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PartsTable / COMPONENT / SL1 PILLOW BLOCK
SL1 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 BEARING UNIT,BALL is a the manufacturer industrial component. Key specifications include material: STEEL AND RUBBER SYNTHETIC SEAL, seal_type: CONTACT, base_length: 1.2500 INCHES NOMINAL IN, bore_diameter: 1.0000 INCHES NOMINAL IN, housing_width: 4.2500 INCHES NOMINAL IN, seal_location: BOTH ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3130-00-027-5944, 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
SL1 PILLOW BLOCK
NSN: 3130-00-027-5944
FSC: 3130
CAGE: 71956 — RELIANCE ELECTRIC COMPANY DBA RELIANCE & DODGE BRANDS (USA)
SPECIFICATIONS
materialSTEEL AND RUBBER SYNTHETIC SEAL
seal_typeCONTACT
base_length1.2500 INCHES NOMINAL IN
bore_diameter1.0000 INCHES NOMINAL IN
housing_width4.2500 INCHES NOMINAL IN
seal_locationBOTH ENDS
alignment_typeSELF-ALIGNING
base_thickness0.1120 INCHES NOMINAL IN
housing_height2.2031 INCHES NOMINAL IN
housing_length0.8590 INCHES NOMINAL IN
collar_locationONE END
style_designatorPILLOW BLOCK, SEPARABLE WITH INNERLINER
NSN3130-00-027-5944
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: SL1 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
•
HOUSING HEIGHT: 2.2031 INCHES NOMINAL IN
•
HOUSING WIDTH: 4.2500 INCHES NOMINAL IN
•
ALIGNMENT TYPE: SELF-ALIGNING
•
BASE THICKNESS: 0.1120 INCHES NOMINAL IN
•
LOAD CAPABILITY TYPE: RADIAL
•
COLLAR LOCATION: ONE END
•
FEATURES PROVIDED: GROUND ROLLING ELEMENT GROOVE
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED
TECHNICAL CHARACTERISTICS (FLIS)
HOUSING HEIGHT2.2031 INCHES NOMINAL IN
HOUSING WIDTH4.2500 INCHES NOMINAL IN
ALIGNMENT TYPESELF-ALIGNING
BASE THICKNESS0.1120 INCHES NOMINAL IN
LOAD CAPABILITY TYPERADIAL
COLLAR LOCATIONONE END
FEATURES PROVIDEDGROUND ROLLING ELEMENT GROOVE
MOUNTING HOLE TYPEROUND, UNTHREADED
STYLE DESIGNATORPILLOW BLOCK, SEPARABLE WITH INNERLINER
ROTATING ELEMENT LOCKING METHODSETSCREW LOCKING COLLAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
3101-1194Interchangeable
interchangeable cross-reference
interchangeable
2KAB001000093Interchangeable
interchangeable cross-reference
interchangeable
403618Interchangeable
interchangeable cross-reference
interchangeable
3101-1241Interchangeable
interchangeable cross-reference
interchangeable
PB1Interchangeable
interchangeable cross-reference
interchangeable
HPB1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SL1 PILLOW BLOCK?
SL1 PILLOW BLOCK is a BEARING UNIT,BALL.
What parts can replace SL1 PILLOW BLOCK?
There are 15 known substitutes for SL1 PILLOW BLOCK: 3101-1194, 2KAB001000093, 403618 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SL1 PILLOW BLOCK?
SL1 PILLOW BLOCK is cataloged in the Federal Logistics Information System (FLIS) under NSN 3130-00-027-5944. 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