PartsTable
Technical Data Sheet
PartsTable / COMPONENT / RR 1 5/8
RR 1 5/8 ✓ 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 RR 1 5/8 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3130-01-017-4311, 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
RR 1 5/8
NSN: 3130-01-017-4311
FSC: 3130
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
Part NumberRR 1 5/8
NSN3130-01-017-4311
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: RR 1 5/8 · 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: GREASE
•
SEAL LOCATION: BOTH ENDS
•
BLOCK TYPE: FIXED
•
FEATURES PROVIDED: GROUND ROLLING ELEMENT GROOVE
•
BORE DIAMETER: 1.6250 INCHES NOMINAL IN
•
LOAD CAPABILITY TYPE: RADIAL AND THRUST
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE BEARING
•
MATERIAL: STEEL COMP E52100 BEARING
TECHNICAL CHARACTERISTICS (FLIS)
LUBRICATION MATERIALGREASE
SEAL LOCATIONBOTH ENDS
BLOCK TYPEFIXED
FEATURES PROVIDEDGROUND ROLLING ELEMENT GROOVE
BORE DIAMETER1.6250 INCHES NOMINAL IN
LOAD CAPABILITY TYPERADIAL AND THRUST
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE BEARING
MATERIALSTEEL COMP E52100 BEARING
ASSEMBLY OVERALL LENGTH2.2188 INCHES NOMINAL IN
SPECIAL FEATURES4 EQUALLY SPACED MOUNTING HOLES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
530937Interchangeable
interchangeable cross-reference
interchangeable
1917247Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RR 1 5/8?
RR 1 5/8 is a RR 1 5/8.
What parts can replace RR 1 5/8?
There are 2 known substitutes for RR 1 5/8: 530937, 1917247. Substitute compatibility should be verified for your specific system.
What is the NSN for RR 1 5/8?
RR 1 5/8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3130-01-017-4311. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026