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74849 — ROLLER,LINEAR-ROTARY MOTION

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

74849: ROLLER,LINEAR-ROTARY MOTION.

The ROLLER,LINEAR-ROTARY MOTION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 615, face_width: 0.183 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN, outside_diameter: 0.249 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN, style_designator: PLAIN, bore_inside_diameter: 0.1233 INCHES MINIMUM AND 0.1238 INCHES MAXIMUM IN, fsc_application_data: FUEL CONTROL UNIT TURBINE TYPE ENGINE,AIRCRAFT. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-836-0945, 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
74849
NSN: 3120-00-836-0945
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 11599 — TRIUMPH ENGINE CONTROL SYSTEMS LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 615
face_width0.183 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN
outside_diameter0.249 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
style_designatorPLAIN
bore_inside_diameter0.1233 INCHES MINIMUM AND 0.1238 INCHES MAXIMUM IN
fsc_application_dataFUEL CONTROL UNIT TURBINE TYPE ENGINE,AIRCRAFT
casehardening_indicatorNOT CASEHARDENED
metallic_hardness_rating55.0 MINIMUM ROCKWELL C AND 60.0 MAXIMUM ROCKWELL C
material_document_and_classificationAMS 5616 ASSN STD SINGLE MATERIAL RESPONSE
NSN3120-00-836-0945
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 74849 · 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
•
FSC APPLICATION DATA: FUEL CONTROL UNIT TURBINE TYPE ENGINE,AIRCRAFT
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE
•
OUTSIDE DIAMETER: 0.249 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
MATERIAL: STEEL COMP 615
•
FACE WIDTH: 0.183 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN
•
METALLIC HARDNESS RATING: 55.0 MINIMUM ROCKWELL C AND 60.0 MAXIMUM ROCKWELL C
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAFUEL CONTROL UNIT TURBINE TYPE ENGINE,AIRCRAFT
STYLE DESIGNATORPLAIN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5616 ASSN STD SINGLE MATERIAL RESPONSE
OUTSIDE DIAMETER0.249 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
MATERIALSTEEL COMP 615
FACE WIDTH0.183 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN
METALLIC HARDNESS RATING55.0 MINIMUM ROCKWELL C AND 60.0 MAXIMUM ROCKWELL C
BORE INSIDE DIAMETER0.1233 INCHES MINIMUM AND 0.1238 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
46309Reference 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 74849?
74849 is a ROLLER,LINEAR-ROTARY MOTION.
What parts can replace 74849?
There is 1 known substitute for 74849: 46309. Substitute compatibility should be verified for your specific system.
What is the NSN for 74849?
74849 is cataloged in the U.S. Government catalog under NSN 3120-00-836-0945. This indicates validated use in U.S. government and defense supply chains.
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