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Technical Data Sheet
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709474 — BEARING,ROLLER,NEEDLE

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

709474: BEARING,ROLLER,NEEDLE.

The BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 3110-00-120-3115, 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
709474
NSN: 3110-00-120-3115
NIINs: 001203115, 012261708
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 00000
SPECIFICATIONS
end_item_identificationITEM IS USED AS A FUEL BYPASS ON PRATT AND WHITNEY GAS TURBINE ENGINES MODELS FT4A-2,FT4A-6 AND FT4A-12 ON 378 AND 400 FT COAST GUARD VESSELS FT
NSN3110-00-120-3115
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 709474 · 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
•
OVERALL OUTSIDE DIAMETER: 2.1250 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
•
BORE DIAMETER: 1.7500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL OUTSIDE DIAMETER2.1250 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
BORE DIAMETER1.7500 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 3
52157RReference document
Same NSN cross-reference
Reference document — Secondary reference
212MCH1Reference document
Same NSN cross-reference
Reference document — Secondary reference
189825Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 709474?
709474 is a BEARING,ROLLER,NEEDLE.
What parts can replace 709474?
There are 3 known substitutes for 709474: 52157R, 212MCH1, 189825. Substitute compatibility should be verified for your specific system.
What is the NSN for 709474?
709474 is cataloged in the U.S. Government catalog under NSN 3110-00-120-3115. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.