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Technical Data Sheet
PartsTable / COMPONENT / 803BRG1012
803BRG1012 ✓ 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 MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include material: IRON CAST HOUSING, seal_type: LABYRINTH, block_type: FIXED, base_length: 2.3750 INCHES NOMINAL IN, bore_diameter: 1.9375 INCHES NOMINAL IN, housing_width: 8.1250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3130-00-227-2103, 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
803BRG1012
NSN: 3130-00-227-2103
FSC: 3130
CAGE: 29810 — SECURITY ENGINEERED MACHINERY CO., INC. (USA)
SPECIFICATIONS
materialIRON CAST HOUSING
seal_typeLABYRINTH
block_typeFIXED
base_length2.3750 INCHES NOMINAL IN
bore_diameter1.9375 INCHES NOMINAL IN
housing_width8.1250 INCHES NOMINAL IN
seal_locationBOTH ENDS
alignment_typeSELF-ALIGNING
base_thickness0.7500 INCHES NOMINAL IN
housing_height4.5625 INCHES NOMINAL IN
shaft_end_typeOPEN
style_designatorPILLOW BLOCK, SOLID
NSN3130-00-227-2103
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 803BRG1012 · 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
•
STYLE DESIGNATOR: PILLOW BLOCK, SOLID
•
MOUNTING SLOT WIDTH: 0.6875 INCHES NOMINAL IN
•
MOUNTING SLOT LENGTH: 0.8750 INCHES NOMINAL IN
•
HOUSING WIDTH: 8.1250 INCHES NOMINAL IN
•
MOUNTING HOLE TYPE: SLOTTED
•
SEAL TYPE: LABYRINTH
•
MATERIAL: IRON CAST HOUSING
•
BASE THICKNESS: 0.7500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORPILLOW BLOCK, SOLID
MOUNTING SLOT WIDTH0.6875 INCHES NOMINAL IN
MOUNTING SLOT LENGTH0.8750 INCHES NOMINAL IN
HOUSING WIDTH8.1250 INCHES NOMINAL IN
MOUNTING HOLE TYPESLOTTED
SEAL TYPELABYRINTH
MATERIALIRON CAST HOUSING
BASE THICKNESS0.7500 INCHES NOMINAL IN
BASE LENGTH2.3750 INCHES NOMINAL IN
BORE DIAMETER1.9375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
SC1-15-16Interchangeable
interchangeable cross-reference
interchangeable
19A115Interchangeable
interchangeable cross-reference
interchangeable
7495Interchangeable
interchangeable cross-reference
interchangeable
8216Interchangeable
interchangeable cross-reference
interchangeable
504153Interchangeable
interchangeable cross-reference
interchangeable
103381-01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 803BRG1012?
803BRG1012 is a MICROCIRCUIT,DIGITAL.
What parts can replace 803BRG1012?
There are 20 known substitutes for 803BRG1012: SC1-15-16, 19A115, 7495 and 17 more. Substitute compatibility should be verified for your specific system.
Is 803BRG1012 still available?
803BRG1012 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026