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RX-136645 — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

RX-136645: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include bore_diameter: 3.9373 INCHES MINIMUM AND 3.9376 INCHES MAXIMUM IN, mounting_hole_type: SLOTTED. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-142-4909, 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
RX-136645
NSN: 3130-01-142-4909
FSC: 3130 — Bearings, Mounted
CAGE: 07310 — CALABRESE & SONS, INC. (USA)
SPECIFICATIONS
bore_diameter3.9373 INCHES MINIMUM AND 3.9376 INCHES MAXIMUM IN
mounting_hole_typeSLOTTED
NSN3130-01-142-4909
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: RX-136645 · 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
•
MOUNTING HOLE TYPE: SLOTTED
•
BORE DIAMETER: 3.9373 INCHES MINIMUM AND 3.9376 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE TYPESLOTTED
BORE DIAMETER3.9373 INCHES MINIMUM AND 3.9376 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 3
MIL-C-24707Reference document
Same NSN cross-reference
Reference document — Identification reference
936645-00Reference document
Same NSN cross-reference
Reference document — Secondary reference
936645Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RX-136645?
RX-136645 is a HOUSING,BEARING UNIT.
What parts can replace RX-136645?
There are 3 known substitutes for RX-136645: MIL-C-24707, 936645-00, 936645. Substitute compatibility should be verified for your specific system.
What is the NSN for RX-136645?
RX-136645 is cataloged in the U.S. Government catalog under NSN 3130-01-142-4909. 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.