420SD31W33W45ABR — BEARING,ROLLER,SELF-ALIGNING

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

420SD31W33W45ABR: BEARING,ROLLER,SELF-ALIGNING.

The BEARING,ROLLER,SELF-ALIGNING is a the manufacturer industrial component. Key specifications include material: STEEL INNER RING, bore_shape: STRAIGHT, bore_diameter: 420.0 MILLIMETERS NOMINAL MM, overall_width: 224.0 MILLIMETERS NOMINAL MM, surface_finish: GROUND, special_features: TAPPED HOLES IN FACE OF OUTER RING. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-209-8121, 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

420SD31W33W45ABR

NSN: 3110-01-209-8121
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 60380 — TIMKEN AEROSPACE, INC DBA TORRINGTON PRODUCT (USA)

SPECIFICATIONS

material	STEEL INNER RING
bore_shape	STRAIGHT
bore_diameter	420.0 MILLIMETERS NOMINAL MM
overall_width	224.0 MILLIMETERS NOMINAL MM
surface_finish	GROUND
special_features	TAPPED HOLES IN FACE OF OUTER RING
style_designator	DOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE
features_provided	LUBRICATION HOLE AND LUBRICATION GROOVE
overall_outside_diameter	700.0 MILLIMETERS NOMINAL MM
internal_fit-up_designation	STANDARD
retainer_fabrication_method	MACHINED
standard_tolerance_designation	RBEC NO.1
NSN	3110-01-209-8121

COMPONENT DIAGRAM

KEY FEATURES

•

RETAINER FABRICATION METHOD: MACHINED

•

INTERNAL FIT-UP DESIGNATION: STANDARD

•

SURFACE FINISH: GROUND

•

STYLE DESIGNATOR: DOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE

•

OVERALL OUTSIDE DIAMETER: 700.0 MILLIMETERS NOMINAL MM

•

FEATURES PROVIDED: LUBRICATION HOLE AND LUBRICATION GROOVE

•

BORE SHAPE: STRAIGHT

TECHNICAL CHARACTERISTICS

RETAINER FABRICATION METHOD	MACHINED
INTERNAL FIT-UP DESIGNATION	STANDARD
SURFACE FINISH	GROUND
STYLE DESIGNATOR	DOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE
OVERALL WIDTH	224.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER	700.0 MILLIMETERS NOMINAL MM
FEATURES PROVIDED	LUBRICATION HOLE AND LUBRICATION GROOVE
BORE SHAPE	STRAIGHT
SPECIAL FEATURES	TAPPED HOLES IN FACE OF OUTER RING
STANDARD TOLERANCE DESIGNATION	RBEC NO.1

OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722

SUBSTITUTES & CROSS-REFERENCES 1

23184W33W45ABRReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 420SD31W33W45ABR?

420SD31W33W45ABR is a BEARING,ROLLER,SELF-ALIGNING.

What parts can replace 420SD31W33W45ABR?

There is 1 known substitute for 420SD31W33W45ABR: 23184W33W45ABR. Substitute compatibility should be verified for your specific system.

What is the NSN for 420SD31W33W45ABR?

420SD31W33W45ABR is cataloged in the U.S. Government catalog under NSN 3110-01-209-8121. This indicates validated use in U.S. government and defense supply chains.

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