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Q30310-1A — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

Q30310-1A: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: PLASTIC PHENOLIC RETAINER, bore_shape: STRAIGHT, bore_diameter: 50.00 MILLIMETERS NOMINAL MM, contact_angle: 25.0 DEGREES MINIMUM, overall_width: 27.0 MILLIMETERS NOMINAL MM, load_direction: ANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-101-2886, 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
Q30310-1A
NSN: 3110-00-101-2886
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 43334 — GENERAL MOTORS CORP DELCO MORAINE NDH DIV (USA)
SPECIFICATIONS
materialPLASTIC PHENOLIC RETAINER
bore_shapeSTRAIGHT
bore_diameter50.00 MILLIMETERS NOMINAL MM
contact_angle25.0 DEGREES MINIMUM
overall_width27.0 MILLIMETERS NOMINAL MM
load_directionANGULAR
surface_finishGROUND
style_designatorCOUNTERBORED OUTER RING, NON-SEPARABLE
overall_outside_diameter10.00 MILLIMETERS NOMINAL MM
standard_tolerance_designationABEC NO.1
NSN3110-00-101-2886
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: Q30310-1A · 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
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: COUNTERBORED OUTER RING, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 10.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
•
CONTACT ANGLE: 25.0 DEGREES MINIMUM
•
LOAD DIRECTION: ANGULAR
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
TECHNICAL CHARACTERISTICS
SURFACE FINISHGROUND
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
OVERALL WIDTH27.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER10.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
CONTACT ANGLE25.0 DEGREES MINIMUM
LOAD DIRECTIONANGULAR
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE DIAMETER50.00 MILLIMETERS NOMINAL MM
MATERIALSTEEL OUTER RING
SUBSTITUTES & CROSS-REFERENCES 7
3FC216Reference document
Same NSN cross-reference
Reference document — Secondary reference
Q30310Reference document
Same NSN cross-reference
Reference document — Secondary reference
7310BTReference document
Same NSN cross-reference
Reference document — Secondary reference
555038Reference document
Same NSN cross-reference
Reference document — Secondary reference
769-21PC28Reference document
Same NSN cross-reference
Reference document — Secondary reference
555037Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is Q30310-1A?
Q30310-1A is a BEARING,BALL,ANNULAR.
What parts can replace Q30310-1A?
There are 7 known substitutes for Q30310-1A: 3FC216, Q30310, 7310BT and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for Q30310-1A?
Q30310-1A is cataloged in the U.S. Government catalog under NSN 3110-00-101-2886. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.