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PartsTable / COMPONENT / SU1 3/8 DIA PILLOW BLOCK
SU1 3/8 DIA PILLOW BLOCK ✓ 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 SU1 3/8 DIA PILLOW BLOCK is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3130-01-039-6764, 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
SU1 3/8 DIA PILLOW BLOCK
NSN: 3130-01-039-6764
FSC: 3130
CAGE: 71956 — RELIANCE ELECTRIC COMPANY DBA RELIANCE & DODGE BRANDS (USA)
SPECIFICATIONS
Part NumberSU1 3/8 DIA PILLOW BLOCK
NSN3130-01-039-6764
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: SU1 3/8 DIA PILLOW BLOCK · 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
•
MOUNTING HOLE TYPE: SLOTTED
•
BLOCK TYPE: FIXED
•
LOAD CAPABILITY TYPE: RADIAL AND THRUST
•
BASE THICKNESS: 0.3437 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC SEAL
•
STYLE DESIGNATOR: PILLOW BLOCK, SOLID
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING HOLE TYPESLOTTED
BLOCK TYPEFIXED
LOAD CAPABILITY TYPERADIAL AND THRUST
BASE THICKNESS0.3437 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC SEAL
MATERIALIRON CAST HOUSING
MATERIALSTEEL COMP E52100 BALL
STYLE DESIGNATORPILLOW BLOCK, SOLID
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE BALL
ROTATING ELEMENT LOCKING METHODECCENTRIC CAM LOCKING COLLAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
129045Interchangeable
interchangeable cross-reference
interchangeable
NT2-6Interchangeable
interchangeable cross-reference
interchangeable
6358Interchangeable
interchangeable cross-reference
interchangeable
11441000PC50Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SU1 3/8 DIA PILLOW BLOCK?
SU1 3/8 DIA PILLOW BLOCK is a SU1 3/8 DIA PILLOW BLOCK.
What parts can replace SU1 3/8 DIA PILLOW BLOCK?
There are 4 known substitutes for SU1 3/8 DIA PILLOW BLOCK: 129045, NT2-6, 6358 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SU1 3/8 DIA PILLOW BLOCK?
SU1 3/8 DIA PILLOW BLOCK is cataloged in the Federal Logistics Information System (FLIS) under NSN 3130-01-039-6764. 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