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2951212 — BEARING HALF,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

2951212: BEARING HALF,SLEEVE.

The BEARING HALF,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL OUTER LAYER, slot_width: 0.0300 INCHES NOMINAL FIRST IN, slot_length: 0.0600 INCHES NOMINAL FIRST IN, corner_shape: SQUARE ALL CORNERS, overall_length: 0.9220 INCHES MINIMUM AND 0.9320 INCHES MAXIMUM IN, style_designator: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-838-2599, 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
2951212
NSN: 3120-00-838-2599
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 72546 — GLACIER VANDERVELL INC (USA)
SPECIFICATIONS
materialSTEEL OUTER LAYER
slot_width0.0300 INCHES NOMINAL FIRST IN
slot_length0.0600 INCHES NOMINAL FIRST IN
corner_shapeSQUARE ALL CORNERS
overall_length0.9220 INCHES MINIMUM AND 0.9320 INCHES MAXIMUM IN
style_designatorHALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
locking_lug_width0.1500 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM IN
locking_lug_height0.0310 INCHES MINIMUM AND 0.0410 INCHES MAXIMUM IN
locking_lug_length0.2200 INCHES NOMINAL IN
body_inside_diameter2.1200 INCHES MINIMUM AND 2.1205 INCHES MAXIMUM IN
body_outside_diameter2.5000 INCHES MINIMUM AND 2.5005 INCHES MAXIMUM IN
distance_from_lug_end_to_end_of_bearing0.1590 INCHES MINIMUM AND 0.1665 INCHES MAXIMUM IN
NSN3120-00-838-2599
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 2951212 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CORNER SHAPE: SQUARE ALL CORNERS
•
DISTANCE FROM CENTERLINE OF OPENING TO LEFT END OF BEARING: 0.4600 INCHES NOMINAL FIRST IN
•
LOCKING LUG HEIGHT: 0.0310 INCHES MINIMUM AND 0.0410 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 2.5000 INCHES MINIMUM AND 2.5005 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 2.1200 INCHES MINIMUM AND 2.1205 INCHES MAXIMUM IN
•
LOCKING LUG WIDTH: 0.1500 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
DISTANCE FROM CENTERLINE OF OPENING TO LEFT END OF BEARING0.4600 INCHES NOMINAL FIRST IN
LOCKING LUG HEIGHT0.0310 INCHES MINIMUM AND 0.0410 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER2.5000 INCHES MINIMUM AND 2.5005 INCHES MAXIMUM IN
STYLE DESIGNATORHALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH0.9220 INCHES MINIMUM AND 0.9320 INCHES MAXIMUM IN
BODY INSIDE DIAMETER2.1200 INCHES MINIMUM AND 2.1205 INCHES MAXIMUM IN
LOCKING LUG WIDTH0.1500 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM IN
ANTIROTATION/LUBRICATION TYPE AND QUANTITY1 SLOT
DISTANCE FROM LUG END TO END OF BEARING0.1590 INCHES MINIMUM AND 0.1665 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 5
1851617Reference document
Same NSN cross-reference
Reference document — Secondary reference
10861844Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
CB527P10Reference document
Same NSN cross-reference
Reference document — Secondary reference
DE1205APX10Reference document
Same NSN cross-reference
Reference document — Secondary reference
DSG1261Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2951212?
2951212 is a BEARING HALF,SLEEVE.
What parts can replace 2951212?
There are 5 known substitutes for 2951212: 1851617, 10861844, CB527P10 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2951212?
2951212 is cataloged in the U.S. Government catalog under NSN 3120-00-838-2599. 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.