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MR203B12C15 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

MR203B12C15: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP M50 OUTER RING, bore_shape: STRAIGHT, bore_diameter: 0.6691 INCHES MINIMUM AND 0.6693 INCHES MAXIMUM IN, overall_width: 0.4624 INCHES MINIMUM AND 0.4724 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-132-7079, 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
MR203B12C15
NSN: 3110-01-132-7079
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 83086 — NEW HAMPSHIRE BALL BEARINGS INC DIV HITECH DIVISION (USA)
SPECIFICATIONS
materialSTEEL COMP M50 OUTER RING
bore_shapeSTRAIGHT
bore_diameter0.6691 INCHES MINIMUM AND 0.6693 INCHES MAXIMUM IN
overall_width0.4624 INCHES MINIMUM AND 0.4724 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
features_providedALIGNING RING
internal_clearance0.0050 INCHES MINIMUM RADIAL AND 0.0100 INCHES MAXIMUM RADIAL IN
lubrication_materialOIL
end_item_identificationT62T32A GAS TURBINE ENG
overall_outside_diameter1.5746 INCHES MINIMUM AND 1.5748 INCHES MAXIMUM IN
NSN3110-01-132-7079
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MR203B12C15 · 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
•
LUBRICATION MATERIAL: OIL
•
INTERNAL CLEARANCE: 0.0050 INCHES MINIMUM RADIAL AND 0.0100 INCHES MAXIMUM RADIAL IN
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 1.5746 INCHES MINIMUM AND 1.5748 INCHES MAXIMUM IN
•
FEATURES PROVIDED: ALIGNING RING
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS
LUBRICATION MATERIALOIL
INTERNAL CLEARANCE0.0050 INCHES MINIMUM RADIAL AND 0.0100 INCHES MAXIMUM RADIAL IN
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH0.4624 INCHES MINIMUM AND 0.4724 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER1.5746 INCHES MINIMUM AND 1.5748 INCHES MAXIMUM IN
FEATURES PROVIDEDALIGNING RING
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
SPECIAL FEATURESSPLIT INNER RACE,INNER AND OUTER RACE WIDTHS MUST MATCH WITHIN 0.002 IN; COMPONENTS COMPRISE A MATCHED SET AND MUST BE KEPT TOGETHER AT ALL TIMES; CAGE SILVER PLATED 0.001 TO 0.002 IN. THK. PER AMS 2412 IN
SUBSTITUTES & CROSS-REFERENCES 4
160089-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MTGR-203SD600M2A7PA08L02EKReference document
Same NSN cross-reference
Reference document — Secondary reference
MTGR-203SD600M2A7PA08LO2Reference document
Same NSN cross-reference
Reference document — Secondary reference
9203-UD-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MR203B12C15?
MR203B12C15 is a BEARING,BALL,ANNULAR.
What parts can replace MR203B12C15?
There are 4 known substitutes for MR203B12C15: 160089-1, MTGR-203SD600M2A7PA08L02EK, MTGR-203SD600M2A7PA08LO2 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MR203B12C15?
MR203B12C15 is cataloged in the U.S. Government catalog under NSN 3110-01-132-7079. This indicates validated use in U.S. government and defense supply chains.
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