PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8M8 68Bearing,ball,annular

Caterpillar Inc Div Caterpillar Defense · NSN 3110-00-156-7587 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-7587 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-7587. Primary manufacturer part number: 8M8 68.
Features
  • Bearing,ball,annular — FSC 3110
  • Overall Outside Diameter: 130.00 MILLIMETERS NOMINAL MM
  • Load Direction: ANGULAR
  • Contact Angle: 25.0 DEGREES MAXIMUM
  • Material: STEEL OVERALL
  • Style Designator: COUNTERBORED OUTER RING, NON-SEPARABLE
  • Material: STEEL OVERALL
  • Bore Shape: STRAIGHT
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 3110-00-156-7587, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 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
NSN3110-00-156-7587
Primary Part Number8M8 68
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Overall Outside Diameter130.00 MILLIMETERS NOMINAL MM
Load DirectionANGULAR
Contact Angle25.0 DEGREES MAXIMUM
MaterialSTEEL OVERALL
Style DesignatorCOUNTERBORED OUTER RING, NON-SEPARABLE
MaterialSTEEL OVERALL
Bore ShapeSTRAIGHT
Retainer Fabrication MethodPRESSED
Load DirectionANGULAR
Bore ShapeSTRAIGHT
Standard Tolerance DesignationABEC NO.1
Contact Angle25.0 DEGREES MAXIMUM
Surface FinishGROUND
Style DesignatorCOUNTERBORED OUTER RING, NON-SEPARABLE
Standard Tolerance DesignationABEC NO.1
Bore Diameter75.00 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6670-00-173-72213600 INTERCHANGEABLE
Scale,weighing
Ohaus Corporation
5365-00-197-5284390006PC215 INTERCHANGEABLE
Shim
Naval Ship Systems Command
4320-00-398-871810537 INTERCHANGEABLE
Guard,valve
Rps-Fl, Inc. Dba Rps Inc
3110-00-554-5968 INTERCHANGEABLE
Bearing,ball,annular
1560-00-674-687010537 INTERCHANGEABLE
Strut Assembly,long
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
3810-00-763-061620215 INTERCHANGEABLE
Outrigger,crane
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
4730-00-803-2007145F-4-4 INTERCHANGEABLE
Tee,pipe to Tube
Staver Hydraulics Co., Inc. Dba Lehigh Gasket
5310-01-053-08431053-7 INTERCHANGEABLE
Washer Metallic
Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
5961-01-169-6511 INTERCHANGEABLE
Semiconductor Device,diode
5365-01-248-269420215 INTERCHANGEABLE
Plug,machine Thread,magnetic
Pneudraulics, Inc.
Cross-Reference Index
Part NumberManufacturer
7215C15X9 Nsk Corp Bearing Div (USA)
20215 General Motors Corp (USA)
700255 Army Weapons Command Attn Amswe-Ree-S (USA)
20215 General Motors Corp Delco Moraine Ndh Div (USA)
1B4103 Caterpillar Inc Div Caterpillar Defense (USA)
273829-222 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
10537 Hyster-Yale Group, Inc. (USA)
215AC Federal-Mogul Corp Government Sales Dept (USA)
8M8 68 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
7215W Timken Co Div the Timken Company (USA)
319696-526 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
6670-00-173-7221INTERCHANGEABLE
SCALE,WEIGHING
3600
5365-00-197-5284INTERCHANGEABLE
SHIM
390006PC215
4320-00-398-8718INTERCHANGEABLE
GUARD,VALVE
10537
3110-00-554-5968INTERCHANGEABLE
BEARING,BALL,ANNULAR
1560-00-674-6870INTERCHANGEABLE
STRUT ASSEMBLY,LONG
10537
3810-00-763-0616INTERCHANGEABLE
OUTRIGGER,CRANE
20215
4730-00-803-2007INTERCHANGEABLE
TEE,PIPE TO TUBE
145F-4-4
5310-01-053-0843INTERCHANGEABLE
WASHER METALLIC
1053-7
5961-01-169-6511INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5365-01-248-2694INTERCHANGEABLE
PLUG,MACHINE THREAD,MAGNETIC
20215
5310-01-251-0879INTERCHANGEABLE
WASHER,FLAT
4730-01-281-9337INTERCHANGEABLE
MANIFOLD,HYDRAULIC SYSTEM ACCESS
10537

Frequently Asked Questions

What is NSN 3110-00-156-7587?

NSN 3110-00-156-7587 is a Bearing,ball,annular, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-156-7587?

NSN 3110-00-156-7587 has 11 cross-referenced part numbers: 7215C15X9 (Nsk Corp Bearing Div), 20215 (General Motors Corp), 700255 (Army Weapons Command Attn Amswe-Ree-S), 20215 (General Motors Corp Delco Moraine Ndh Div), 1B4103 (Caterpillar Inc Div Caterpillar Defense) and 6 more.

What NSN replaces 3110-00-156-7587?

There are 12 known substitutes for 3110-00-156-7587: 6670-00-173-7221, 5365-00-197-5284, 4320-00-398-8718 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8M8 68?

Key specifications for 8M8 68: Overall Width: 25.0 MILLIMETERS NOMINAL MM; Overall Outside Diameter: 130.00 MILLIMETERS NOMINAL MM; Load Direction: ANGULAR; Contact Angle: 25.0 DEGREES MAXIMUM. 17 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com