PartsTable
Technical Data Sheet
520K4 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include angle: 40.0 DEGREES, material: FIBER AND RUBBER AND FIBER SYNTHETIC AND RUBBER CHLOROPRENE CLASS CR AND RUBBER SYNTHETIC BODY, nominal_width: 0.5624 INCHES IN, performance_type: STANDARD CAPACITY, style_designator: MULTI-RIB BAND DRIVE, strengthening_feature: SYNTHETIC CORD. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0248, 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
520K4
NSN: 3110-00-100-0248
FSC: 3110
CAGE: 18740 — YALE INDUSTRIAL PRODUCTS, INC. DIV DUFF NORTON COMPANY (USA)
SPECIFICATIONS
angle40.0 DEGREES
materialFIBER AND RUBBER AND FIBER SYNTHETIC AND RUBBER CHLOROPRENE CLASS CR AND RUBBER SYNTHETIC BODY
nominal_width0.5624 INCHES IN
performance_typeSTANDARD CAPACITY
section_quantity4
style_designatorMULTI-RIB BAND DRIVE
strengthening_featureSYNTHETIC CORD
environmental_protectionOIL RESISTANT AND HEAT RESISTANT AND STATIC FREE
nominal_effective_outside_length52.000 INCHES IN
NSN3110-00-100-0248
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 520K4 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
2D280Interchangeable
interchangeable cross-reference
interchangeable
MP2011Interchangeable
interchangeable cross-reference
interchangeable
TA2D280Interchangeable
interchangeable cross-reference
interchangeable
305-66Interchangeable
interchangeable cross-reference
interchangeable
211571Interchangeable
interchangeable cross-reference
interchangeable
TG251Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 520K4?
520K4 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 520K4?
There are 28 known substitutes for 520K4: 2D280, MP2011, TA2D280 and 25 more. Substitute compatibility should be verified for your specific system.
Is 520K4 still available?
520K4 is currently cancelled.
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