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A4812 ✓ Verified by PartsTable
— · 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,BALL,LINEAR MOTION is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR, body_length: 0.375 INCHES NOMINAL IN, design_type: SINGLE CENTRALLY LOCATED HOLE, body_diameter: 0.250 INCHES NOMINAL IN, flange_height: 0.125 INCHES NOMINAL IN, overall_length: 0.500 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-227-2597, 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
A4812
NSN: 3110-00-227-2597
FSC: 3110
CAGE: 96881 — THOMSON INDUSTRIES INC (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR
body_length0.375 INCHES NOMINAL IN
design_typeSINGLE CENTRALLY LOCATED HOLE
body_diameter0.250 INCHES NOMINAL IN
flange_height0.125 INCHES NOMINAL IN
overall_length0.500 INCHES NOMINAL IN
flange_diameter0.313 INCHES NOMINAL IN
style_designatorROUND FLANGED
center_hole_diameter0.125 INCHES NOMINAL IN
material_document_and_classificationMIL-STD-417, TYPE S, CLASS SC, GRADE SC515 MIL STD SINGLE MATERIAL RESPONSE
NSN3110-00-227-2597
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A4812 · 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
•
MATERIAL: STEEL SLEEVE
•
OUTSIDE DIAMETER: 0.4996 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
•
WORKING BORE DIAMETER: 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL SLEEVE
MATERIALSTEEL BALL
OUTSIDE DIAMETER0.4996 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
OVERALL LENGTH0.7400 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
WORKING BORE DIAMETER0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
A2104Interchangeable
interchangeable cross-reference
interchangeable
MS17162Interchangeable
interchangeable cross-reference
interchangeable
B4Interchangeable
interchangeable cross-reference
interchangeable
L-4-2554Interchangeable
interchangeable cross-reference
interchangeable
SL6572-77Interchangeable
interchangeable cross-reference
interchangeable
NC3110-344Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A4812?
A4812 is a BEARING,BALL,LINEAR MOTION.
What parts can replace A4812?
There are 30 known substitutes for A4812: A2104, MS17162, B4 and 27 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A4812?
A4812 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-227-2597. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026