PartsTable
Technical Data Sheet
AB7 ✓ 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

The BEARING,ROLLER,AIRFRAME is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, connection_type: THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION, connection_style: PLAIN ALL ENDS, style_designator: MALE COUPLING HALF, nominal_thread_size: 0.750 INCHES ALL ENDS IN, quick_disconnect_method: TWO LUG UNIVERSAL ALL ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-143-3023, 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
AB7
NSN: 3110-00-143-3023
FSC: 3110
CAGE: 77896 — REXNORD INDUSTRIES, LLC DIV AEROSSPACE BEARING OPERATION (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
connection_typeTHREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
connection_stylePLAIN ALL ENDS
style_designatorMALE COUPLING HALF
nominal_thread_size0.750 INCHES ALL ENDS IN
quick_disconnect_methodTWO LUG UNIVERSAL ALL ENDS
thread_series_designatorNPT ALL ENDS
nondefinitive_spec/std_data3 TYPE AND 3/4 SIZE
specification/standard_data81343-WW-C-633 GOVERNMENT SPECIFICATION
material_document_and_classificationASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
NSN3110-00-143-3023
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: AB7 · 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
BEARING SEAL TYPE: CONTACT
OVERALL OUTSIDE DIAMETER: 2.0000 INCHES NOMINAL IN
LUBRICATION MATERIAL: GREASE
SEAL QUANTITY: 2
INNER RING WIDTH: 1.5625 INCHES NOMINAL IN
OUTER RING WIDTH: 1.0000 INCHES NOMINAL IN
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
BEARING SEAL TYPECONTACT
OVERALL OUTSIDE DIAMETER2.0000 INCHES NOMINAL IN
LUBRICATION MATERIALGREASE
SEAL QUANTITY2
INNER RING WIDTH1.5625 INCHES NOMINAL IN
SPECIAL FEATURES10 DEG SELF ALIGNMENT IN EITHER DIRECTION,LUBRICANT HOLE AND GROOVE IN OUTER RING,HEAT TREATED SLEEVE AND COLLARS ON INNER RING
OUTER RING WIDTH1.0000 INCHES NOMINAL IN
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
BORE DIAMETER0.4370 INCHES NOMINAL IN
MATERIALSTEEL LOCKING COLLAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
AB-7BRASS3-4Interchangeable
interchangeable cross-reference
interchangeable
AB-7Interchangeable
interchangeable cross-reference
interchangeable
WWC633-14-BInterchangeable
interchangeable cross-reference
interchangeable
AB7ANG25Interchangeable
Same NIIN cross-reference
interchangeable
DAS7-32BQInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AB7?
AB7 is a BEARING,ROLLER,AIRFRAME.
What parts can replace AB7?
There are 5 known substitutes for AB7: AB-7BRASS3-4, AB-7, WWC633-14-B and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AB7?
AB7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-143-3023. This indicates validated use in U.S. government and defense supply chains.
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