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BU1220Z — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

BU1220Z: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: STEEL OUTER RING, bore_shape: STRAIGHT, bore_diameter: 100.0 MILLIMETERS NOMINAL MM, overall_width: 34.0 MILLIMETERS NOMINAL MM, surface_finish: GROUND, locating_feature: NONLOCATING. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-155-7381, 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
BU1220Z
NSN: 3110-00-155-7381
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL OUTER RING
bore_shapeSTRAIGHT
bore_diameter100.0 MILLIMETERS NOMINAL MM
overall_width34.0 MILLIMETERS NOMINAL MM
surface_finishGROUND
locating_featureNONLOCATING
style_designatorSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
overall_outside_diameter180.0 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
nondefinitive_spec/std_data212CL1GR00 TYPE
standard_tolerance_designationRBEC NO.1
NSN3110-00-155-7381
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BU1220Z · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
LOCATING FEATURE: NONLOCATING
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: SINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 180.0 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
•
NONDEFINITIVE SPEC/STD DATA: 212CL1GR00 TYPE
TECHNICAL CHARACTERISTICS
INTERNAL FIT-UP DESIGNATIONSTANDARD
LOCATING FEATURENONLOCATING
SURFACE FINISHGROUND
STYLE DESIGNATORSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
OVERALL WIDTH34.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER180.0 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
NONDEFINITIVE SPEC/STD DATA212CL1GR00 TYPE
STANDARD TOLERANCE DESIGNATIONRBEC NO.1
BORE DIAMETER100.0 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES 8
A-A-55602Reference document
Same NSN cross-reference
Reference document — Identification reference
R200Reference document
Same NSN cross-reference
Reference document — Secondary reference
N220Reference document
Same NSN cross-reference
Reference document — Secondary reference
FF-B-185Reference document
Same NSN cross-reference
Reference document — Secondary reference
MCS220XReference document
Same NSN cross-reference
Reference document — Secondary reference
MCS220AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BU1220Z?
BU1220Z is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace BU1220Z?
There are 8 known substitutes for BU1220Z: A-A-55602, R200, N220 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BU1220Z?
BU1220Z is cataloged in the U.S. Government catalog under NSN 3110-00-155-7381. This indicates validated use in U.S. government and defense supply chains.
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