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Technical Data Sheet
PartsTable / COMPONENT / RAK1 3/16
RAK1 3/16 ✓ 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 RAK1 3/16 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3130-00-841-2554, 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
RAK1 3/16
NSN: 3130-00-841-2554
FSC: 3130
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
Part NumberRAK1 3/16
NSN3130-00-841-2554
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: RAK1 3/16 · 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
•
ROTATING ELEMENT LOCKING METHOD: SETSCREW LOCKING COLLAR
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
MOUNTING SLOT WIDTH: 0.7500 INCHES NOMINAL IN
•
MOUNTING SLOT LENGTH: 0.5625 INCHES NOMINAL IN
•
BASE LENGTH: 1.8750 INCHES NOMINAL IN
•
ASSEMBLY OVERALL LENGTH: 1.9062 INCHES NOMINAL IN
•
SEAL LOCATION: BOTH ENDS
•
LUBRICATION FITTING ANGLE FROM HORIZONTAL CENTERLINE: 90.0 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
ROTATING ELEMENT LOCKING METHODSETSCREW LOCKING COLLAR
INTERNAL FIT-UP DESIGNATIONSTANDARD
MOUNTING SLOT WIDTH0.7500 INCHES NOMINAL IN
MOUNTING SLOT LENGTH0.5625 INCHES NOMINAL IN
BASE LENGTH1.8750 INCHES NOMINAL IN
ASSEMBLY OVERALL LENGTH1.9062 INCHES NOMINAL IN
SEAL LOCATIONBOTH ENDS
LUBRICATION FITTING ANGLE FROM HORIZONTAL CENTERLINE90.0 DEGREES NOMINAL
BASE THICKNESS0.6875 INCHES NOMINAL IN
LUBRICATION FITTING TYPEPIPE PLUG
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
1 3-16LAKInterchangeable
interchangeable cross-reference
interchangeable
LAK1 3-16MILL7711Interchangeable
interchangeable cross-reference
interchangeable
GL1 3-16Interchangeable
interchangeable cross-reference
interchangeable
NPL-19TInterchangeable
interchangeable cross-reference
interchangeable
KCL-45-1 3/16Interchangeable
interchangeable cross-reference
interchangeable
CL-45-1 3/16Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RAK1 3/16?
RAK1 3/16 is a RAK1 3/16.
What parts can replace RAK1 3/16?
There are 10 known substitutes for RAK1 3/16: 1 3-16LAK, LAK1 3-16MILL7711, GL1 3-16 and 7 more. Substitute compatibility should be verified for your specific system.
Is RAK1 3/16 still available?
RAK1 3/16 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