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917138-4 — BEARING,PLAIN,SELF-ALIGNING

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

917138-4: BEARING,PLAIN,SELF-ALIGNING.

The BEARING,PLAIN,SELF-ALIGNING is a the manufacturer industrial component. Key specifications include phase: SINGLE, length: 1.625 INCHES NOMINAL IN, material: PLASTIC POLYCARBONATE BLADE, drive_type: DIRECT, air_flow_rate: 57.0 CUBIC FEET PER MINUTE NOMINAL, flow_direction: OUTWARD. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-801-0348, 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
917138-4
NSN: 3120-00-801-0348
NIINs: 008010348, 010209921
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
phaseSINGLE
length1.625 INCHES NOMINAL IN
materialPLASTIC POLYCARBONATE BLADE
drive_typeDIRECT
air_flow_rate57.0 CUBIC FEET PER MINUTE NOMINAL
flow_directionOUTWARD
inclosure_typeFULLY INCLOSED
prime_mover_typeELECTRIC MOTOR
special_featuresHI-SHOCK HOUSING
style_designatorFIXED
speed_adjustmentsSINGLE SPEED
surface_treatmentENAMEL HOUSING
NSN3120-00-801-0348
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 917138-4 · 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
•
INNER MEMBER WIDTH: 0.8700 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
•
HARDNESS RATING: 36.0 ROCKWELL C NOMINAL INNER MEMBER
•
OUTER MEMBER WIDTH: 0.6250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: WITHOUT INSERT OR LINER
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OUTER RACE MEMBER
•
LUBRICATION FEATURE: PERFORATION OUTER RACE MEMBER
TECHNICAL CHARACTERISTICS
INNER MEMBER WIDTH0.8700 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
HARDNESS RATING36.0 ROCKWELL C NOMINAL INNER MEMBER
OUTER MEMBER WIDTH0.6250 INCHES NOMINAL IN
STYLE DESIGNATORWITHOUT INSERT OR LINER
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OUTER RACE MEMBER
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE INNER MEMBER
LUBRICATION FEATUREPERFORATION OUTER RACE MEMBER
LUBRICATION FEATUREPERFORATION INNER MEMBER
LUBRICATION FEATUREGROOVE INTERNAL INNER MEMBER
SURFACE TREATMENTCADMIUM OUTER RACE MEMBER
SUBSTITUTES & CROSS-REFERENCES 1
WBG12SAReference 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 917138-4?
917138-4 is a BEARING,PLAIN,SELF-ALIGNING.
What parts can replace 917138-4?
There is 1 known substitute for 917138-4: WBG12SA. Substitute compatibility should be verified for your specific system.
What is the NSN for 917138-4?
917138-4 is cataloged in the U.S. Government catalog under NSN 3120-00-801-0348. This indicates validated use in U.S. government and defense supply chains.
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