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SRP12 — BEARING UNIT,BALL

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

SRP12: BEARING UNIT,BALL.

The BEARING UNIT,BALL is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC AND STEEL SEAL, seal_type: CONTACT, block_type: FIXED, base_length: 1.2500 INCHES NOMINAL IN, bore_diameter: 0.7500 INCHES NOMINAL IN, housing_width: 4.2500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-00-322-8280, 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
SRP12
NSN: 3130-00-322-8280
NIINs: 003228280, 009396410
FSC: 3130 — Bearings, Mounted
CAGE: 71041 — ALTRA INDUSTRIAL MOTION CORP. (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC AND STEEL SEAL
seal_typeCONTACT
block_typeFIXED
base_length1.2500 INCHES NOMINAL IN
bore_diameter0.7500 INCHES NOMINAL IN
housing_width4.2500 INCHES NOMINAL IN
seal_locationBOTH ENDS
alignment_typeSELF-ALIGNING
base_thickness0.1120 INCHES NOMINAL IN
housing_height2.2031 INCHES NOMINAL IN
housing_length0.8500 INCHES NOMINAL IN
shaft_end_typeOPEN
NSN3130-00-322-8280
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: SRP12 · 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
•
LUBRICATION MATERIAL: OIL
•
LUBRICATION FITTING TYPE: WICK
•
HOUSING HEIGHT: 2.2500 INCHES NOMINAL IN
•
MOUNTING SLOT LENGTH: 0.6250 INCHES NOMINAL IN
•
MOUNTING HOLE TYPE: SLOTTED
•
STYLE DESIGNATOR: PILLOW BLOCK, OPTIONAL SPLIT
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH: 3.7500 INCHES NOMINAL IN
•
HOUSING WIDTH: 5.0000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LUBRICATION MATERIALOIL
LUBRICATION FITTING TYPEWICK
HOUSING HEIGHT2.2500 INCHES NOMINAL IN
MOUNTING SLOT LENGTH0.6250 INCHES NOMINAL IN
MOUNTING HOLE TYPESLOTTED
STYLE DESIGNATORPILLOW BLOCK, OPTIONAL SPLIT
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH3.7500 INCHES NOMINAL IN
HOUSING WIDTH5.0000 INCHES NOMINAL IN
BASE LENGTH1.2500 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SRP12?
SRP12 is a BEARING UNIT,BALL.
What is the NSN for SRP12?
SRP12 is cataloged in the U.S. Government catalog under NSN 3130-00-322-8280. 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.