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Technical Data Sheet
PartsTable / COMPONENT / 307NR
307NR ✓ 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,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL BALL, base_style: SINGLE CONTACT BAYONET CANDELABRA, bore_shape: STRAIGHT, bulb_style: S (STRAIGHT SIDE), bore_diameter: 35.00 MILLIMETERS NOMINAL MM, overall_width: 21.0 MILLIMETERS NOMINAL MM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-6686, 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
307NR
NSN: 3110-00-155-6686
FSC: 3110
CAGE: 52676 — SKF USA INC. (USA)
SPECIFICATIONS
materialSTEEL BALL
base_styleSINGLE CONTACT BAYONET CANDELABRA
bore_shapeSTRAIGHT
bulb_styleS (STRAIGHT SIDE)
bore_diameter35.00 MILLIMETERS NOMINAL MM
overall_width21.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
overall_length2.000 INCHES MAXIMUM IN
surface_finishGROUND
voltage_rating28.000 VOLTS NOMINAL
wattage_rating18.200 WATTS
bulb_designatorS-8
NSN3110-00-155-6686
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 307NR · 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
•
BORE DIAMETER: 35.00 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL OUTER RING
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
SURFACE FINISH: GROUND
•
INTERNAL FIT-UP DESIGNATION: STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER35.00 MILLIMETERS NOMINAL MM
MATERIALSTEEL OUTER RING
MATERIALSTEEL INNER RING
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL BALL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
SURFACE FINISHGROUND
INTERNAL FIT-UP DESIGNATIONSTANDARD
FEATURES PROVIDEDSNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE
OVERALL OUTSIDE DIAMETER80.00 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 34
707133Interchangeable
interchangeable cross-reference
interchangeable
5178Interchangeable
interchangeable cross-reference
interchangeable
1607XInterchangeable
interchangeable cross-reference
interchangeable
AA59589-207JABTInterchangeable
interchangeable cross-reference
interchangeable
A-A-59589Interchangeable
interchangeable cross-reference
interchangeable
72204Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 307NR?
307NR is a BEARING,BALL,ANNULAR.
What parts can replace 307NR?
There are 34 known substitutes for 307NR: 707133, 5178, 1607X and 31 more. Substitute compatibility should be verified for your specific system.
Is 307NR still available?
307NR is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026