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3853PC18 — BEARING,ROLLER,TAPERED

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

3853PC18: BEARING,ROLLER,TAPERED.

The BEARING,ROLLER,TAPERED is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE, outside_diameter: 0.693 INCHES NOMINAL IN, center_hole_diameter: 0.482 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-5793, 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
3853PC18
NSN: 3110-00-100-5793
NIINs: 001005793, 010367699
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 50309 — JOHN REINER & CO. INC. (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE
outside_diameter0.693 INCHES NOMINAL IN
center_hole_diameter0.482 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN3110-00-100-5793
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 3853PC18 · 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
•
CUP OUTSIDE DIAMETER: 1.5745 INCHES NOMINAL IN
•
FLANGE OUTSIDE DIAMETER: 1.6995 INCHES NOMINAL IN
•
CUP WIDTH: 0.3750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, FLANGED CUP, NORMAL ANGLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-624 FED SPEC 3RD MATERIAL RESPONSE OR 66 FED STD 4TH MATERIAL RESPONSE CONE
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS
CUP OUTSIDE DIAMETER1.5745 INCHES NOMINAL IN
FLANGE OUTSIDE DIAMETER1.6995 INCHES NOMINAL IN
CUP WIDTH0.3750 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, FLANGED CUP, NORMAL ANGLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-624 FED SPEC 3RD MATERIAL RESPONSE OR 66 FED STD 4TH MATERIAL RESPONSE CONE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-624 FED SPEC 3RD MATERIAL RESPONSE OR 66 FED STD 4TH MATERIAL RESPONSE CUP
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-624 FED SPEC 3RD MATERIAL RESPONSE OR 66 FED STD 4TH MATERIAL RESPONSE ROLLER
OVERALL WIDTH0.4730 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0460 INCHES NOMINAL IN
CONE CORNER RADIUS0.0400 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 7
AP10699Reference document
Same NSN cross-reference
Reference document — Secondary reference
B2010-19PC332Reference document
Same NSN cross-reference
Reference document — Secondary reference
74545AReference document
Same NSN cross-reference
Reference document — Secondary reference
A6075ANDA6157BReference document
Same NSN cross-reference
Reference document — Secondary reference
4359PC9Reference document
Same NSN cross-reference
Reference document — Secondary reference
3156PC18Reference 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 3853PC18?
3853PC18 is a BEARING,ROLLER,TAPERED.
What parts can replace 3853PC18?
There are 7 known substitutes for 3853PC18: AP10699, B2010-19PC332, 74545A and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3853PC18?
3853PC18 is cataloged in the U.S. Government catalog under NSN 3110-00-100-5793. 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.