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Technical Data Sheet
PartsTable / COMPONENT / 309-1977-070
309-1977-070 ✓ 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 CORROSION RESISTING OVERALL, bore_shape: STRAIGHT, flange_width: 0.0360 INCHES NOMINAL IN, bore_diameter: 0.1875 INCHES NOMINAL IN, overall_width: 0.1250 INCHES NOMINAL IN, load_direction: RADIAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-249-0652, 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
309-1977-070
NSN: 3110-00-249-0652
FSC: 3110
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
bore_shapeSTRAIGHT
flange_width0.0360 INCHES NOMINAL IN
bore_diameter0.1875 INCHES NOMINAL IN
overall_width0.1250 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
shield_quantity2
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
internal_clearance0.0001 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
lubrication_materialOIL
flange_outside_diameter0.3590 INCHES NOMINAL IN
NSN3110-00-249-0652
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 309-1977-070 · 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: 0.1875 INCHES NOMINAL IN
•
LUBRICATION MATERIAL: OIL
•
RETAINER FABRICATION METHOD: PRESSED
•
FLANGE OUTSIDE DIAMETER: 0.3590 INCHES NOMINAL IN
•
LOAD DIRECTION: RADIAL
•
FLANGE WIDTH: 0.0360 INCHES NOMINAL IN
•
BORE SHAPE: STRAIGHT
•
OUTER RING OUTSIDE DIAMETER: 0.3125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER0.1875 INCHES NOMINAL IN
LUBRICATION MATERIALOIL
RETAINER FABRICATION METHODPRESSED
FLANGE OUTSIDE DIAMETER0.3590 INCHES NOMINAL IN
LOAD DIRECTIONRADIAL
FLANGE WIDTH0.0360 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
OUTER RING OUTSIDE DIAMETER0.3125 INCHES NOMINAL IN
SURFACE FINISHGROUND
STANDARD TOLERANCE DESIGNATIONABEC NO.3
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
0113Interchangeable
interchangeable cross-reference
interchangeable
117503Interchangeable
interchangeable cross-reference
interchangeable
7081Interchangeable
interchangeable cross-reference
interchangeable
N151R4007Interchangeable
interchangeable cross-reference
interchangeable
735-0313-000Interchangeable
interchangeable cross-reference
interchangeable
N151R1509Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 309-1977-070?
309-1977-070 is a BEARING,BALL,ANNULAR.
What parts can replace 309-1977-070?
There are 7 known substitutes for 309-1977-070: 0113, 117503, 7081 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 309-1977-070?
309-1977-070 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-249-0652. 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