PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MER-203KMA3PC20LO1Bearing,ball,annular

New Hampshire Ball Bearings Inc Div Hitech Division · NSN 3110-00-156-6753 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-6753 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-6753. Primary manufacturer part number: MER-203KMA3PC20LO1.
Features
  • Bearing,ball,annular — FSC 3110
  • Standard Tolerance Designation: ABEC NO.3
  • Load Direction: ANGULAR
  • Retainer Fabrication Method: PRESSED
  • Style Designator: COUNTERBORED OUTER RING, NON-SEPARABLE
  • Material: STEEL OVERALL
  • Style Designator: COUNTERBORED OUTER RING, NON-SEPARABLE
  • 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 3110-00-156-6753, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is New Hampshire Ball Bearings Inc Div Hitech Division. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-156-6753
Primary Part NumberMER-203KMA3PC20LO1
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerNew Hampshire Ball Bearings Inc Div Hitech Division
StatusACTIVE
Standard Tolerance DesignationABEC NO.3
Load DirectionANGULAR
Retainer Fabrication MethodPRESSED
Style DesignatorCOUNTERBORED OUTER RING, NON-SEPARABLE
MaterialSTEEL OVERALL
Style DesignatorCOUNTERBORED OUTER RING, NON-SEPARABLE
Bore ShapeSTRAIGHT
Load DirectionANGULAR
MaterialSTEEL OVERALL
Bore ShapeSTRAIGHT
Surface FinishGROUND
Standard Tolerance DesignationABEC NO.3
Overall Outside Diameter40.00 MILLIMETERS NOMINAL MM
Contact Angle25.0 DEGREES MAXIMUM
Bore Diameter17.00 MILLIMETERS NOMINAL MM
Contact Angle25.0 DEGREES MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5940-00-143-4777MS25036-157 INTERCHANGEABLE
Terminal,lug
Sae International Dba Sae International
2915-00-216-558791414 INTERCHANGEABLE
Shaft,control
Hamilton Sundstrand Corporation Dba Collins Aerospace
5910-00-281-0500110548 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc
2920-00-353-72167375373 INTERCHANGEABLE
Cap,ignition Distribution
U S Army Tank Automotive Command Amsta-Im-Mm
3030-00-528-4259 INTERCHANGEABLE
Belt,v
5330-00-641-1551501N INTERCHANGEABLE
Gasket
Haywardindl. Products, Inc.
5331-00-916-64742-26S424-7 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
3110-01-448-57057203BECBP INTERCHANGEABLE
Bearing,ball,duplex
Skf Usa Inc.
5140-01-465-534791414 INTERCHANGEABLE
Tool Box,portable
Colt's Manufacturing Company, Llc
3110-01-651-85387203-BECBP INTERCHANGEABLE
Bearing,ang Contact
Superior Motion Controls, Inc. Dba Superior Motion Controls
Cross-Reference Index
Part NumberManufacturer
7203BECBP Skf Usa Inc. (USA)
118733 Kearfott Corporation Div Guidance and Navigation Division (USA)
M7203 Navy Electronics Supply Office (USA)
20203-3A General Motors Corp (USA)
M7203W Timken Co Div the Timken Company (USA)
20203X3A General Motors Corp Delco Moraine Ndh Div (USA)
20203-3A General Motors Corp Delco Moraine Ndh Div (USA)
7203BECBP Rtx Corporation Div Pratt & Whitney (USA)
821888-1 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
M7203 Timken Co Div the Timken Company (USA)
20203X3A General Motors Corp (USA)
MER-203KMA3PC20LO1 PRIMARY New Hampshire Ball Bearings Inc Div Hitech Division (USA)
91414 Eaton Aerospace, Llc Dba Jackson South (USA)
10A4022IT25 Westinghouse Electric Corp (USA)
10A4920IT25 Westinghouse Electric Corp (USA)
Related Parts
5940-00-143-4777INTERCHANGEABLE
TERMINAL,LUG
MS25036-157
2915-00-216-5587INTERCHANGEABLE
SHAFT,CONTROL
91414
5910-00-281-0500INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
110548
2920-00-353-7216INTERCHANGEABLE
CAP,IGNITION DISTRIBUTION
7375373
3030-00-528-4259INTERCHANGEABLE
BELT,V
5330-00-641-1551INTERCHANGEABLE
GASKET
501N
5331-00-916-6474INTERCHANGEABLE
O-RING
2-26S424-7
3110-01-448-5705INTERCHANGEABLE
BEARING,BALL,DUPLEX
7203BECBP
5140-01-465-5347INTERCHANGEABLE
TOOL BOX,PORTABLE
91414
3110-01-651-8538INTERCHANGEABLE
BEARING,ANG CONTACT
7203-BECBP

Frequently Asked Questions

What is NSN 3110-00-156-6753?

NSN 3110-00-156-6753 is a Bearing,ball,annular, manufactured by New Hampshire Ball Bearings Inc Div Hitech Division, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-156-6753?

NSN 3110-00-156-6753 has 15 cross-referenced part numbers: 7203BECBP (Skf Usa Inc.), 118733 (Kearfott Corporation Div Guidance and Navigation Division), M7203 (Navy Electronics Supply Office), 20203-3A (General Motors Corp), M7203W (Timken Co Div the Timken Company) and 10 more.

What NSN replaces 3110-00-156-6753?

There are 10 known substitutes for 3110-00-156-6753: 5940-00-143-4777, 2915-00-216-5587, 5910-00-281-0500 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MER-203KMA3PC20LO1?

Key specifications for MER-203KMA3PC20LO1: Standard Tolerance Designation: ABEC NO.3; Load Direction: ANGULAR; Retainer Fabrication Method: PRESSED; Style Designator: COUNTERBORED OUTER RING, NON-SEPARABLE. 19 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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