PartsTable
Technical Data Sheet
504BM ✓ 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

RESISTOR,FIXED,WIRE WOUND,INDUCT. Key specifications include material: STEEL AND RUBBER SYNTHETIC SEAL, seal_type: CONTACT, block_type: FIXED, bore_diameter: 1.4375 INCHES NOMINAL IN, housing_width: 4.6250 INCHES NOMINAL IN, seal_location: BOTH ENDS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3130-00-585-1420, 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
504BM
NSN: 3130-00-585-1420
FSC: 3130
CAGE: 05739 — SPENCER MACHINE AND SUPPLY SHOP
SPECIFICATIONS
materialSTEEL AND RUBBER SYNTHETIC SEAL
seal_typeCONTACT
block_typeFIXED
bore_diameter1.4375 INCHES NOMINAL IN
housing_width4.6250 INCHES NOMINAL IN
seal_locationBOTH ENDS
alignment_typeSELF-ALIGNING
housing_length1.9375 INCHES NOMINAL IN
shaft_end_typeOPEN
collar_locationONE END
flange_thickness0.6562 INCHES NOMINAL IN
style_designatorFLANGE BLOCK
NSN3130-00-585-1420
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 504BM · 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 LENGTH: 1.9375 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER: 3.6250 INCHES NOMINAL IN
MATERIAL: IRON CAST HOUSING
STYLE DESIGNATOR: FLANGE BLOCK
LUBRICATION FITTING ANGLE FROM HORIZONTAL CENTERLINE: 90.0 DEGREES NOMINAL
FEATURES PROVIDED: GROUND ROLLING ELEMENT GROOVE
ROLLING ELEMENT GROOVE QUANTITY: 1
LUBRICATION FITTING TYPE: HYDRAULIC
TECHNICAL CHARACTERISTICS (FLIS)
HOUSING LENGTH1.9375 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER3.6250 INCHES NOMINAL IN
MATERIALIRON CAST HOUSING
STYLE DESIGNATORFLANGE BLOCK
LUBRICATION FITTING ANGLE FROM HORIZONTAL CENTERLINE90.0 DEGREES NOMINAL
FEATURES PROVIDEDGROUND ROLLING ELEMENT GROOVE
ROLLING ELEMENT GROOVE QUANTITY1
LUBRICATION FITTING TYPEHYDRAULIC
BLOCK TYPEFIXED
BORE DIAMETER1.4375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
SF23Interchangeable
interchangeable cross-reference
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243618PC21Interchangeable
interchangeable cross-reference
interchangeable
L36Interchangeable
interchangeable cross-reference
interchangeable
5XM10Interchangeable
interchangeable cross-reference
interchangeable
66664Interchangeable
interchangeable cross-reference
interchangeable
LC063J4MWInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 504BM?
504BM is a RESISTOR,FIXED,WIRE WOUND,INDUCT.
What parts can replace 504BM?
There are 10 known substitutes for 504BM: SF23, 243618PC21, L36 and 7 more. Substitute compatibility should be verified for your specific system.
Is 504BM still available?
504BM is currently cancelled.
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