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6871646 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

6871646: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8620 ROLLER, bore_shape: STRAIGHT, bore_diameter: 2.1647 INCHES MINIMUM AND 2.1652 INCHES MAXIMUM IN, overall_width: 0.8611 INCHES MINIMUM AND 0.8661 INCHES MAXIMUM IN, surface_finish: GROUND, locating_feature: ONE DIRECTION. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-148-2113, 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
6871646
NSN: 3110-00-148-2113
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
materialSTEEL COMP 8620 ROLLER
bore_shapeSTRAIGHT
bore_diameter2.1647 INCHES MINIMUM AND 2.1652 INCHES MAXIMUM IN
overall_width0.8611 INCHES MINIMUM AND 0.8661 INCHES MAXIMUM IN
surface_finishGROUND
locating_featureONE DIRECTION
style_designatorSINGLE ROW, ONE-DIRECTION LOCATING, ONE LIP INNER RING, TWO LIP OUTER RING, SEPARABLE
internal_clearance0.0022 INCHES MINIMUM RADIAL AND 0.0032 INCHES MAXIMUM RADIAL IN
overall_outside_diameter4.1333 INCHES MINIMUM AND 4.1339 INCHES MAXIMUM IN
NSN3110-00-148-2113
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 6871646 · 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 CLEARANCE: 0.0022 INCHES MINIMUM RADIAL AND 0.0032 INCHES MAXIMUM RADIAL IN
•
LOCATING FEATURE: ONE DIRECTION
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: SINGLE ROW, ONE-DIRECTION LOCATING, ONE LIP INNER RING, TWO LIP OUTER RING, SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 4.1333 INCHES MINIMUM AND 4.1339 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS
INTERNAL CLEARANCE0.0022 INCHES MINIMUM RADIAL AND 0.0032 INCHES MAXIMUM RADIAL IN
LOCATING FEATUREONE DIRECTION
SURFACE FINISHGROUND
STYLE DESIGNATORSINGLE ROW, ONE-DIRECTION LOCATING, ONE LIP INNER RING, TWO LIP OUTER RING, SEPARABLE
OVERALL WIDTH0.8611 INCHES MINIMUM AND 0.8661 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER4.1333 INCHES MINIMUM AND 4.1339 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
SPECIAL FEATURESBLACK OXIDE FINISH IN ACCORDANCE WITH MS 2485 FOR OUTER RING,INNER RING AND ROLLERS,RETAINER SILVER PLATED PER AMS 2412,BORE COPPER PLATED PER AMS 2418 0.0001 TO 0.0002 IN. THK,TWO HOLES DRILLED THROUGH INSIDE LIP CORNER 0.0460 IN. MIN 0.0560 IN. MAX DIA 32.0 DEGREES ANGLE 180 DEG APART IN
BORE DIAMETER2.1647 INCHES MINIMUM AND 2.1652 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY RETAINER
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
R0547WB19Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6871646?
6871646 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace 6871646?
There is 1 known substitute for 6871646: R0547WB19. Substitute compatibility should be verified for your specific system.
What is the NSN for 6871646?
6871646 is cataloged in the U.S. Government catalog under NSN 3110-00-148-2113. 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.