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R1031 — DRIVE UNIT,ANGLE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

R1031: DRIVE UNIT,ANGLE.

The DRIVE UNIT,ANGLE is a the manufacturer industrial component. Key specifications include gear_ratio: 1 TO 1, angle_in_deg: 90.0, body_material: ALUMINUM ALLOY, overall_height: 6.031 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-270-0109, 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
R1031
NSN: 3120-00-270-0109
NIINs: 002700109, 010197613
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 14541 — COOPER MACHINERY SERVICES LLC (USA)
SPECIFICATIONS
gear_ratio1 TO 1
angle_in_deg90.0
body_materialALUMINUM ALLOY
overall_height6.031 INCHES MAXIMUM IN
NSN3120-00-270-0109
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: R1031 · 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
SUBSTITUTES & CROSS-REFERENCES 3
R-3178Reference document
Same NSN cross-reference
Reference document — Secondary reference
L-R-3178Reference document
Same NSN cross-reference
Reference document — Secondary reference
96707Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 R1031?
R1031 is a DRIVE UNIT,ANGLE.
What parts can replace R1031?
There are 3 known substitutes for R1031: R-3178, L-R-3178, 96707. Substitute compatibility should be verified for your specific system.
What is the NSN for R1031?
R1031 is cataloged in the U.S. Government catalog under NSN 3120-00-270-0109. 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.