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MBS135 ✓ 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 SET,SLEEVE is a the manufacturer industrial component. Key specifications include sight_height: 10.250 INCHES NOMINAL IN, furnished_data: LIQUID LEVEL, overall_height: 13.000 INCHES NOMINAL IN, overall_length: 2.000 INCHES NOMINAL IN, style_designator: DOUBLE-MOUNT GLASS CYLINDER, thread_direction: UNABLE TO DECODE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-358-2216, 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
MBS135
NSN: 3120-00-358-2216
FSC: 3120
CAGE: 76255 — MCQUAY-NORRIS INC OEM DIV AN SKF INDUSTRIES CO
SPECIFICATIONS
sight_height10.250 INCHES NOMINAL IN
furnished_dataLIQUID LEVEL
overall_height13.000 INCHES NOMINAL IN
overall_length2.000 INCHES NOMINAL IN
style_designatorDOUBLE-MOUNT GLASS CYLINDER
thread_directionUNABLE TO DECODE
guard_rod_quantity3
end_connection_typeUNABLE TO DECODE
nominal_thread_sizeUNABLE TO DECODE
data_furnishing_methodCLEAR WINDOW
media_for_which_designedOIL AND WATER
thread_quantity_per_inchUNABLE TO DECODE
NSN3120-00-358-2216
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: MBS135 · 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 5
423-2Interchangeable
interchangeable cross-reference
interchangeable
423Interchangeable
interchangeable cross-reference
interchangeable
68312AInterchangeable
Same NIIN cross-reference
interchangeable
423MInterchangeable
Same NIIN cross-reference
interchangeable
25Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MBS135?
MBS135 is a BEARING SET,SLEEVE.
What parts can replace MBS135?
There are 5 known substitutes for MBS135: 423-2, 423, 68312A and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MBS135?
MBS135 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-358-2216. 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