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Technical Data Sheet
PartsTable / COMPONENT / B1288-5
B1288-5 ✓ 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: COPPER ALLOY FILTERING MEDIUM, duty_type: CONTINUOUS, design_type: REUSABLE, body_diameter: 0.969 INCHES NOMINAL IN, overall_width: 1.620 INCHES NOMINAL IN, flow_direction: OUTSIDE 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 3120-01-275-8633, 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
B1288-5
NSN: 3120-01-275-8633
FSC: 3120
CAGE: 1NH57 — ARCOSA MARINE COMPONENTS, LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY FILTERING MEDIUM
duty_typeCONTINUOUS
design_typeREUSABLE
body_diameter0.969 INCHES NOMINAL IN
coil_quantity1
overall_width1.620 INCHES NOMINAL IN
flow_directionOUTSIDE IN
overall_height1.870 INCHES NOMINAL IN
overall_length1.500 INCHES NOMINAL IN
special_features7.62X51MAGAZINE ASSEMBLY, MRAD/98B, 10 ROUND, "C".
style_designatorMULTIPLE STACKED DISKS, W/CLEANING BLADES
winding_quantity1
NSN3120-01-275-8633
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: B1288-5 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
1289-5Interchangeable
interchangeable cross-reference
interchangeable
1288-5Interchangeable
interchangeable cross-reference
interchangeable
7109318-001Interchangeable
interchangeable cross-reference
interchangeable
7710-7Interchangeable
interchangeable cross-reference
interchangeable
7710Interchangeable
interchangeable cross-reference
interchangeable
PG2A115VACInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B1288-5?
B1288-5 is a BEARING,SLEEVE.
What parts can replace B1288-5?
There are 9 known substitutes for B1288-5: 1289-5, 1288-5, 7109318-001 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B1288-5?
B1288-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-275-8633. 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