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H690E — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

H690E: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 1.1450 INCHES MINIMUM AND 1.1470 INCHES MAXIMUM IN, housing_length: 2.3750 INCHES NOMINAL IN, shaft_end_type: OPEN, flange_thickness: 0.3130 INCHES NOMINAL IN, housing_diameter: 4.0000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-00-398-6934, 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
H690E
NSN: 3130-00-398-6934
FSC: 3130 — Bearings, Mounted
CAGE: 16712 — SIEMENS ENERGY, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter1.1450 INCHES MINIMUM AND 1.1470 INCHES MAXIMUM IN
housing_length2.3750 INCHES NOMINAL IN
shaft_end_typeOPEN
flange_thickness0.3130 INCHES NOMINAL IN
housing_diameter4.0000 INCHES NOMINAL IN
style_designatorFLANGE BLOCK
bolt_circle_diameter3.2500 INCHES NOMINAL IN
mounting_hole_diameter0.3750 INCHES NOMINAL IN
NSN3130-00-398-6934
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: H690E · 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
•
FLANGE THICKNESS: 0.3130 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLANGE BLOCK
•
MOUNTING HOLE DIAMETER: 0.3750 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 3.2500 INCHES NOMINAL IN
•
SHAFT END TYPE: OPEN
•
BORE DIAMETER: 1.1450 INCHES MINIMUM AND 1.1470 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
HOUSING LENGTH: 2.3750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.3130 INCHES NOMINAL IN
STYLE DESIGNATORFLANGE BLOCK
MOUNTING HOLE DIAMETER0.3750 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER3.2500 INCHES NOMINAL IN
SHAFT END TYPEOPEN
BORE DIAMETER1.1450 INCHES MINIMUM AND 1.1470 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
HOUSING LENGTH2.3750 INCHES NOMINAL IN
HOUSING DIAMETER4.0000 INCHES NOMINAL IN
OTHER ITEMS IN FSC 3130 — Bearings, Mounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3130-00-001-5118 3130-00-001-5137 3130-00-001-6585 3130-00-003-0422 3130-00-003-0455 3130-00-003-0794 3130-00-003-2802 3130-00-003-9535
SUBSTITUTES & CROSS-REFERENCES 1
DD692-S4602-3 PIECE 16Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 H690E?
H690E is a HOUSING,BEARING UNIT.
What parts can replace H690E?
There is 1 known substitute for H690E: DD692-S4602-3 PIECE 16. Substitute compatibility should be verified for your specific system.
What is the NSN for H690E?
H690E is cataloged in the U.S. Government catalog under NSN 3130-00-398-6934. 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.