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BC56985 — BEARING UNIT,ROLLER

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

BC56985: BEARING UNIT,ROLLER.

The BEARING UNIT,ROLLER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, block_type: FIXED, bore_diameter: 0.1895 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN, alignment_type: RIGID, housing_length: 0.620 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN, shaft_end_type: OPEN. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-253-3191, 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
BC56985
NSN: 3130-01-253-3191
NIINs: 012533191, 013092901
FSC: 3130 — Bearings, Mounted
CAGE: 3NPS1 — RBC AIRCRAFT PRODUCTS, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
block_typeFIXED
bore_diameter0.1895 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN
alignment_typeRIGID
housing_length0.620 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
shaft_end_typeOPEN
flange_thickness0.073 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
surface_treatmentCADMIUM HOUSING EXCLUDING BORE
load_capability_typeRADIAL
end_item_identificationBEECH 300 AIRCRAFT
overall_outside_diameter1.115 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
internal_fit-up_designationSTANDARD
NSN3130-01-253-3191
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: BC56985 · 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
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
FLANGE THICKNESS: 0.073 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
•
ROTATING ELEMENT LOCKING METHOD: STRAIGHT SLEEVE
•
BLOCK TYPE: FIXED
•
OVERALL OUTSIDE DIAMETER: 1.115 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
•
ALIGNMENT TYPE: RIGID
•
ROLLING ELEMENT GROOVE QUANTITY: 1
•
SHAFT END TYPE: OPEN
TECHNICAL CHARACTERISTICS
INTERNAL FIT-UP DESIGNATIONSTANDARD
FLANGE THICKNESS0.073 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
ROTATING ELEMENT LOCKING METHODSTRAIGHT SLEEVE
BLOCK TYPEFIXED
OVERALL OUTSIDE DIAMETER1.115 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
ALIGNMENT TYPERIGID
ROLLING ELEMENT GROOVE QUANTITY1
SHAFT END TYPEOPEN
SURFACE TREATMENTCADMIUM HOUSING EXCLUDING BORE
BORE DIAMETER0.1895 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN
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 BC56985?
BC56985 is a BEARING UNIT,ROLLER.
What is the NSN for BC56985?
BC56985 is cataloged in the U.S. Government catalog under NSN 3130-01-253-3191. This indicates validated use in U.S. government and defense supply chains.
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