PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6203-625ZZCE1BT3Bearing,ball,annular

Nsk Corp Bearing Div · NSN 3110-00-421-9859 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-421-9859 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-421-9859. Primary manufacturer part number: 6203-625ZZCE1BT3.
Features
  • Bearing,ball,annular — FSC 3110
  • Load Direction: RADIAL
  • Bore Shape: STRAIGHT
  • Retainer Fabrication Method: PRESSED
  • Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
  • Standard Tolerance Designation: ABEC NO.1
  • Shield Quantity: 2
  • Internal Fit-Up Designation: STANDARD
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 3110-00-421-9859, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Nsk Corp Bearing Div. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-421-9859
Primary Part Number6203-625ZZCE1BT3
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerNsk Corp Bearing Div
StatusCANCELLED
Load DirectionRADIAL
Bore ShapeSTRAIGHT
Retainer Fabrication MethodPRESSED
Lubrication Material Document and ClassificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
Standard Tolerance DesignationABEC NO.1
Shield Quantity2
Internal Fit-Up DesignationSTANDARD
Surface FinishGROUND
Lubrication MaterialGREASE
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL OVERALL
Bore Diameter0.6250 INCHES NOMINAL IN
Overall Outside Diameter40.00 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
2530-00-033-603049150H INTERCHANGEABLE
Cup,hydraulic Brake Cylinder
Dressta North America Ltd
4820-00-098-3536 INTERCHANGEABLE
Disk,valve
5950-00-542-73591655923 INTERCHANGEABLE
Transformer,power Autotransforme
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6610-01-108-60563716-1 INTERCHANGEABLE
Tubing,polyurethane
Kearflex Engineering Company
5120-01-168-11355120-01-168-1135 INTERCHANGEABLE
Bit,screwdriver
General Services Administration Federal Supply Service
3120-01-210-48683716-1 INTERCHANGEABLE
Bearing,washer,thrust
Pdi Ground Support Systems, Inc.
5120-01-368-245237161 INTERCHANGEABLE
Bit,screwdriver
Magna Div Vermont American Corp
Cross-Reference Index
Part NumberManufacturer
37161 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
77203-625M1UB3 Hoover Group Inc Ball and Roller Div (USA)
6203-625ZZCE1BT3 PRIMARY Nsk Corp Bearing Div (USA)
Related Parts
2530-00-033-6030INTERCHANGEABLE
CUP,HYDRAULIC BRAKE CYLINDER
49150H
4820-00-098-3536INTERCHANGEABLE
DISK,VALVE
5950-00-542-7359INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
1655923
6610-01-108-6056INTERCHANGEABLE
TUBING,POLYURETHANE
3716-1
5120-01-168-1135INTERCHANGEABLE
BIT,SCREWDRIVER
5120-01-168-1135
3120-01-210-4868INTERCHANGEABLE
BEARING,WASHER,THRUST
3716-1
5120-01-368-2452INTERCHANGEABLE
BIT,SCREWDRIVER
37161

Frequently Asked Questions

What is NSN 3110-00-421-9859?

NSN 3110-00-421-9859 is a Bearing,ball,annular, manufactured by Nsk Corp Bearing Div, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-421-9859?

NSN 3110-00-421-9859 has 3 cross-referenced part numbers: 37161 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), 77203-625M1UB3 (Hoover Group Inc Ball and Roller Div), 6203-625ZZCE1BT3 (Nsk Corp Bearing Div).

What NSN replaces 3110-00-421-9859?

There are 7 known substitutes for 3110-00-421-9859: 2530-00-033-6030, 4820-00-098-3536, 5950-00-542-7359 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6203-625ZZCE1BT3?

Key specifications for 6203-625ZZCE1BT3: Overall Width: 12.0 MILLIMETERS NOMINAL MM; Load Direction: RADIAL; Bore Shape: STRAIGHT; Retainer Fabrication Method: PRESSED. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-421-9859 still in active supply?

NSN 3110-00-421-9859 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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