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H34 — BEARING,ROLLER,TAPERED

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

H34: 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 shape: RECTANGULAR, height: 0.250 INCHES NOMINAL IN, material: ALUMINUM ALLOY, cup_width: 2.1250 INCHES NOMINAL IN, face_size: 0.250 IN. BY 1.000 IN.

SQUARE IN, cone_width: 2.6250 INCHES NOMINAL IN. This part is cataloged in the U.S. Government catalog under NSN 3110-00-100-4438, 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
MRO→ MRO_GENERAL→ H34
NSN: 3110-00-100-4438
NIINs: 001004438, 003392719, 004008571, 006035591, 011135602, 011934309, 012240404, 014310500, 016511628
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 36384 — FMC CORP LINK-BELT DIV (USA)
SPECIFICATIONS
shapeRECTANGULAR
height0.250 INCHES NOMINAL IN
materialALUMINUM ALLOY
cup_width2.1250 INCHES NOMINAL IN
face_size0.250 IN. BY 1.000 IN. SQUARE IN
cone_width2.6250 INCHES NOMINAL IN
flux_density1150.000 GAUSS MAXIMUM
air_gap_width0.250 INCHES IN
bore_diameter4.2500 INCHES NOMINAL IN
overall_width0.250 INCHES NOMINAL IN
overall_height0.250 INCHES NOMINAL IN
overall_length1.000 INCHES NOMINAL IN
NSN3110-00-100-4438
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: H34 · 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 WIDTH: 2.1250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
OVERALL OUTSIDE DIAMETER: 8.3750 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.1300 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.3100 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.5000 INCHES NOMINAL IN
•
CONE WIDTH: 2.6250 INCHES NOMINAL IN
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 WIDTH2.1250 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
OVERALL WIDTH2.6250 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER8.3750 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.1300 INCHES NOMINAL IN
CONE CORNER RADIUS0.3100 INCHES NOMINAL IN
STANDOUT WIDTH0.5000 INCHES NOMINAL IN
CONE WIDTH2.6250 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER4.2500 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 8
N1226PC10Reference document
Same NSN cross-reference
Reference document — Secondary reference
936-932Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
K3293C1ALT4PC19Reference document
Same NSN cross-reference
Reference document — Secondary reference
1530Reference document
Same NSN cross-reference
Reference document — Secondary reference
K3291W1-91Reference document
Same NSN cross-reference
Reference document — Secondary reference
13575PC131Reference 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 H34?
H34 is a BEARING,ROLLER,TAPERED. It is classified as a MRO (MRO_GENERAL).
What parts can replace H34?
There are 8 known substitutes for H34: N1226PC10, 936-932, K3293C1ALT4PC19 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H34?
H34 is cataloged in the U.S. Government catalog under NSN 3110-00-100-4438. 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.