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Technical Data Sheet
PartsTable / COMPONENT / KNRJ56-UDV-30-5
KNRJ56-UDV-30-5 ✓ 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,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, corner_shape: UNDERCUT ALL CORNERS, flange_width: 0.1870 INCHES NOMINAL IN, overall_length: 1.1190 INCHES MINIMUM AND 1.1290 INCHES MAXIMUM IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, body_inside_diameter: 3.5040 INCHES MINIMUM AND 3.5060 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-524-7820, 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
KNRJ56-UDV-30-5
NSN: 3120-01-524-7820
FSC: 3120
CAGE: 50632 — KAMATICS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
corner_shapeUNDERCUT ALL CORNERS
flange_width0.1870 INCHES NOMINAL IN
overall_length1.1190 INCHES MINIMUM AND 1.1290 INCHES MAXIMUM IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter3.5040 INCHES MINIMUM AND 3.5060 INCHES MAXIMUM IN
body_outside_diameter4.0010 INCHES MINIMUM AND 4.0025 INCHES MAXIMUM IN
end_item_identificationDOGGING ASSY BRIDGE, AFT AND FWD RAMPS
flange_outside_diameter4.4850 INCHES MINIMUM AND 4.5150 INCHES MAXIMUM IN
NSN3120-01-524-7820
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: KNRJ56-UDV-30-5 · 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
•
CORNER SHAPE: UNDERCUT ALL CORNERS
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
BODY OUTSIDE DIAMETER: 4.0010 INCHES MINIMUM AND 4.0025 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 3.5040 INCHES MINIMUM AND 3.5060 INCHES MAXIMUM IN
•
FLANGE OUTSIDE DIAMETER: 4.4850 INCHES MINIMUM AND 4.5150 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CORNER SHAPEUNDERCUT ALL CORNERS
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
MATERIALSTEEL CORROSION RESISTING OVERALL
BODY OUTSIDE DIAMETER4.0010 INCHES MINIMUM AND 4.0025 INCHES MAXIMUM IN
BODY INSIDE DIAMETER3.5040 INCHES MINIMUM AND 3.5060 INCHES MAXIMUM IN
OVERALL LENGTH1.1190 INCHES MINIMUM AND 1.1290 INCHES MAXIMUM IN
FLANGE OUTSIDE DIAMETER4.4850 INCHES MINIMUM AND 4.5150 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONDOGGING ASSY BRIDGE, AFT AND FWD RAMPS
FLANGE WIDTH0.1870 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
42-6880-350-400Interchangeable
interchangeable cross-reference
interchangeable
179096Interchangeable
interchangeable cross-reference
interchangeable
20735B005 REV A FN 6Interchangeable
interchangeable cross-reference
interchangeable
20735B005Interchangeable
interchangeable cross-reference
interchangeable
179091Interchangeable
interchangeable cross-reference
interchangeable
M/SUTU0100Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is KNRJ56-UDV-30-5?
KNRJ56-UDV-30-5 is a BEARING,SLEEVE.
What parts can replace KNRJ56-UDV-30-5?
There are 7 known substitutes for KNRJ56-UDV-30-5: 42-6880-350-400, 179096, 20735B005 REV A FN 6 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for KNRJ56-UDV-30-5?
KNRJ56-UDV-30-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-524-7820. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026