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Technical Data Sheet
PartsTable / COMPONENT / 123836
123836 ✓ 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 UNIT,BALL is a the manufacturer industrial component. Key specifications include material: STEEL BEARING, seal_type: LABYRINTH, block_type: FIXED, base_length: 1.1875 INCHES NOMINAL IN, bore_diameter: 0.6250 INCHES NOMINAL IN, housing_width: 5.2500 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 3130-01-105-3942, 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
123836
NSN: 3130-01-105-3942
FSC: 3130
CAGE: 71956 — RELIANCE ELECTRIC COMPANY DBA RELIANCE & DODGE BRANDS (USA)
SPECIFICATIONS
materialSTEEL BEARING
seal_typeLABYRINTH
block_typeFIXED
base_length1.1875 INCHES NOMINAL IN
bore_diameter0.6250 INCHES NOMINAL IN
housing_width5.2500 INCHES NOMINAL IN
seal_locationBOTH ENDS
alignment_typeSELF-ALIGNING
base_thickness0.6875 INCHES NOMINAL IN
housing_height2.5625 INCHES NOMINAL IN
shaft_end_typeOPEN
style_designatorPILLOW BLOCK, SOLID
NSN3130-01-105-3942
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 123836 · 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
•
BLOCK TYPE: FIXED
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
BASE THICKNESS: 0.6875 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PILLOW BLOCK, SOLID
•
MATERIAL: STEEL BEARING
•
SHAFT END TYPE: OPEN
TECHNICAL CHARACTERISTICS (FLIS)
BLOCK TYPEFIXED
INTERNAL FIT-UP DESIGNATIONSTANDARD
BASE THICKNESS0.6875 INCHES NOMINAL IN
STYLE DESIGNATORPILLOW BLOCK, SOLID
MATERIALSTEEL BEARING
MATERIALIRON HOUSING
MATERIALPLASTIC POLYAMIDE NYLON SEAL
SHAFT END TYPEOPEN
LUBRICATION FITTING TYPEHYDRAULIC
LOAD CAPABILITY TYPERADIAL AND THRUST
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
AA66Interchangeable
interchangeable cross-reference
interchangeable
A404-7Interchangeable
interchangeable cross-reference
interchangeable
RB503CS1177Interchangeable
interchangeable cross-reference
interchangeable
1370-L580Interchangeable
interchangeable cross-reference
interchangeable
1305699Interchangeable
interchangeable cross-reference
interchangeable
15107Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 123836?
123836 is a BEARING UNIT,BALL.
What parts can replace 123836?
There are 7 known substitutes for 123836: AA66, A404-7, RB503CS1177 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 123836?
123836 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3130-01-105-3942. 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