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Technical Data Sheet
PartsTable / COMPONENT / 188285
188285 ✓ 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

The RING,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include material: SILVER, cone_width: 1.7230 INCHES NOMINAL IN, bore_diameter: 2.3750 INCHES NOMINAL IN, overall_diameter: 3.188 INCHES NOMINAL IN, special_features: 0.234 IN. THK; CYLINDER SHAPE;LEAD MARK 11, LEAD 4.063 IN.

LG; FSCAPPLICATION,GYRO COMPASS IN, style_designator: NORMAL ANGLE. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-3079, 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
188285
NSN: 3110-00-100-3079
FSC: 3110
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
materialSILVER
cone_width1.7230 INCHES NOMINAL IN
bore_diameter2.3750 INCHES NOMINAL IN
overall_diameter3.188 INCHES NOMINAL IN
special_features0.234 IN. THK; CYLINDER SHAPE;LEAD MARK 11, LEAD 4.063 IN. LG; FSCAPPLICATION,GYRO COMPASS IN
style_designatorNORMAL ANGLE
cone_corner_radius0.0312 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-3079
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 188285 · 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
•
CONE WIDTH: 1.7230 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.0312 INCHES NOMINAL IN
•
BORE DIAMETER: 2.3750 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: NORMAL ANGLE
TECHNICAL CHARACTERISTICS (FLIS)
CONE WIDTH1.7230 INCHES NOMINAL IN
CONE CORNER RADIUS0.0312 INCHES NOMINAL IN
BORE DIAMETER2.3750 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
STYLE DESIGNATORNORMAL ANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
MILE1-999Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-1/999Interchangeable
interchangeable cross-reference
interchangeable
6163Interchangeable
interchangeable cross-reference
interchangeable
CGAS4645Interchangeable
interchangeable cross-reference
interchangeable
9802Interchangeable
interchangeable cross-reference
interchangeable
5582Interchangeable
IBM Auxiliary-write cache IOA
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 188285?
188285 is a RING,ELECTRICAL CONTACT.
What parts can replace 188285?
There are 21 known substitutes for 188285: MILE1-999, MIL-PRF-1/999, 6163 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 188285?
188285 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-3079. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026