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681670 — ROLLER,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

681670: ROLLER,BEARING.

The ROLLER,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 5140 OVERALL, overall_length: 1.7920 INCHES MINIMUM AND 1.8120 INCHES MAXIMUM IN, special_features: LAPPED FINISH, style_designator: NEEDLE ROLLER, SPHERICAL ENDS, rolling_element_diameter: 0.1247 INCHES MINIMUM AND 0.1249 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-117-0633, 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
681670
NSN: 3110-00-117-0633
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 58275 — SASCO INC CANADIAN DIV
SPECIFICATIONS
materialSTEEL COMP 5140 OVERALL
overall_length1.7920 INCHES MINIMUM AND 1.8120 INCHES MAXIMUM IN
special_featuresLAPPED FINISH
style_designatorNEEDLE ROLLER, SPHERICAL ENDS
rolling_element_diameter0.1247 INCHES MINIMUM AND 0.1249 INCHES MAXIMUM IN
NSN3110-00-117-0633
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 681670 · 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
•
ROLLING ELEMENT DIAMETER: 0.1247 INCHES MINIMUM AND 0.1249 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: NEEDLE ROLLER, SPHERICAL ENDS
•
MATERIAL: STEEL COMP 5140 OVERALL
TECHNICAL CHARACTERISTICS
ROLLING ELEMENT DIAMETER0.1247 INCHES MINIMUM AND 0.1249 INCHES MAXIMUM IN
STYLE DESIGNATORNEEDLE ROLLER, SPHERICAL ENDS
OVERALL LENGTH1.7920 INCHES MINIMUM AND 1.8120 INCHES MAXIMUM IN
SPECIAL FEATURESLAPPED FINISH
MATERIALSTEEL COMP 5140 OVERALL
SUBSTITUTES & CROSS-REFERENCES 8
862365Reference document
Same NSN cross-reference
Reference document — Secondary reference
621G8Reference document
Same NSN cross-reference
Reference document — Secondary reference
B1316QReference document
Same NSN cross-reference
Reference document — Secondary reference
83946AReference document
Same NSN cross-reference
Reference document — Secondary reference
82769ESPC83946AReference document
Same NSN cross-reference
Reference document — Secondary reference
1265658Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 681670?
681670 is a ROLLER,BEARING.
What parts can replace 681670?
There are 8 known substitutes for 681670: 862365, 621G8, B1316Q and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 681670?
681670 is cataloged in the U.S. Government catalog under NSN 3110-00-117-0633. 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.