PartsTable
Technical Data Sheet
B2131 ✓ Verified by PartsTable
· 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

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include material: COPPER OVERALL, thickness: 0.031 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN, bore_shape: STRAIGHT, bore_diameter: 65.00 MILLIMETERS NOMINAL MM, hole_diameter: 0.515 INCHES NOMINAL IN, overall_width: 23.0 MILLIMETERS NOMINAL MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-144-8561, 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
B2131
NSN: 3110-00-144-8561
FSC: 3110
CAGE: 44197 — SAINT-GOBAIN ABRASIVES INC (USA)
SPECIFICATIONS
materialCOPPER OVERALL
thickness0.031 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
bore_shapeSTRAIGHT
bore_diameter65.00 MILLIMETERS NOMINAL MM
hole_diameter0.515 INCHES NOMINAL IN
overall_width23.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
overall_length3.250 INCHES NOMINAL IN
surface_finishGROUND
overall_diameter1.275 INCHES NOMINAL IN
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
contact_arrangementSINGLE POLE, SINGLE THROW, NORMALLY OPEN
NSN3110-00-144-8561
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: B2131 · 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
OVERALL OUTSIDE DIAMETER: 120.00 MILLIMETERS NOMINAL MM
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
MATERIAL: STEEL BALL
SURFACE FINISH: GROUND
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER120.00 MILLIMETERS NOMINAL MM
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL BALL
MATERIALSTEEL INNER RING
MATERIALSTEEL OUTER RING
SURFACE FINISHGROUND
OVERALL WIDTH23.0 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE DIAMETER65.00 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
352250019196Interchangeable
interchangeable cross-reference
interchangeable
VBE402-20Interchangeable
interchangeable cross-reference
interchangeable
6213Interchangeable
interchangeable cross-reference
interchangeable
2LBG24X579AInterchangeable
interchangeable cross-reference
interchangeable
213CInterchangeable
interchangeable cross-reference
interchangeable
213PInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B2131?
B2131 is a RESISTOR,VARIABLE,WIRE WOUND,PRE.
What parts can replace B2131?
There are 32 known substitutes for B2131: 352250019196, VBE402-20, 6213 and 29 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B2131?
B2131 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-144-8561. This indicates validated use in U.S. government and defense supply chains.
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