PartsTable
Technical Data Sheet
71-28C ✓ 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: LUBRICANT LUBRICATION, corner_shape: SQUARE ALL CORNERS, hole_diameter: 0.1875 INCHES NOMINAL FIRST IN, overall_length: 0.7500 INCHES NOMINAL IN, style_designator: SPLIT, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 1.8750 INCHES NOMINAL 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 3120-00-805-5393, 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
71-28C
NSN: 3120-00-805-5393
FSC: 3120
CAGE: 1L170 — MARYSVILLE MARINE DISTRIBUTORS, INC. (USA)
SPECIFICATIONS
materialLUBRICANT LUBRICATION
corner_shapeSQUARE ALL CORNERS
hole_diameter0.1875 INCHES NOMINAL FIRST IN
overall_length0.7500 INCHES NOMINAL IN
style_designatorSPLIT, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter1.8750 INCHES NOMINAL IN
body_outside_diameter2.0000 INCHES NOMINAL IN
lubricant_accommodation_styleINDENTED BALL
antirotation/lubrication_type_and_quantity1 HOLE
NSN3120-00-805-5393
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 71-28C · 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
HOLE DIAMETER: 0.1875 INCHES NOMINAL FIRST IN
MATERIAL: ALUMINUM ALLOY OUTER RACE MEMBER
LUBRICANT ACCOMMODATION STYLE: INDENTED BALL
BODY OUTSIDE DIAMETER: 2.0000 INCHES NOMINAL IN
STYLE DESIGNATOR: SPLIT, PLAIN, NO OUTSIDE FLANGES
BODY INSIDE DIAMETER: 1.8750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.1875 INCHES NOMINAL FIRST IN
MATERIALALUMINUM ALLOY OUTER RACE MEMBER
LUBRICANT ACCOMMODATION STYLEINDENTED BALL
BODY OUTSIDE DIAMETER2.0000 INCHES NOMINAL IN
MATERIALCOPPER ALLOY INNER MEMBER
STYLE DESIGNATORSPLIT, PLAIN, NO OUTSIDE FLANGES
MATERIALLUBRICANT LUBRICATION
BODY INSIDE DIAMETER1.8750 INCHES NOMINAL IN
OVERALL LENGTH0.7500 INCHES NOMINAL IN
ANTIROTATION/LUBRICATION TYPE AND QUANTITY1 HOLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
176-438Interchangeable
interchangeable cross-reference
interchangeable
74481Interchangeable
interchangeable cross-reference
interchangeable
P3000Interchangeable
interchangeable cross-reference
interchangeable
37104-13Interchangeable
interchangeable cross-reference
interchangeable
A515-3Interchangeable
interchangeable cross-reference
interchangeable
X1-2409-1503873REVAPC13Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 71-28C?
71-28C is a BEARING,SLEEVE.
What parts can replace 71-28C?
There are 10 known substitutes for 71-28C: 176-438, 74481, P3000 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 71-28C?
71-28C is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-805-5393. This indicates validated use in U.S. government and defense supply chains.
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