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107RS577-2 — BEARING,ROLLER,AIRFRAME

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

107RS577-2: BEARING,ROLLER,AIRFRAME.

The BEARING,ROLLER,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL ROLLER, bore_diameter: 0.6250 INCHES NOMINAL IN, inner_ring_width: 0.3750 INCHES NOMINAL IN, outer_ring_width: 0.3150 INCHES NOMINAL IN, style_designator: CONCAVE ROLLER, DOUBLE CLOSURE, SELF ALIGNING, bearing_seal_type: CONTACT. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-044-4161, 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
107RS577-2
NSN: 3110-00-044-4161
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 77896 — REXNORD INDUSTRIES, LLC DIV AEROSSPACE BEARING OPERATION (USA)
SPECIFICATIONS
materialSTEEL ROLLER
bore_diameter0.6250 INCHES NOMINAL IN
seal_quantity2
inner_ring_width0.3750 INCHES NOMINAL IN
outer_ring_width0.3150 INCHES NOMINAL IN
style_designatorCONCAVE ROLLER, DOUBLE CLOSURE, SELF ALIGNING
bearing_seal_typeCONTACT
surface_treatmentCADMIUM OVERALL
lubrication_materialGREASE
overall_outside_diameter1.1250 INCHES NOMINAL IN
lubrication_material_document_and_classificationMIL-G-25537 MIL SPEC SINGLE MATERIAL RESPONSE
NSN3110-00-044-4161
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 107RS577-2 · 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
•
BEARING SEAL TYPE: CONTACT
•
LUBRICATION MATERIAL: GREASE
•
OUTER RING WIDTH: 0.3150 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CONCAVE ROLLER, DOUBLE CLOSURE, SELF ALIGNING
•
OVERALL OUTSIDE DIAMETER: 1.1250 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
SEAL QUANTITY: 2
•
BORE DIAMETER: 0.6250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BEARING SEAL TYPECONTACT
LUBRICATION MATERIALGREASE
OUTER RING WIDTH0.3150 INCHES NOMINAL IN
STYLE DESIGNATORCONCAVE ROLLER, DOUBLE CLOSURE, SELF ALIGNING
OVERALL OUTSIDE DIAMETER1.1250 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
SEAL QUANTITY2
BORE DIAMETER0.6250 INCHES NOMINAL IN
MATERIALSTEEL OUTER RING
MATERIALSTEEL INNER RING
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 3
YS179Reference document
Same NSN cross-reference
Reference document — Secondary reference
A60482Reference document
Same NSN cross-reference
Reference document — Secondary reference
SA10-18B1-501Reference 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 107RS577-2?
107RS577-2 is a BEARING,ROLLER,AIRFRAME.
What parts can replace 107RS577-2?
There are 3 known substitutes for 107RS577-2: YS179, A60482, SA10-18B1-501. Substitute compatibility should be verified for your specific system.
What is the NSN for 107RS577-2?
107RS577-2 is cataloged in the U.S. Government catalog under NSN 3110-00-044-4161. 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.