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Technical Data Sheet
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S1-108 — Technical Data Sheet

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— · 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,ANNULAR is a the manufacturer industrial component. Key specifications include starter: NOT REQUIRED, material: STEEL CASE, duty_type: CONTINUOUS, base_style: WIRE LEADS, DOWN, body_style: CYLINDRICAL FRAME, bore_shape: STRAIGHT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 3110-00-108-6570, 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
S1-108
NSN: 3110-00-108-6570
FSC: 3110
CAGE: 11562 — CHAMPION MACHINERY CO (USA)
SPECIFICATIONS
starterNOT REQUIRED
materialSTEEL CASE
duty_typeCONTINUOUS
base_styleWIRE LEADS, DOWN
body_styleCYLINDRICAL FRAME
bore_shapeSTRAIGHT
bulb_styleT (TUBULAR)
body_length3.500 INCHES NOMINAL IN
current_typeAC
body_diameter1.500 INCHES NOMINAL IN
bore_diameter1.5000 INCHES MINIMUM AND 1.5005 INCHES MAXIMUM IN
overall_width1.125 INCHES NOMINAL IN
NSN3110-00-108-6570
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: S1-108 · 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
•
OUTER RING WIDTH: 18.0 MILLIMETERS NOMINAL MM
•
STYLE DESIGNATOR: SINGLE ROW BALL, NOT SELF-ALIGNING, INNER RING EXTENDED BOTH SIDES, WITH ECCENTRIC LOCKING COLLAR
•
BORE SHAPE: STRAIGHT
•
BORE DIAMETER: 1.5000 INCHES MINIMUM AND 1.5005 INCHES MAXIMUM IN
•
LOAD DIRECTION: RADIAL
•
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS
OUTER RING WIDTH18.0 MILLIMETERS NOMINAL MM
SPECIAL FEATURESWITH DUST CAP AND RETAINING WIRE
STYLE DESIGNATORSINGLE ROW BALL, NOT SELF-ALIGNING, INNER RING EXTENDED BOTH SIDES, WITH ECCENTRIC LOCKING COLLAR
BORE SHAPESTRAIGHT
OVERALL WIDTH1.6870 INCHES NOMINAL IN
BORE DIAMETER1.5000 INCHES MINIMUM AND 1.5005 INCHES MAXIMUM IN
LOAD DIRECTIONRADIAL
SURFACE FINISHGROUND
MATERIALSTEEL OVERALL
OVERALL OUTSIDE DIAMETER3.1491 INCHES MINIMUM AND 3.1496 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
P0169InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SI-108InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
4-39761.0000//QInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
6803AS15InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
6803InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
46XSM1108ACInterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S1-108?
S1-108 is a BEARING,BALL,ANNULAR.
What parts can replace S1-108?
There are 8 known substitutes for S1-108: P0169, SI-108, 4-39761.0000//Q and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S1-108?
S1-108 is cataloged in the Federal Logistics Information System under NSN 3110-00-108-6570. 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: September 2026