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RB11261 ✓ Verified by PartsTable
— · MOTOR
WHAT YOU NEED TO KNOW
NEMA frame determines mounting bolt pattern TEFC for outdoor, ODP for dry indoor only
C-face vs foot-mount — different mounting
PRODUCT OVERVIEW

The RB11261 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6105-00-671-7471, 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
RB11261
NSN: 6105-00-671-7471
FSC: 6105
CAGE: 51663 — HYDRO-AIRE AEROSPACE CORP. DBA LEAR ROMEC DIV LEAR ROMEC (USA)
SPECIFICATIONS
Part NumberRB11261
NSN6105-00-671-7471
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: RB11261 · OEM ⚠ VERIFY BEFORE ORDERING NEMA frame size determines mounting bolt pattern — not interchangeable. 56C ≠ 143T bolt pattern. C-face vs foot-mount vs flange — different mounting, same HP doesn't mean drop-in ✓ BROKER TIP TEFC = outdoor/washdown OK. ODP = dry indoor only. TENV = no external fan, explosion-proof areas. 1750 RPM = 4-pole (most common), 3450 RPM = 2-pole, 1150 RPM = 6-pole PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
DUTY CYCLE: CONTINUOUS
•
SHAFT END CHARACTERISTIC: A2 FIRST STYLE AND A9 SECOND STYLE SINGLE END
•
KEYWAY WIDTH: 0.052 INCHES MINIMUM AND 0.056 INCHES MAXIMUM SINGLE END IN
•
CURRENT RATING IN AMPS: 12.000 SINGLE INPUT
•
UNDERCUT CENTER TO SHAFT END DISTANCE: 0.1245 INCHES NOMINAL SINGLE END IN
•
THREAD LENGTH: 0.3750 INCHES NOMINAL SINGLE END IN
•
INCLOSURE SPECIFICATION: COMMERCIAL
TECHNICAL CHARACTERISTICS (FLIS)
DUTY CYCLECONTINUOUS
SHAFT END CHARACTERISTICA2 FIRST STYLE AND A9 SECOND STYLE SINGLE END
KEYWAY WIDTH0.052 INCHES MINIMUM AND 0.056 INCHES MAXIMUM SINGLE END IN
OVERALL WIDTH2.374 INCHES IN
CURRENT RATING IN AMPS12.000 SINGLE INPUT
UNDERCUT CENTER TO SHAFT END DISTANCE0.1245 INCHES NOMINAL SINGLE END IN
THREAD LENGTH0.3750 INCHES NOMINAL SINGLE END IN
INCLOSURE SPECIFICATIONCOMMERCIAL
COOLING METHODNONVENTILATED
CONNECTION TYPE AND VOLTAGE RATING IN VOLTS27.0 LINE TO NEUTRAL SINGLE INPUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
U-536975-7Upgraded Successor
successor cross-reference
successor
10117417Upgraded Successor
successor cross-reference
successor
DC10Upgraded Successor
successor cross-reference
successor
576R561H40Interchangeable
interchangeable cross-reference
interchangeable
12909-33Interchangeable
interchangeable cross-reference
interchangeable
DC8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RB11261?
RB11261 is a RB11261.
What parts can replace RB11261?
There are 8 known substitutes for RB11261: U-536975-7, 10117417, DC10 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RB11261?
RB11261 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6105-00-671-7471. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026