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Technical Data Sheet
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RBC6ANG25 — Technical Data Sheet

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— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 0.3750 INCHES NOMINAL IN, alignment_type: RIGID, surface_finish: GROUND, inner_ring_width: 0.5000 INCHES NOMINAL IN, outer_ring_width: 0.3750 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 3110-00-157-0613, 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
RBC6ANG25
NSN: 3110-00-157-0613
FSC: 3110
CAGE: 51588 — RBC BEARINGS INCORPORATED DIV WEST TRENTON DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter0.3750 INCHES NOMINAL IN
alignment_typeRIGID
surface_finishGROUND
inner_ring_width0.5000 INCHES NOMINAL IN
outer_ring_width0.3750 INCHES NOMINAL IN
style_designatorAIRFRAME, HARDENED AND GROUND, NON-SEPARABLE
surface_treatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
lubrication_materialGREASE
overall_outside_diameter0.9375 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
standard_tolerance_designationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
NSN3110-00-157-0613
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: RBC6ANG25 · 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 DOCUMENT AND CLASSIFICATION: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
•
LUBRICATION MATERIAL: GREASE
•
RETAINER FABRICATION METHOD: PRESSED
•
INNER RING WIDTH: 0.5000 INCHES NOMINAL IN
•
OUTER RING WIDTH: 0.3750 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
•
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
LUBRICATION MATERIALGREASE
RETAINER FABRICATION METHODPRESSED
INNER RING WIDTH0.5000 INCHES NOMINAL IN
OUTER RING WIDTH0.3750 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
LUBRICATION MATERIALGREASE
SURFACE FINISHGROUND
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
STYLE DESIGNATORAIRFRAME, HARDENED AND GROUND, NON-SEPARABLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
633574InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
FF151InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
8-1049-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
7531InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
O-C-265InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
A-A-59282InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RBC6ANG25?
RBC6ANG25 is a BEARING,ROLLER,NEEDLE.
What parts can replace RBC6ANG25?
There are 16 known substitutes for RBC6ANG25: 633574, FF151, 8-1049-1 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RBC6ANG25?
RBC6ANG25 is cataloged in the Federal Logistics Information System under NSN 3110-00-157-0613. This indicates validated use in U.S. government and defense supply chains.
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Last verified: September 2026