PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M8121XBearing,roller,needle

Timken Aerospace, Inc Dba Torrington Product · NSN 3110-00-108-7953 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-108-7953 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-108-7953. Primary manufacturer part number: M8121X.
Features
  • Bearing,roller,needle — FSC 3110
  • Bore Diameter: 0.5000 INCHES NOMINAL IN
  • Standard Tolerance Designation: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
  • Overall Outside Diameter: 0.6880 INCHES NOMINAL IN
  • Alignment Type: RIGID
  • 11 verified cross-references
  • Primary manufacturer: Timken Aerospace, Inc Dba Torrington Product
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,roller,needle, cataloged under National Stock Number 3110-00-108-7953, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Timken Aerospace, Inc Dba Torrington Product. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-108-7953
Primary Part NumberM8121X
Item NameBearing,roller,needle
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Aerospace, Inc Dba Torrington Product
StatusACTIVE
Bore Diameter0.5000 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
Overall Outside Diameter0.6880 INCHES NOMINAL IN
Alignment TypeRIGID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2910-00-356-130222084 INTERCHANGEABLE
Brace,air Cleaner E
Briggs and Stratton Corp
3110-00-902-1672 INTERCHANGEABLE
Bearing,roller,needle
5945-00-983-8577BR14Y4A2-26VDC INTERCHANGEABLE
Relay,electromagnetic
Microsemi Corp.-Power Management Group
6145-01-089-2651 INTERCHANGEABLE
Cable,power,electrical
4730-01-284-912322279 INTERCHANGEABLE
Cap,tube
Schneider Metal Mfg Co Inc Ross Temp Div
Cross-Reference Index
Part NumberManufacturer
709481 CAGE 00000
M8121X PRIMARY Timken Aerospace, Inc Dba Torrington Product (USA)
173520 General Motors Corp (USA)
60342P940 PRIMARY Patterson Pump Co Div Patterson Pump Company (USA)
60642P940 PRIMARY Patterson Pump Co Div Patterson Pump Company (USA)
173520 General Motors Llc Dba General Motors Llc (USA)
22279 PRIMARY Black and Decker Us Inc (USA)
60291P940 PRIMARY Patterson Pump Co Div Patterson Pump Company (USA)
60395P940 PRIMARY Patterson Pump Co Div Patterson Pump Company (USA)
173537 General Motors Llc Dba General Motors Llc (USA)
173537 General Motors Corp (USA)
Related Parts
2910-00-356-1302INTERCHANGEABLE
BRACE,AIR CLEANER E
22084
3110-00-902-1672INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
5945-00-983-8577INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
BR14Y4A2-26VDC
6145-01-089-2651INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
4730-01-284-9123INTERCHANGEABLE
CAP,TUBE
22279

Frequently Asked Questions

What is NSN 3110-00-108-7953?

NSN 3110-00-108-7953 is a Bearing,roller,needle, manufactured by Timken Aerospace, Inc Dba Torrington Product, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-108-7953?

NSN 3110-00-108-7953 has 11 cross-referenced part numbers: 709481, M8121X (Timken Aerospace, Inc Dba Torrington Product), 173520 (General Motors Corp), 60342P940 (Patterson Pump Co Div Patterson Pump Company), 60642P940 (Patterson Pump Co Div Patterson Pump Company) and 6 more.

What NSN replaces 3110-00-108-7953?

There are 5 known substitutes for 3110-00-108-7953: 2910-00-356-1302, 3110-00-902-1672, 5945-00-983-8577 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M8121X?

Key specifications for M8121X: Bore Diameter: 0.5000 INCHES NOMINAL IN; Standard Tolerance Designation: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS; Overall Outside Diameter: 0.6880 INCHES NOMINAL IN; Alignment Type: RIGID. 4 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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