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IR88 — RING,BEARING,INNER

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

IR88: RING,BEARING,INNER.

The RING,BEARING,INNER is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, bore_shape: STRAIGHT, bore_diameter: 0.5000 INCHES NOMINAL IN, overall_width: 0.5000 INCHES NOMINAL IN, surface_finish: GROUND, style_designator: SOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-271-0177, 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
IR88
NSN: 3110-00-271-0177
NIINs: 002710177, 015029112
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 60380 — TIMKEN AEROSPACE, INC DBA TORRINGTON PRODUCT (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
bore_shapeSTRAIGHT
bore_diameter0.5000 INCHES NOMINAL IN
overall_width0.5000 INCHES NOMINAL IN
surface_finishGROUND
special_featuresITEM IS SOFT COLORED SILICONE RAIL WHICH SECURELY HOLDS DENTAL INSTRUMENTS IN A CASSETTE (KIT); KIT HOLDS 8 INSTURMENTS; COLOR BLUE
style_designatorSOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE
end_item_identificationDENTAL SET
overall_outside_diameter0.7500 INCHES NOMINAL IN
water_resistance_qualityINCLUDED
standard_tolerance_designationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
NSN3110-00-271-0177
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: IR88 · 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
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: SOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE
•
OVERALL OUTSIDE DIAMETER: 0.7500 INCHES NOMINAL IN
•
BORE SHAPE: STRAIGHT
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
•
BORE DIAMETER: 0.5000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE FINISHGROUND
STYLE DESIGNATORSOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE
OVERALL WIDTH0.5000 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER0.7500 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
SPECIAL FEATURESSLIGHT CHAMFER ON BOTH ENDS
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
BORE DIAMETER0.5000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 4
ASTM F2163Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS17130-65Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
1R88Reference document
Same NSN cross-reference
Reference document — Secondary reference
IR-88-LReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is IR88?
IR88 is a RING,BEARING,INNER.
What parts can replace IR88?
There are 4 known substitutes for IR88: ASTM F2163, MS17130-65, 1R88 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for IR88?
IR88 is cataloged in the U.S. Government catalog under NSN 3110-00-271-0177. This indicates validated use in U.S. government and defense supply chains.
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