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Technical Data Sheet

B-76 — Technical Data Sheet

✓ 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

MOUNTING BASE,ELECTRICAL EQUIPME. Key specifications include angle: 40.0 DEGREES, material: FIBER AND RUBBER AND FIBER SYNTHETIC AND RUBBER CHLOROPRENE CLASS CR AND RUBBER SYNTHETIC BODY, bore_diameter: 0.4375 INCHES NOMINAL IN, nominal_width: 0.656 INCHES IN, overall_width: 0.3750 INCHES NOMINAL IN, alignment_type: RIGID. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 3110-00-001-1937, 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
B-76
NSN: 3110-00-001-1937
FSC: 3110
CAGE: 60380 — TIMKEN AEROSPACE, INC DBA TORRINGTON PRODUCT (USA)
SPECIFICATIONS
angle40.0 DEGREES
materialFIBER AND RUBBER AND FIBER SYNTHETIC AND RUBBER CHLOROPRENE CLASS CR AND RUBBER SYNTHETIC BODY
bore_diameter0.4375 INCHES NOMINAL IN
nominal_width0.656 INCHES IN
overall_width0.3750 INCHES NOMINAL IN
alignment_typeRIGID
surface_finishGROUND
performance_typeSTANDARD CAPACITY
special_featuresOIL HOLE IN OUTER RING
style_designatorPLAIN, COG OR NOTCHED
cross-sectional_sizeB
nominal_pitch_length77.800 INCHES IN
NSN3110-00-001-1937
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: B-76 · 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: 0.6250 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: NON-SEPARABLE, OPEN END, DRAWN SHELL
•
BORE DIAMETER: 0.4375 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
•
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS
OVERALL OUTSIDE DIAMETER0.6250 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
MATERIALSTEEL OVERALL
SPECIAL FEATURESOIL HOLE IN OUTER RING
STYLE DESIGNATORNON-SEPARABLE, OPEN END, DRAWN SHELL
BORE DIAMETER0.4375 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
SURFACE FINISHGROUND
OVERALL WIDTH0.3750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
E.MT.5029InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
921691.0001InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1R0658InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
111PC5InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
52201InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
717-002166InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B-76?
B-76 is a MOUNTING BASE,ELECTRICAL EQUIPME.
What parts can replace B-76?
There are 10 known substitutes for B-76: E.MT.5029, 921691.0001, 1R0658 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B-76?
B-76 is cataloged in the Federal Logistics Information System under NSN 3110-00-001-1937. This indicates validated use in U.S. government and defense supply chains.
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