PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 2527235-31
2527235-31 ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: OIL LUBRICATING LUBRICATION, corner_shape: SQUARE ALL CORNERS, overall_length: 0.3700 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES OVERALL, hardness_rating: 30.0 ROCKWELL C MINIMUM AND 70.0 ROCKWELL C MAXIMUM OVERALL, special_features: IMPREGNATED 18 PCT BY VOLUME WITH MIL-L-17331. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-310-5279, 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
2527235-31
NSN: 3120-01-310-5279
FSC: 3120
CAGE: 98889 — AEROCONTROLEX GROUP, INC. DIV TALLEY ACTUATORS (USA)
SPECIFICATIONS
materialOIL LUBRICATING LUBRICATION
corner_shapeSQUARE ALL CORNERS
overall_length0.3700 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES OVERALL
hardness_rating30.0 ROCKWELL C MINIMUM AND 70.0 ROCKWELL C MAXIMUM OVERALL
special_featuresIMPREGNATED 18 PCT BY VOLUME WITH MIL-L-17331
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter0.2510 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN
body_outside_diameter0.4395 INCHES MINIMUM AND 0.4405 INCHES MAXIMUM IN
material_document_and_classificationMIL-B-5687,TYPE 1,GRADE 2 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-B-5687,TYPE 1,GRADE 1 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
NSN3120-01-310-5279
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 2527235-31 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 70.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL: COPPER ALLOY OR COPPER ALLOY 841 OVERALL
•
SURFACE FINISH: 63.0 MICROINCHES OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-5687,TYPE 1,GRADE 2 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-B-5687,TYPE 1,GRADE 1 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 0.2510 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.4395 INCHES MINIMUM AND 0.4405 INCHES MAXIMUM IN
•
CORNER SHAPE: SQUARE ALL CORNERS
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 70.0 ROCKWELL C MAXIMUM OVERALL
MATERIALCOPPER ALLOY OR COPPER ALLOY 841 OVERALL
SURFACE FINISH63.0 MICROINCHES OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5687,TYPE 1,GRADE 2 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-B-5687,TYPE 1,GRADE 1 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
BODY INSIDE DIAMETER0.2510 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.4395 INCHES MINIMUM AND 0.4405 INCHES MAXIMUM IN
SPECIAL FEATURESIMPREGNATED 18 PCT BY VOLUME WITH MIL-L-17331
CORNER SHAPESQUARE ALL CORNERS
MATERIALOIL LUBRICATING LUBRICATION
OVERALL LENGTH0.3700 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
ASTMB439Interchangeable
interchangeable cross-reference
interchangeable
MIL-B-5687Interchangeable
interchangeable cross-reference
interchangeable
S408-4Interchangeable
interchangeable cross-reference
interchangeable
MS17795-31Interchangeable
Same NIIN cross-reference
interchangeable
MS17795Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 2527235-31?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 2527235-31?
2527235-31 is a BEARING,SLEEVE.
What parts can replace 2527235-31?
There are 5 known substitutes for 2527235-31: ASTMB439, MIL-B-5687, S408-4 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2527235-31?
2527235-31 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-310-5279. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 2527235-31

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026