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Technical Data Sheet
PartsTable / COMPONENT / 4F3-4
4F3-4 ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The BEARING UNIT,BALL is a the manufacturer industrial component. Key specifications include material: STEEL AND WOOL SEAL, seal_type: CONTACT, block_type: FIXED, bore_diameter: 0.7500 INCHES NOMINAL IN, housing_width: 3.3750 INCHES NOMINAL IN, seal_location: BOTH ENDS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3130-00-810-6587, 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
4F3-4
NSN: 3130-00-810-6587
FSC: 3130
CAGE: 71041 — ALTRA INDUSTRIAL MOTION CORP. (USA)
SPECIFICATIONS
materialSTEEL AND WOOL SEAL
seal_typeCONTACT
block_typeFIXED
bore_diameter0.7500 INCHES NOMINAL IN
housing_width3.3750 INCHES NOMINAL IN
seal_locationBOTH ENDS
alignment_typeSELF-ALIGNING
housing_length1.1562 INCHES NOMINAL IN
shaft_end_typeOPEN
flange_thickness0.3125 INCHES NOMINAL IN
style_designatorFLANGE BLOCK
features_providedGROUND ROLLING ELEMENT GROOVE
NSN3130-00-810-6587
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 4F3-4 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
ROTATING ELEMENT LOCKING METHOD: DIRECT
•
ASSEMBLY OVERALL LENGTH: 1.3750 INCHES NOMINAL IN
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
STYLE DESIGNATOR: FLANGE BLOCK
•
MATERIAL: IRON CAST HOUSING
•
HOUSING WIDTH: 3.3750 INCHES NOMINAL IN
•
SEAL LOCATION: BOTH ENDS
TECHNICAL CHARACTERISTICS (FLIS)
ROTATING ELEMENT LOCKING METHODDIRECT
ASSEMBLY OVERALL LENGTH1.3750 INCHES NOMINAL IN
INTERNAL FIT-UP DESIGNATIONSTANDARD
STYLE DESIGNATORFLANGE BLOCK
MATERIALIRON CAST HOUSING
MATERIALSTEEL AND WOOL SEAL
HOUSING WIDTH3.3750 INCHES NOMINAL IN
SEAL LOCATIONBOTH ENDS
BLOCK TYPEFIXED
BOLT CIRCLE DIAMETER2.5000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
19340-3AInterchangeable
interchangeable cross-reference
interchangeable
243273Interchangeable
interchangeable cross-reference
interchangeable
4010-304-022Interchangeable
interchangeable cross-reference
interchangeable
4Interchangeable
interchangeable cross-reference
interchangeable
462Interchangeable
interchangeable cross-reference
interchangeable
A4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4F3-4?
4F3-4 is a BEARING UNIT,BALL.
What parts can replace 4F3-4?
There are 31 known substitutes for 4F3-4: 19340-3A, 243273, 4010-304-022 and 28 more. Substitute compatibility should be verified for your specific system.
Is 4F3-4 still available?
4F3-4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026