manufacturer part number: 1187.
Features
  • Bearing,ball,annular — FSC 3110
  • Surface Finish: GROUND
  • Style Designator: COUNTERBORED OUTER RING, NON-SEPARABLE
  • Material: STEEL OVERALL
  • Internal Clearance: 0.0005 INCHES MINIMUM RADIAL AND 0.0011 INCHES MAXIMUM RADIAL IN
  • Standard Tolerance Designation: ABEC NO.5
  • Bore Diameter: 35.00 MILLIMETERS NOMINAL MM
  • Load Direction: RADIAL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-686-1116, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 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
NSN3110-00-686-1116
Primary Part Number1187
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusACTIVE
Surface FinishGROUND
Style DesignatorCOUNTERBORED OUTER RING, NON-SEPARABLE
MaterialSTEEL OVERALL
Internal Clearance0.0005 INCHES MINIMUM RADIAL AND 0.0011 INCHES MAXIMUM RADIAL IN
Standard Tolerance DesignationABEC NO.5
Bore Diameter35.00 MILLIMETERS NOMINAL MM
Load DirectionRADIAL
Retainer Fabrication MethodPRESSED
Overall Outside Diameter100.00 MILLIMETERS NOMINAL MM
Bore ShapeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-042-67590164-12 INTERCHANGEABLE
Washer,lock
Lockheed Martin Corporation Div Rms
5961-00-058-4171578R138H01 INTERCHANGEABLE
Transistor
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5330-00-118-91981187 INTERCHANGEABLE
Gasket
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
8455-00-132-5014 INTERCHANGEABLE
Insignia,shoulder Sleeve
3110-00-144-8658 INTERCHANGEABLE
Bearing,ball,annular
8455-00-255-3110 INTERCHANGEABLE
Insignia,shoulder Sleeve
2805-00-270-3430169204 INTERCHANGEABLE
Valve,poppet,engine
Heil Environmental Industries
6640-00-272-3522 INTERCHANGEABLE
Bath,constant Temperature
5310-00-275-1785502A2-28 INTERCHANGEABLE
Nut,plain,hexagon
Rex Systems Incorporated Dba Rex Systems Inc
5305-00-286-89671187 INTERCHANGEABLE
Screw,machine
Lucent Technologies Inc Corporate Headquarters
Cross-Reference Index
Part NumberManufacturer
A1187REVC Coffin Turbo Pump Inc (USA)
A1187 Coffin Turbo Pump Inc (USA)
407R1 Skf Usa Inc. (USA)
A1148 Skf Usa Inc. (USA)
1187 PRIMARY Skf Usa Inc. (USA)
1187 PRIMARY Coffin Turbo Pump Inc (USA)
Related Parts
5310-00-042-6759INTERCHANGEABLE
WASHER,LOCK
0164-12
5961-00-058-4171INTERCHANGEABLE
TRANSISTOR
578R138H01
5330-00-118-9198INTERCHANGEABLE
GASKET
1187
8455-00-132-5014INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
3110-00-144-8658INTERCHANGEABLE
BEARING,BALL,ANNULAR
8455-00-255-3110INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
2805-00-270-3430INTERCHANGEABLE
VALVE,POPPET,ENGINE
169204
6640-00-272-3522INTERCHANGEABLE
BATH,CONSTANT TEMPERATURE
5310-00-275-1785INTERCHANGEABLE
NUT,PLAIN,HEXAGON
502A2-28
5305-00-286-8967INTERCHANGEABLE
SCREW,MACHINE
1187
2520-00-360-8129INTERCHANGEABLE
CASE,TRANSMISSION ASSEMBLY
A1148
5961-00-605-7798INTERCHANGEABLE
TRANSISTOR
A1148

Frequently Asked Questions

What is NSN 3110-00-686-1116?

NSN 3110-00-686-1116 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-686-1116?

NSN 3110-00-686-1116 has 6 cross-referenced part numbers: A1187REVC (Coffin Turbo Pump Inc), A1187 (Coffin Turbo Pump Inc), 407R1 (Skf Usa Inc.), A1148 (Skf Usa Inc.), 1187 (Skf Usa Inc.) and 1 more.

What NSN replaces 3110-00-686-1116?

There are 12 known substitutes for 3110-00-686-1116: 5310-00-042-6759, 5961-00-058-4171, 5330-00-118-9198 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1187?

Key specifications for 1187: Surface Finish: GROUND; Overall Width: 25.0 MILLIMETERS NOMINAL MM; Style Designator: COUNTERBORED OUTER RING, NON-SEPARABLE; Material: STEEL OVERALL. 11 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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