PartsTable
Technical Data Sheet
PartsTable / COMPONENT / SA5-20A

SA5-20A — Technical Data Sheet

✓ Verified by PartsTable
HP · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The BEARING,ROLLER,AIRFRAME is a HP industrial component. Key specifications include material: STEEL COMP E52100 ROLLER, bore_diameter: 0.3120 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN, inner_ring_width: 0.5580 INCHES NOMINAL IN, outer_ring_width: 0.3750 INCHES NOMINAL IN, special_features: STEEL RETAINING RING;LUBRICANT HOLE AND GROVE IN OUTER RING OD; 10 DEGREEALIGNMENT IN EITHER DIRECTION, style_designator: CONCAVE ROLLER, DOUBLE CLOSURE, SELF ALIGNING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-278-6704, 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
SA5-20A
NSN: 3110-00-278-6704
FSC: 3110
CAGE: 77896 — REXNORD INDUSTRIES, LLC DIV AEROSSPACE BEARING OPERATION (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 ROLLER
bore_diameter0.3120 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
seal_quantity2
shield_quantity2
inner_ring_width0.5580 INCHES NOMINAL IN
outer_ring_width0.3750 INCHES NOMINAL IN
special_featuresSTEEL RETAINING RING;LUBRICANT HOLE AND GROVE IN OUTER RING OD; 10 DEGREEALIGNMENT IN EITHER DIRECTION
style_designatorCONCAVE ROLLER, DOUBLE CLOSURE, SELF ALIGNING
bearing_seal_typeCONTACT
surface_treatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
lubrication_materialGREASE
overall_outside_diameter1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
NSN3110-00-278-6704
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: SA5-20A · HP ⚠ 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
•
MATERIAL: STEEL COMP 430 SHIELD
•
BORE DIAMETER: 0.3120 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
•
INNER RING WIDTH: 0.5580 INCHES NOMINAL IN
•
SHIELD QUANTITY: 2
•
BEARING SEAL TYPE: CONTACT
•
OUTER RING WIDTH: 0.3750 INCHES NOMINAL IN
•
SEAL QUANTITY: 2
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 430 SHIELD
BORE DIAMETER0.3120 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
SPECIAL FEATURESSTEEL RETAINING RING;LUBRICANT HOLE AND GROVE IN OUTER RING OD; 10 DEGREEALIGNMENT IN EITHER DIRECTION
INNER RING WIDTH0.5580 INCHES NOMINAL IN
SHIELD QUANTITY2
BEARING SEAL TYPECONTACT
OUTER RING WIDTH0.3750 INCHES NOMINAL IN
SEAL QUANTITY2
LUBRICATION MATERIALGREASE
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 1
BP-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy SA5-20A?
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 SA5-20A?
SA5-20A is a BEARING,ROLLER,AIRFRAME manufactured by HP.
What parts can replace SA5-20A?
There is 1 known substitute for SA5-20A: BP-5. Substitute compatibility should be verified for your specific system.
What is the NSN for SA5-20A?
SA5-20A is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-278-6704. 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 — SA5-20A

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