PartsTable
Technical Data Sheet
CL251 ✓ Verified by PartsTable
· BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The COIL,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: IRON CAST HOUSING, seal_type: LABYRINTH, block_type: FIXED, base_length: 1.7500 INCHES NOMINAL IN, body_length: 0.812 INCHES NOMINAL IN, bore_diameter: 1.0000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3130-00-159-1475, 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
CL251
NSN: 3130-00-159-1475
FSC: 3130
CAGE: 39317 — MCGILL MANUFACTURING COMPANY INC USE CAGE CODE 92563 FOR CATALOGING. (USA)
SPECIFICATIONS
materialIRON CAST HOUSING
seal_typeLABYRINTH
block_typeFIXED
base_length1.7500 INCHES NOMINAL IN
body_length0.812 INCHES NOMINAL IN
bore_diameter1.0000 INCHES NOMINAL IN
housing_width5.5000 INCHES NOMINAL IN
rating_methodELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING
seal_locationBOTH ENDS
turn_quantity7 SINGLE COMPONENT SINGLE WINDING
alignment_typeSELF-ALIGNING
base_thickness0.6250 INCHES NOMINAL IN
NSN3130-00-159-1475
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: CL251 · 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
MATERIAL: STEEL SEAL
ROLLING ELEMENT GROOVE QUANTITY: 1
SHAFT END TYPE: OPEN
MOUNTING HOLE TYPE: SLOTTED
HEIGHT FROM BOTTOM OF BASE TO BORE CENTERLINE: 1.3125 INCHES NOMINAL IN
ALIGNMENT TYPE: SELF-ALIGNING
SEAL TYPE: LABYRINTH
STYLE DESIGNATOR: PILLOW BLOCK, SOLID
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL SEAL
ROLLING ELEMENT GROOVE QUANTITY1
SHAFT END TYPEOPEN
MOUNTING HOLE TYPESLOTTED
HEIGHT FROM BOTTOM OF BASE TO BORE CENTERLINE1.3125 INCHES NOMINAL IN
ALIGNMENT TYPESELF-ALIGNING
SEAL TYPELABYRINTH
STYLE DESIGNATORPILLOW BLOCK, SOLID
ASSEMBLY OVERALL LENGTH1.7500 INCHES NOMINAL IN
STYLE DESIGNATORPILLOW BLOCK, SOLID
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
618998-7Interchangeable
interchangeable cross-reference
interchangeable
9946Interchangeable
interchangeable cross-reference
interchangeable
MC946LAInterchangeable
interchangeable cross-reference
interchangeable
40-654-1008-09Interchangeable
interchangeable cross-reference
interchangeable
SW946-1FInterchangeable
interchangeable cross-reference
interchangeable
9401-00003Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CL251?
CL251 is a COIL,RADIO FREQUENCY.
What parts can replace CL251?
There are 24 known substitutes for CL251: 618998-7, 9946, MC946LA and 21 more. Substitute compatibility should be verified for your specific system.
Is CL251 still available?
CL251 is currently cancelled.
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