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77203 — SPINDLE,WHEEL,DRIVING-NONDRIVING

✓ Government record, cited
Legrand · TAPERED BEARING
PRODUCT OVERVIEW

77203: SPINDLE,WHEEL,DRIVING-NONDRIVING.

SPINDLE,WHEEL,DRIVING-NONDRIVING. Key specifications include special_features: CONSISTS OF ARM 1,SPINDLE 1,LUB FITTINGS 2; 5.489 IN. O/A W IN.

This part is cataloged in the U.S. Government catalog under NSN 3110-00-144-8589, 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
77203
NSN: 3110-00-144-8589
NIINs: 001448589, 001556383, 005165289, 008091196, 009996421
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 79347 — WILLIAMS SALES CORP (USA)
SPECIFICATIONS
special_featuresCONSISTS OF ARM 1,SPINDLE 1,LUB FITTINGS 2; 5.489 IN. O/A W IN
NSN3110-00-144-8589
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 77203 · Legrand ⚠ 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
SUBSTITUTES & CROSS-REFERENCES 8
03031-50Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
3B4128Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
ME131AReference document
Same NSN cross-reference
Reference document — Secondary reference
A8241-403 / 82340-197Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
72-8452-003Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
207MBV1Reference 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 77203?
77203 is a SPINDLE,WHEEL,DRIVING-NONDRIVING manufactured by Legrand.
What parts can replace 77203?
There are 8 known substitutes for 77203: 03031-50, 3B4128, ME131A and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 77203?
77203 is cataloged in the U.S. Government catalog under NSN 3110-00-144-8589. This indicates validated use in U.S. government and defense supply chains.
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