SF4-4A1-503 — BEARING,ROLLER,ROD END

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

SF4-4A1-503: BEARING,ROLLER,ROD END.

The BEARING,ROLLER,ROD END is a the manufacturer industrial component. Key specifications include material: STEEL SNAP RING, shank_style: INTERNALLY THREADED, thread_class: 3B, bore_diameter: 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN, alignment_type: SELF-ALIGNING, overall_length: 1.7000 INCHES MINIMUM AND 1.7950 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-028-2506, 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

SF4-4A1-503

NSN: 3110-01-028-2506
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 77896 — REXNORD INDUSTRIES, LLC DIV AEROSSPACE BEARING OPERATION (USA)

SPECIFICATIONS

material	STEEL SNAP RING
shank_style	INTERNALLY THREADED
thread_class	3B
bore_diameter	0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
seal_quantity	2
alignment_type	SELF-ALIGNING
overall_length	1.7000 INCHES MINIMUM AND 1.7950 INCHES MAXIMUM IN
shank_diameter	0.4370 INCHES NOMINAL IN
shield_quantity	2
inner_ring_width	0.4320 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
outer_ring_width	0.3350 INCHES MINIMUM AND 0.3500 INCHES MAXIMUM IN
special_features	0.0700 IN. DIA INSPECTION HOLE IN SHANK,0.0670 IN. MAX WIDE BY 0.0610 IN. MAX DEEP SLOT IN CENTER OF HEX,TWO 0.0460 IN. DIA LOCKWIRE HOLES IN HEX END,INTERNAL RADIAL PLAY 0.0002 IN. TO 0.0010 IN. IN
NSN	3110-01-028-2506

COMPONENT DIAGRAM

KEY FEATURES

•

SHANK DIAMETER: 0.4370 INCHES NOMINAL IN

•

SHANK THREAD LENGTH: 0.7500 INCHES MINIMUM AND 0.8100 INCHES MAXIMUM IN

•

BEARING SEAL TYPE: CONTACT

•

WIDTH ACROSS FLATS: 0.4370 INCHES NOMINAL IN

•

LUBRICATION MATERIAL: GREASE

•

OUTER RING WIDTH: 0.3350 INCHES MINIMUM AND 0.3500 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE ALL EXTERNAL/EXPOSED METAL SURFACES

•

SHIELD QUANTITY: 2

TECHNICAL CHARACTERISTICS

SHANK DIAMETER	0.4370 INCHES NOMINAL IN
SHANK THREAD LENGTH	0.7500 INCHES MINIMUM AND 0.8100 INCHES MAXIMUM IN
BEARING SEAL TYPE	CONTACT
WIDTH ACROSS FLATS	0.4370 INCHES NOMINAL IN
LUBRICATION MATERIAL	GREASE
OUTER RING WIDTH	0.3350 INCHES MINIMUM AND 0.3500 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE ALL EXTERNAL/EXPOSED METAL SURFACES
SHIELD QUANTITY	2
STYLE DESIGNATOR	SINGLE ROW, CONCAVE ROLLERS
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-7493 MIL SPEC SINGLE MATERIAL RESPONSE ROD END BODY

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

39381-31Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is SF4-4A1-503?

SF4-4A1-503 is a BEARING,ROLLER,ROD END.

What parts can replace SF4-4A1-503?

There is 1 known substitute for SF4-4A1-503: 39381-31. Substitute compatibility should be verified for your specific system.

What is the NSN for SF4-4A1-503?

SF4-4A1-503 is cataloged in the U.S. Government catalog under NSN 3110-01-028-2506. This indicates validated use in U.S. government and defense supply chains.

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