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Technical Data Sheet
PartsTable / COMPONENT / 188245
188245 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include material: STEEL COMP 4340, body_style: SHOULDER, overall_length: 5.470 INCHES NOMINAL IN, width_across_flats: 1.000 INCHES NOMINAL IN, concentric_hole_depth: 2.060 INCHES NOMINAL IN, first_end_thread_class: 3A A. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0259, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
188245
NSN: 3110-00-100-0259
FSC: 3110
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 4340
body_styleSHOULDER
overall_length5.470 INCHES NOMINAL IN
width_across_flats1.000 INCHES NOMINAL IN
concentric_hole_depth2.060 INCHES NOMINAL IN
first_end_thread_class3A A
first_end_thread_length0.480 INCHES NOMINAL IN
second_end_thread_class3A A
wrenching_feature_styleOCTAGON
concentric_hole_diameter1.180 INCHES NOMINAL IN
second_end_thread_length0.480 INCHES NOMINAL IN
wrenching_feature_height0.750 INCHES NOMINAL IN
NSN3110-00-100-0259
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 188245 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BORE DIAMETER: 2.5000 INCHES NOMINAL IN
•
CONE WIDTH: 1.1420 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
CONE CORNER RADIUS: 0.1406 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER2.5000 INCHES NOMINAL IN
CONE WIDTH1.1420 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
CONE CORNER RADIUS0.1406 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
225850Interchangeable
interchangeable cross-reference
interchangeable
483Interchangeable
interchangeable cross-reference
interchangeable
PV 203Interchangeable
interchangeable cross-reference
interchangeable
151721-000Interchangeable
interchangeable cross-reference
interchangeable
5325007542165Interchangeable
interchangeable cross-reference
interchangeable
1411Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 188245?
188245 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 188245?
There are 19 known substitutes for 188245: 225850, 483, PV 203 and 16 more. Substitute compatibility should be verified for your specific system.
Is 188245 still available?
188245 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026