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27388 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

27388: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, stem_type: RISING, valve_size: 1.500 INCHES IN, bonnet_type: OUTSIDE SCREW-YOKE, pressure_class: ERR-060, connection_type: FLANGE, ROUND W/HOLES. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-702-1540, 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
27388
NSN: 3110-00-702-1540
NIINs: 007021540, 011550200, 011904289
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 99167 — HAMILTON SUNDSTRAND CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
stem_typeRISING
valve_size1.500 INCHES IN
bonnet_typeOUTSIDE SCREW-YOKE
pressure_classERR-060
connection_typeFLANGE, ROUND W/HOLES
flange_diameter6.125 INCHES IN
special_featuresCONVENTIONAL PORT OPENING
features_providedBONNET PACKING
surface_treatmentTAPLOCK,NM50013-50,FSCM 07270 LOCATION NOT OTHERWISE SPECIFIED
bolt_hole_quantity4
flange_face_designRAISED
NSN3110-00-702-1540
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 27388 · 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
•
RETAINER FABRICATION METHOD: MACHINED
•
INTERNAL CLEARANCE: 0.0016 INCHES MINIMUM RADIAL AND 0.0022 INCHES MAXIMUM RADIAL IN
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LOCATING FEATURE: TWO DIRECTION
•
SURFACE FINISH: GROUND
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STYLE DESIGNATOR: DOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE ROLLER
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
INTERNAL CLEARANCE0.0016 INCHES MINIMUM RADIAL AND 0.0022 INCHES MAXIMUM RADIAL IN
LOCATING FEATURETWO DIRECTION
SURFACE FINISHGROUND
STYLE DESIGNATORDOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE ROLLER
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE INNER RING
OVERALL WIDTH0.7430 INCHES MINIMUM AND 0.7480 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER2.8341 INCHES MINIMUM AND 2.8346 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 27388?
27388 is a BEARING,ROLLER,CYLINDRICAL.
What is the NSN for 27388?
27388 is cataloged in the U.S. Government catalog under NSN 3110-00-702-1540. This indicates validated use in U.S. government and defense supply chains.
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