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RA108 — BEARING,WASHER,THRUST

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

RA108: BEARING,WASHER,THRUST.

The BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include material: RUBBER SEAL, seal_type: CONTACT, block_type: FIXED, base_length: 2.1250 INCHES NOMINAL IN, bore_diameter: 1.7500 INCHES NOMINAL IN, housing_width: 7.0000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-00-374-3357, 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
MRO→ MRO_GENERAL→ RA108
NSN: 3130-00-374-3357
NIINs: 003743357, 006109236
FSC: 3130 — Bearings, Mounted
CAGE: 73393 — FRIEND MFG CORP (USA)
SPECIFICATIONS
materialRUBBER SEAL
seal_typeCONTACT
block_typeFIXED
base_length2.1250 INCHES NOMINAL IN
bore_diameter1.7500 INCHES NOMINAL IN
housing_width7.0000 INCHES NOMINAL IN
seal_locationBOTH ENDS
alignment_typeSELF-ALIGNING
base_thickness0.8750 INCHES NOMINAL IN
housing_height4.3750 INCHES NOMINAL IN
shaft_end_typeOPEN
collar_locationONE END
NSN3130-00-374-3357
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: RA108 · 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
•
SEAL TYPE: CONTACT
•
LUBRICATION MATERIAL: GREASE
•
LUBRICATION FITTING TYPE: HYDRAULIC
•
ASSEMBLY OVERALL LENGTH: 2.3594 INCHES NOMINAL IN
•
HOUSING HEIGHT: 4.3750 INCHES NOMINAL IN
•
MOUNTING SLOT LENGTH: 0.6875 INCHES NOMINAL IN
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
MOUNTING HOLE TYPE: SLOTTED
TECHNICAL CHARACTERISTICS
SEAL TYPECONTACT
LUBRICATION MATERIALGREASE
LUBRICATION FITTING TYPEHYDRAULIC
ASSEMBLY OVERALL LENGTH2.3594 INCHES NOMINAL IN
HOUSING HEIGHT4.3750 INCHES NOMINAL IN
MOUNTING SLOT LENGTH0.6875 INCHES NOMINAL IN
INTERNAL FIT-UP DESIGNATIONSTANDARD
MOUNTING HOLE TYPESLOTTED
ROTATING ELEMENT LOCKING METHODSETSCREW LOCKING COLLAR
SEAL LOCATIONBOTH ENDS
SUBSTITUTES & CROSS-REFERENCES 2
G9108PC12Reference document
Same NSN cross-reference
Reference document — Secondary reference
G9150PC12Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RA108?
RA108 is a BEARING,WASHER,THRUST. It is classified as a MRO (MRO_GENERAL).
What parts can replace RA108?
There are 2 known substitutes for RA108: G9108PC12, G9150PC12. Substitute compatibility should be verified for your specific system.
What is the NSN for RA108?
RA108 is cataloged in the U.S. Government catalog under NSN 3130-00-374-3357. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.