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Technical Data Sheet

RAS1 1/2 — BEARING UNIT,BALL

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

RAS1 1/2: BEARING UNIT,BALL.

The BEARING UNIT,BALL is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, block_type: FIXED, base_length: 0.40625 INCHES NOMINAL IN, bore_diameter: 2.2180 INCHES NOMINAL IN, housing_width: 7.125 INCHES NOMINAL IN, alignment_type: RIGID. This part is cataloged in the U.S.

Government catalog under NSN 3130-00-995-9017, 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
RAS1 1/2
NSN: 3130-00-995-9017
FSC: 3130 — Bearings, Mounted
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
block_typeFIXED
base_length0.40625 INCHES NOMINAL IN
bore_diameter2.2180 INCHES NOMINAL IN
housing_width7.125 INCHES NOMINAL IN
alignment_typeRIGID
base_thickness0.750 INCHES NOMINAL IN
housing_height3.9375 INCHES NOMINAL IN
shaft_end_typeOPEN
style_designatorPILLOW BLOCK, SOLID
features_providedGROUND ROLLING ELEMENT GROOVE
mounting_hole_typeROUND, UNTHREADED
NSN3130-00-995-9017
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: RAS1 1/2 · 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
•
ASSEMBLY OVERALL LENGTH: 1.9375 INCHES NOMINAL IN
•
HOUSING HEIGHT: 3.9375 INCHES NOMINAL IN
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED
•
ROTATING ELEMENT LOCKING METHOD: DIRECT
•
BLOCK TYPE: FIXED
•
STYLE DESIGNATOR: PILLOW BLOCK, SOLID
•
MOUNTING HOLE DIAMETER: 0.6250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
ASSEMBLY OVERALL LENGTH1.9375 INCHES NOMINAL IN
HOUSING HEIGHT3.9375 INCHES NOMINAL IN
INTERNAL FIT-UP DESIGNATIONSTANDARD
MOUNTING HOLE TYPEROUND, UNTHREADED
ROTATING ELEMENT LOCKING METHODDIRECT
BLOCK TYPEFIXED
STYLE DESIGNATORPILLOW BLOCK, SOLID
MOUNTING HOLE DIAMETER0.6250 INCHES NOMINAL IN
FEATURES PROVIDEDGROUND ROLLING ELEMENT GROOVE
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH5.375 INCHES NOMINAL IN
OTHER ITEMS IN FSC 3130 — Bearings, Mounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3130-00-001-5118 3130-00-001-5137 3130-00-001-6585 3130-00-003-0422 3130-00-003-0455 3130-00-003-0794 3130-00-003-2802 3130-00-003-9535
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RAS1 1/2?
RAS1 1/2 is a BEARING UNIT,BALL.
What is the NSN for RAS1 1/2?
RAS1 1/2 is cataloged in the U.S. Government catalog under NSN 3130-00-995-9017. This indicates validated use in U.S. government and defense supply chains.
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