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MR-207-D-401 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

MR-207-D-401: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY RETAINER, bore_shape: STRAIGHT, bore_diameter: 1.3777 INCHES MINIMUM AND 1.3780 INCHES MAXIMUM IN, overall_width: 0.6643 INCHES MINIMUM AND 0.6693 INCHES MAXIMUM IN, surface_finish: GROUND, locating_feature: NONLOCATING. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-124-4007, 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
MR-207-D-401
NSN: 3110-01-124-4007
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY RETAINER
bore_shapeSTRAIGHT
bore_diameter1.3777 INCHES MINIMUM AND 1.3780 INCHES MAXIMUM IN
overall_width0.6643 INCHES MINIMUM AND 0.6693 INCHES MAXIMUM IN
surface_finishGROUND
locating_featureNONLOCATING
style_designatorSINGLE ROW, ONE-DIRECTION LOCATING, ONE LIP INNER RING, TWO LIP OUTER RING, ROLLER RETAINMENT RING ON INNER RING, NON-SEPARABLE
internal_clearance0.0017 INCHES MINIMUM RADIAL AND 0.0024 INCHES MAXIMUM RADIAL IN
overall_outside_diameter2.8342 INCHES MINIMUM AND 2.8346 INCHES MAXIMUM IN
retainer_fabrication_methodMACHINED
standard_tolerance_designationRBEC NO.5
NSN3110-01-124-4007
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MR-207-D-401 · 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
•
RETAINER FABRICATION METHOD: MACHINED
•
INTERNAL CLEARANCE: 0.0017 INCHES MINIMUM RADIAL AND 0.0024 INCHES MAXIMUM RADIAL IN
•
LOCATING FEATURE: NONLOCATING
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: SINGLE ROW, ONE-DIRECTION LOCATING, ONE LIP INNER RING, TWO LIP OUTER RING, ROLLER RETAINMENT RING ON INNER RING, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 2.8342 INCHES MINIMUM AND 2.8346 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
INTERNAL CLEARANCE0.0017 INCHES MINIMUM RADIAL AND 0.0024 INCHES MAXIMUM RADIAL IN
LOCATING FEATURENONLOCATING
SURFACE FINISHGROUND
STYLE DESIGNATORSINGLE ROW, ONE-DIRECTION LOCATING, ONE LIP INNER RING, TWO LIP OUTER RING, ROLLER RETAINMENT RING ON INNER RING, NON-SEPARABLE
OVERALL WIDTH0.6643 INCHES MINIMUM AND 0.6693 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER2.8342 INCHES MINIMUM AND 2.8346 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
STANDARD TOLERANCE DESIGNATIONRBEC NO.5
BORE DIAMETER1.3777 INCHES MINIMUM AND 1.3780 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES 1
SB2153-104Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 MR-207-D-401?
MR-207-D-401 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace MR-207-D-401?
There is 1 known substitute for MR-207-D-401: SB2153-104. Substitute compatibility should be verified for your specific system.
What is the NSN for MR-207-D-401?
MR-207-D-401 is cataloged in the U.S. Government catalog under NSN 3110-01-124-4007. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.