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55503XR1CJ — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

55503XR1CJ: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include bore_shape: STRAIGHT, bore_diameter: 0.6693 INCHES NOMINAL IN, overall_width: 0.6875 INCHES NOMINAL IN, load_direction: ANGULAR, surface_finish: GROUND, overall_outside_diameter: 1.5748 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-156-4672, 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
55503XR1CJ
NSN: 3110-00-156-4672
NIINs: 001564672, 011495937
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 43334 — GENERAL MOTORS CORP DELCO MORAINE NDH DIV (USA)
SPECIFICATIONS
bore_shapeSTRAIGHT
bore_diameter0.6693 INCHES NOMINAL IN
overall_width0.6875 INCHES NOMINAL IN
load_directionANGULAR
surface_finishGROUND
overall_outside_diameter1.5748 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyBEARING, BALL, DOUBLE-ROW, METRIC SERIES
NSN3110-00-156-4672
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 55503XR1CJ · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
LUBRICATION MATERIAL: GREASE
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
SHIELD QUANTITY: 2
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 40.00 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
LUBRICATION MATERIALGREASE
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
SHIELD QUANTITY2
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH0.6875 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER40.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
SPECIFICATION/STANDARD DATA81348-FF-B-171 GOVERNMENT SPECIFICATION AND 19205-65B9938 MANUFACTURERS SPECIFICATION CONTROL
SUBSTITUTES & CROSS-REFERENCES 8
65B9938Reference document
Same NSN cross-reference
Reference document — Secondary reference
55503MIL-G-3278Reference document
Same NSN cross-reference
Reference document — Secondary reference
55503X1AN-G-25Reference document
Same NSN cross-reference
Reference document — Secondary reference
A0796-503Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
143X01732-2004Reference document
Same NSN cross-reference
Reference document — Secondary reference
FF-B-171Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 55503XR1CJ?
55503XR1CJ is a BEARING,BALL,ANNULAR.
What parts can replace 55503XR1CJ?
There are 8 known substitutes for 55503XR1CJ: 65B9938, 55503MIL-G-3278, 55503X1AN-G-25 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55503XR1CJ?
55503XR1CJ is cataloged in the U.S. Government catalog under NSN 3110-00-156-4672. 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.