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H832-1691-57 — BEARING UNIT,ROLLER

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

H832-1691-57: BEARING UNIT,ROLLER.

The BEARING UNIT,ROLLER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, housing_width: 2.620 INCHES NOMINAL IN, housing_height: 3.125 INCHES NOMINAL IN, special_features: NSSN CLASS SUBMARINE WEAPONS CRADLE SHIPPING EQUIPMENT ASSY, style_designator: PILLOW BLOCK, OPTIONAL SPLIT, end_item_identification: ROLLER, AY, UPR. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-581-8899, 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
H832-1691-57
NSN: 3130-01-581-8899
FSC: 3130 — Bearings, Mounted
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
housing_width2.620 INCHES NOMINAL IN
housing_height3.125 INCHES NOMINAL IN
special_featuresNSSN CLASS SUBMARINE WEAPONS CRADLE SHIPPING EQUIPMENT ASSY
style_designatorPILLOW BLOCK, OPTIONAL SPLIT
end_item_identificationROLLER, AY, UPR
part_name_assigned_by_controlling_agencyBLOCK, ROLLER
NSN3130-01-581-8899
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: H832-1691-57 · 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
•
HOUSING HEIGHT: 3.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PILLOW BLOCK, OPTIONAL SPLIT
•
HOUSING WIDTH: 2.620 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 316 OVERALL
TECHNICAL CHARACTERISTICS
HOUSING HEIGHT3.125 INCHES NOMINAL IN
STYLE DESIGNATORPILLOW BLOCK, OPTIONAL SPLIT
HOUSING WIDTH2.620 INCHES NOMINAL IN
SPECIAL FEATURESNSSN CLASS SUBMARINE WEAPONS CRADLE SHIPPING EQUIPMENT ASSY
PART NAME ASSIGNED BY CONTROLLING AGENCYBLOCK, ROLLER
END ITEM IDENTIFICATIONROLLER, AY, UPR
MATERIALSTEEL COMP 316 OVERALL
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

No substitute or cross-reference records for this part.

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 H832-1691-57?
H832-1691-57 is a BEARING UNIT,ROLLER.
What is the NSN for H832-1691-57?
H832-1691-57 is cataloged in the U.S. Government catalog under NSN 3130-01-581-8899. 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.